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Merge tag 'v3.8.13.27' of git://kernel.ubuntu.com/ubuntu/linux into odroid-3.8.y

Browse Source 
v3.8.13.27
This commit is contained in:
Mauro Ribeiro
2014-08-19 22:10:44 -03:00
parent 2cd9337073 e89a31cec8
commit 414f3757fe
115 changed files with 1186 additions and 437 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile
View File

@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 8
SUBLEVEL = 13
EXTRAVERSION = .26
EXTRAVERSION = .27
NAME = Remoralised Urchins Update
# *DOCUMENTATION*

18
arch/arm/kernel/stacktrace.c
View File

@@ -83,13 +83,16 @@ static int save_trace(struct stackframe *frame, void *d)
return trace->nr_entries >= trace->max_entries;
}
void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
/* This must be noinline to so that our skip calculation works correctly */
static noinline void __save_stack_trace(struct task_struct *tsk,
struct stack_trace *trace, unsigned int nosched)
{
struct stack_trace_data data;
struct stackframe frame;
data.trace = trace;
data.skip = trace->skip;
data.no_sched_functions = nosched;
if (tsk != current) {
#ifdef CONFIG_SMP
@@ -102,7 +105,6 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
trace->entries[trace->nr_entries++] = ULONG_MAX;
return;
#else
data.no_sched_functions = 1;
frame.fp = thread_saved_fp(tsk);
frame.sp = thread_saved_sp(tsk);
frame.lr = 0; /* recovered from the stack */
@@ -111,11 +113,12 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
} else {
register unsigned long current_sp asm ("sp");
data.no_sched_functions = 0;
/* We don't want this function nor the caller */
data.skip += 2;
frame.fp = (unsigned long)__builtin_frame_address(0);
frame.sp = current_sp;
frame.lr = (unsigned long)__builtin_return_address(0);
frame.pc = (unsigned long)save_stack_trace_tsk;
frame.pc = (unsigned long)__save_stack_trace;
}
walk_stackframe(&frame, save_trace, &data);
@@ -123,9 +126,14 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
trace->entries[trace->nr_entries++] = ULONG_MAX;
}
void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
__save_stack_trace(tsk, trace, 1);
}
void save_stack_trace(struct stack_trace *trace)
{
save_stack_trace_tsk(current, trace);
__save_stack_trace(current, trace, 0);
}
EXPORT_SYMBOL_GPL(save_stack_trace);
#endif

1
arch/arm64/include/asm/Kbuild
View File

@@ -27,7 +27,6 @@ generic-y += mutex.h
generic-y += pci.h
generic-y += percpu.h
generic-y += poll.h
generic-y += posix_types.h
generic-y += resource.h
generic-y += scatterlist.h
generic-y += sections.h

2
arch/arm64/include/asm/dma-mapping.h
View File

@@ -23,8 +23,6 @@
#include <asm-generic/dma-coherent.h>
#define ARCH_HAS_DMA_GET_REQUIRED_MASK
extern struct dma_map_ops *dma_ops;
static inline struct dma_map_ops *get_dma_ops(struct device *dev)

10
arch/arm64/include/uapi/asm/posix_types.h Normal file
View File

@@ -0,0 +1,10 @@
#ifndef __ASM_POSIX_TYPES_H
#define __ASM_POSIX_TYPES_H
typedef unsigned short __kernel_old_uid_t;
typedef unsigned short __kernel_old_gid_t;
#define __kernel_old_uid_t __kernel_old_uid_t
#include <asm-generic/posix_types.h>
#endif /* __ASM_POSIX_TYPES_H */

1
arch/arm64/kernel/entry.S
View File

@@ -274,7 +274,6 @@ el1_sp_pc:
* Stack or PC alignment exception handling
*/
mrs x0, far_el1
mov x1, x25
mov x2, sp
b do_sp_pc_abort
el1_undef:

4
arch/arm64/kernel/ptrace.c
View File

@@ -872,6 +872,7 @@ static int compat_ptrace_write_user(struct task_struct *tsk, compat_ulong_t off,
compat_ulong_t val)
{
int ret;
mm_segment_t old_fs = get_fs();
if (off & 3 || off >= COMPAT_USER_SZ)
return -EIO;
@@ -879,10 +880,13 @@ static int compat_ptrace_write_user(struct task_struct *tsk, compat_ulong_t off,
if (off >= sizeof(compat_elf_gregset_t))
return 0;
set_fs(KERNEL_DS);
ret = copy_regset_from_user(tsk, &user_aarch32_view,
REGSET_COMPAT_GPR, off,
sizeof(compat_ulong_t),
&val);
set_fs(old_fs);
return ret;
}

2
arch/mips/kernel/irq-msc01.c
View File

@@ -131,7 +131,7 @@ void __init init_msc_irqs(unsigned long icubase, unsigned int irqbase, msc_irqma
board_bind_eic_interrupt = &msc_bind_eic_interrupt;
for (; nirq >= 0; nirq--, imp++) {
for (; nirq > 0; nirq--, imp++) {
int n = imp->im_irq;
switch (imp->im_type) {

1
arch/mips/lantiq/dts/easy50712.dts
View File

@@ -8,6 +8,7 @@
};
memory@0 {
device_type = "memory";
reg = <0x0 0x2000000>;
};

2
arch/powerpc/include/asm/systbl.h
View File

@@ -189,7 +189,7 @@ SYSCALL_SPU(getcwd)
SYSCALL_SPU(capget)
SYSCALL_SPU(capset)
COMPAT_SYS(sigaltstack)
SYSX_SPU(sys_sendfile,compat_sys_sendfile_wrapper,sys_sendfile)
SYSX_SPU(sys_sendfile64,compat_sys_sendfile,sys_sendfile)
SYSCALL(ni_syscall)
SYSCALL(ni_syscall)
PPC_SYS(vfork)

15
arch/powerpc/kernel/legacy_serial.c
View File

@@ -48,6 +48,9 @@ static struct __initdata of_device_id legacy_serial_parents[] = {
static unsigned int legacy_serial_count;
static int legacy_serial_console = -1;
static const upf_t legacy_port_flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_SHARE_IRQ | UPF_FIXED_PORT;
static unsigned int tsi_serial_in(struct uart_port *p, int offset)
{
unsigned int tmp;
@@ -153,8 +156,6 @@ static int __init add_legacy_soc_port(struct device_node *np,
{
u64 addr;
const u32 *addrp;
upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ
| UPF_FIXED_PORT;
struct device_node *tsi = of_get_parent(np);
/* We only support ports that have a clock frequency properly
@@ -185,9 +186,11 @@ static int __init add_legacy_soc_port(struct device_node *np,
* IO port value. It will be fixed up later along with the irq
*/
if (tsi && !strcmp(tsi->type, "tsi-bridge"))
return add_legacy_port(np, -1, UPIO_TSI, addr, addr, NO_IRQ, flags, 0);
return add_legacy_port(np, -1, UPIO_TSI, addr, addr,
NO_IRQ, legacy_port_flags, 0);
else
return add_legacy_port(np, -1, UPIO_MEM, addr, addr, NO_IRQ, flags, 0);
return add_legacy_port(np, -1, UPIO_MEM, addr, addr,
NO_IRQ, legacy_port_flags, 0);
}
static int __init add_legacy_isa_port(struct device_node *np,
@@ -228,7 +231,7 @@ static int __init add_legacy_isa_port(struct device_node *np,
/* Add port, irq will be dealt with later */
return add_legacy_port(np, index, UPIO_PORT, be32_to_cpu(reg[1]), taddr,
NO_IRQ, UPF_BOOT_AUTOCONF, 0);
NO_IRQ, legacy_port_flags, 0);
}
@@ -301,7 +304,7 @@ static int __init add_legacy_pci_port(struct device_node *np,
* IO port value. It will be fixed up later along with the irq
*/
return add_legacy_port(np, index, iotype, base, addr, NO_IRQ,
UPF_BOOT_AUTOCONF, np != pci_dev);
legacy_port_flags, np != pci_dev);
}
#endif

10
arch/powerpc/kernel/setup-common.c
View File

@@ -455,9 +455,17 @@ void __init smp_setup_cpu_maps(void)
}
for (j = 0; j < nthreads && cpu < nr_cpu_ids; j++) {
bool avail;
DBG(" thread %d -> cpu %d (hard id %d)\n",
j, cpu, intserv[j]);
set_cpu_present(cpu, true);
avail = of_device_is_available(dn);
if (!avail)
avail = !of_property_match_string(dn,
"enable-method", "spin-table");
set_cpu_present(cpu, avail);
set_hard_smp_processor_id(cpu, intserv[j]);
set_cpu_possible(cpu, true);
cpu++;

1
arch/powerpc/platforms/pseries/eeh_pseries.c
View File

@@ -400,6 +400,7 @@ static int pseries_eeh_get_state(struct eeh_pe *pe, int *state)
} else {
result = EEH_STATE_NOT_SUPPORT;
}
break;
default:
result = EEH_STATE_NOT_SUPPORT;
}

11
arch/s390/include/asm/lowcore.h
View File

@@ -142,9 +142,9 @@ struct _lowcore {
__u8 pad_0x02fc[0x0300-0x02fc]; /* 0x02fc */
/* Interrupt response block */
__u8 irb[64]; /* 0x0300 */
__u8 irb[96]; /* 0x0300 */
__u8 pad_0x0340[0x0e00-0x0340]; /* 0x0340 */
__u8 pad_0x0360[0x0e00-0x0360]; /* 0x0360 */
/*
* 0xe00 contains the address of the IPL Parameter Information
@@ -288,12 +288,13 @@ struct _lowcore {
__u8 pad_0x03a0[0x0400-0x03a0]; /* 0x03a0 */
/* Interrupt response block. */
__u8 irb[64]; /* 0x0400 */
__u8 irb[96]; /* 0x0400 */
__u8 pad_0x0460[0x0480-0x0460]; /* 0x0460 */
/* Per cpu primary space access list */
__u32 paste[16]; /* 0x0440 */
__u32 paste[16]; /* 0x0480 */
__u8 pad_0x0480[0x0e00-0x0480]; /* 0x0480 */
__u8 pad_0x04c0[0x0e00-0x04c0]; /* 0x04c0 */
/*
* 0xe00 contains the address of the IPL Parameter Information

5
arch/x86/kernel/entry_32.S
View File

@@ -554,11 +554,6 @@ ENTRY(iret_exc)
CFI_RESTORE_STATE
ldt_ss:
larl PT_OLDSS(%esp), %eax
jnz restore_nocheck
testl $0x00400000, %eax # returning to 32bit stack?
jnz restore_nocheck # allright, normal return
#ifdef CONFIG_PARAVIRT
/*
* The kernel can't run on a non-flat stack if paravirt mode

6
arch/x86/syscalls/syscall_64.tbl
View File

@@ -212,10 +212,10 @@
203 common sched_setaffinity sys_sched_setaffinity
204 common sched_getaffinity sys_sched_getaffinity
205 64 set_thread_area
206 common io_setup sys_io_setup
206 64 io_setup sys_io_setup
207 common io_destroy sys_io_destroy
208 common io_getevents sys_io_getevents
209 common io_submit sys_io_submit
209 64 io_submit sys_io_submit
210 common io_cancel sys_io_cancel
211 64 get_thread_area
212 common lookup_dcookie sys_lookup_dcookie
@@ -356,3 +356,5 @@
540 x32 process_vm_writev compat_sys_process_vm_writev
541 x32 setsockopt compat_sys_setsockopt
542 x32 getsockopt compat_sys_getsockopt
543 x32 io_setup compat_sys_io_setup
544 x32 io_submit compat_sys_io_submit

7
drivers/acpi/bus.c
View File

@@ -57,6 +57,12 @@ EXPORT_SYMBOL(acpi_root_dir);
#ifdef CONFIG_X86
#ifdef CONFIG_ACPI_CUSTOM_DSDT
static inline int set_copy_dsdt(const struct dmi_system_id *id)
{
return 0;
}
#else
static int set_copy_dsdt(const struct dmi_system_id *id)
{
printk(KERN_NOTICE "%s detected - "
@@ -64,6 +70,7 @@ static int set_copy_dsdt(const struct dmi_system_id *id)
acpi_gbl_copy_dsdt_locally = 1;
return 0;
}
#endif
static struct dmi_system_id dsdt_dmi_table[] __initdata = {
/*

8
drivers/acpi/video_detect.c
View File

@@ -172,6 +172,14 @@ static struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
},
},
{
.callback = video_detect_force_vendor,
.ident = "Dell Inspiron 5737",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5737"),
},
},
{ },
};

4
drivers/ata/ahci.c
View File

@@ -440,10 +440,14 @@ static const struct pci_device_id ahci_pci_tbl[] = {
.driver_data = board_ahci_yes_fbs }, /* 88se9172 */
{ PCI_DEVICE(0x1b4b, 0x9192),
.driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
{ PCI_DEVICE(0x1b4b, 0x91a0),
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(0x1b4b, 0x91a3),
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(0x1b4b, 0x9230),
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642),
.driver_data = board_ahci_yes_fbs },
/* Promise */
{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */

4
drivers/base/power/opp.c
View File

@@ -730,11 +730,9 @@ int of_init_opp_table(struct device *dev)
unsigned long freq = be32_to_cpup(val++) * 1000;
unsigned long volt = be32_to_cpup(val++);
if (opp_add(dev, freq, volt)) {
if (opp_add(dev, freq, volt))
dev_warn(dev, "%s: Failed to add OPP %ld\n",
__func__, freq);
continue;
}
nr -= 2;
}

124
drivers/block/mtip32xx/mtip32xx.c
View File

@@ -1419,6 +1419,37 @@ static inline void ata_swap_string(u16 *buf, unsigned int len)
be16_to_cpus(&buf[i]);
}
static void mtip_set_timeout(struct driver_data *dd,
struct host_to_dev_fis *fis,
unsigned int *timeout, u8 erasemode)
{
switch (fis->command) {
case ATA_CMD_DOWNLOAD_MICRO:
*timeout = 120000; /* 2 minutes */
break;
case ATA_CMD_SEC_ERASE_UNIT:
case 0xFC:
if (erasemode)
*timeout = ((*(dd->port->identify + 90) * 2) * 60000);
else
*timeout = ((*(dd->port->identify + 89) * 2) * 60000);
break;
case ATA_CMD_STANDBYNOW1:
*timeout = 120000; /* 2 minutes */
break;
case 0xF7:
case 0xFA:
*timeout = 60000; /* 60 seconds */
break;
case ATA_CMD_SMART:
*timeout = 15000; /* 15 seconds */
break;
default:
*timeout = MTIP_IOCTL_COMMAND_TIMEOUT_MS;
break;
}
}
/*
* Request the device identity information.
*
@@ -1520,6 +1551,7 @@ static int mtip_standby_immediate(struct mtip_port *port)
int rv;
struct host_to_dev_fis fis;
unsigned long start;
unsigned int timeout;
/* Build the FIS. */
memset(&fis, 0, sizeof(struct host_to_dev_fis));
@@ -1527,6 +1559,8 @@ static int mtip_standby_immediate(struct mtip_port *port)
fis.opts = 1 << 7;
fis.command = ATA_CMD_STANDBYNOW1;
mtip_set_timeout(port->dd, &fis, &timeout, 0);
start = jiffies;
rv = mtip_exec_internal_command(port,
&fis,
@@ -1535,7 +1569,7 @@ static int mtip_standby_immediate(struct mtip_port *port)
0,
0,
GFP_ATOMIC,
15000);
timeout);
dbg_printk(MTIP_DRV_NAME "Time taken to complete standby cmd: %d ms\n",
jiffies_to_msecs(jiffies - start));
if (rv)
@@ -2037,36 +2071,6 @@ static unsigned int implicit_sector(unsigned char command,
}
return rv;
}
static void mtip_set_timeout(struct driver_data *dd,
struct host_to_dev_fis *fis,
unsigned int *timeout, u8 erasemode)
{
switch (fis->command) {
case ATA_CMD_DOWNLOAD_MICRO:
*timeout = 120000; /* 2 minutes */
break;
case ATA_CMD_SEC_ERASE_UNIT:
case 0xFC:
if (erasemode)
*timeout = ((*(dd->port->identify + 90) * 2) * 60000);
else
*timeout = ((*(dd->port->identify + 89) * 2) * 60000);
break;
case ATA_CMD_STANDBYNOW1:
*timeout = 120000; /* 2 minutes */
break;
case 0xF7:
case 0xFA:
*timeout = 60000; /* 60 seconds */
break;
case ATA_CMD_SMART:
*timeout = 15000; /* 15 seconds */
break;
default:
*timeout = MTIP_IOCTL_COMMAND_TIMEOUT_MS;
break;
}
}
/*
* Executes a taskfile
@@ -3964,6 +3968,57 @@ static int mtip_block_resume(struct driver_data *dd)
return 0;
}
static void mtip_disable_link_opts(struct driver_data *dd, struct pci_dev *pdev)
{
int pos;
unsigned short pcie_dev_ctrl;
pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
if (pos) {
pci_read_config_word(pdev,
pos + PCI_EXP_DEVCTL,
&pcie_dev_ctrl);
if (pcie_dev_ctrl & (1 << 11) ||
pcie_dev_ctrl & (1 << 4)) {
dev_info(&dd->pdev->dev,
"Disabling ERO/No-Snoop on bridge device %04x:%04x\n",
pdev->vendor, pdev->device);
pcie_dev_ctrl &= ~(PCI_EXP_DEVCTL_NOSNOOP_EN |
PCI_EXP_DEVCTL_RELAX_EN);
pci_write_config_word(pdev,
pos + PCI_EXP_DEVCTL,
pcie_dev_ctrl);
}
}
}
static void mtip_fix_ero_nosnoop(struct driver_data *dd, struct pci_dev *pdev)
{
/*
* This workaround is specific to AMD/ATI chipset with a PCI upstream
* device with device id 0x5aXX
*/
if (pdev->bus && pdev->bus->self) {
if (pdev->bus->self->vendor == PCI_VENDOR_ID_ATI &&
((pdev->bus->self->device & 0xff00) == 0x5a00)) {
mtip_disable_link_opts(dd, pdev->bus->self);
} else {
/* Check further up the topology */
struct pci_dev *parent_dev = pdev->bus->self;
if (parent_dev->bus &&
parent_dev->bus->parent &&
parent_dev->bus->parent->self &&
parent_dev->bus->parent->self->vendor ==
PCI_VENDOR_ID_ATI &&
(parent_dev->bus->parent->self->device &
0xff00) == 0x5a00) {
mtip_disable_link_opts(dd,
parent_dev->bus->parent->self);
}
}
}
}
/*
* Called for each supported PCI device detected.
*
@@ -4025,11 +4080,14 @@ static int mtip_pci_probe(struct pci_dev *pdev,
goto block_initialize_err;
}
/* Copy the info we may need later into the private data structure. */
dd->major = mtip_major;
dd->instance = instance;
dd->pdev = pdev;
mtip_fix_ero_nosnoop(dd, pdev);
/* Initialize the block layer. */
rv = mtip_block_initialize(dd);
if (rv < 0) {
@@ -4278,13 +4336,13 @@ static int __init mtip_init(void)
*/
static void __exit mtip_exit(void)
{
debugfs_remove_recursive(dfs_parent);
/* Release the allocated major block device number. */
unregister_blkdev(mtip_major, MTIP_DRV_NAME);
/* Unregister the PCI driver. */
pci_unregister_driver(&mtip_pci_driver);
debugfs_remove_recursive(dfs_parent);
}
MODULE_AUTHOR("Micron Technology, Inc");

24
drivers/bluetooth/hci_ldisc.c
View File

@@ -118,10 +118,6 @@ static inline struct sk_buff *hci_uart_dequeue(struct hci_uart *hu)
int hci_uart_tx_wakeup(struct hci_uart *hu)
{
struct tty_struct *tty = hu->tty;
struct hci_dev *hdev = hu->hdev;
struct sk_buff *skb;
if (test_and_set_bit(HCI_UART_SENDING, &hu->tx_state)) {
set_bit(HCI_UART_TX_WAKEUP, &hu->tx_state);
return 0;
@@ -129,6 +125,22 @@ int hci_uart_tx_wakeup(struct hci_uart *hu)
BT_DBG("");
schedule_work(&hu->write_work);
return 0;
}
static void hci_uart_write_work(struct work_struct *work)
{
struct hci_uart *hu = container_of(work, struct hci_uart, write_work);
struct tty_struct *tty = hu->tty;
struct hci_dev *hdev = hu->hdev;
struct sk_buff *skb;
/* REVISIT: should we cope with bad skbs or ->write() returning
* and error value ?
*/
restart:
clear_bit(HCI_UART_TX_WAKEUP, &hu->tx_state);
@@ -153,7 +165,6 @@ restart:
goto restart;
clear_bit(HCI_UART_SENDING, &hu->tx_state);
return 0;
}
static void hci_uart_init_work(struct work_struct *work)
@@ -289,6 +300,7 @@ static int hci_uart_tty_open(struct tty_struct *tty)
tty->receive_room = 65536;
INIT_WORK(&hu->init_ready, hci_uart_init_work);
INIT_WORK(&hu->write_work, hci_uart_write_work);
spin_lock_init(&hu->rx_lock);
@@ -326,6 +338,8 @@ static void hci_uart_tty_close(struct tty_struct *tty)
if (hdev)
hci_uart_close(hdev);
cancel_work_sync(&hu->write_work);
if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
if (hdev) {
if (test_bit(HCI_UART_REGISTERED, &hu->flags))

1
drivers/bluetooth/hci_uart.h
View File

@@ -68,6 +68,7 @@ struct hci_uart {
unsigned long hdev_flags;
struct work_struct init_ready;
struct work_struct write_work;
struct hci_uart_proto *proto;
void *priv;

48
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@@ -839,14 +839,16 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc,
args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC;
switch (bpc) {
case 8:
default:
args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
break;
case 10:
args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
break;
if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
switch (bpc) {
case 8:
default:
args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
break;
case 10:
args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
break;
}
}
args.v5.ucTransmitterID = encoder_id;
args.v5.ucEncoderMode = encoder_mode;
@@ -861,20 +863,22 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc,
args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC;
switch (bpc) {
case 8:
default:
args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
break;
case 10:
args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
break;
case 12:
args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
break;
case 16:
args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
break;
if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
switch (bpc) {
case 8:
default:
args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
break;
case 10:
args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
break;
case 12:
args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
break;
case 16:
args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
break;
}
}
args.v6.ucTransmitterID = encoder_id;
args.v6.ucEncoderMode = encoder_mode;

17
drivers/gpu/drm/radeon/atombios_dp.c
View File

@@ -384,6 +384,19 @@ static int dp_get_max_dp_pix_clock(int link_rate,
/***** radeon specific DP functions *****/
static int radeon_dp_get_max_link_rate(struct drm_connector *connector,
u8 dpcd[DP_DPCD_SIZE])
{
int max_link_rate;
if (radeon_connector_is_dp12_capable(connector))
max_link_rate = min(drm_dp_max_link_rate(dpcd), 540000);
else
max_link_rate = min(drm_dp_max_link_rate(dpcd), 270000);
return max_link_rate;
}
/* First get the min lane# when low rate is used according to pixel clock
* (prefer low rate), second check max lane# supported by DP panel,
* if the max lane# < low rate lane# then use max lane# instead.
@@ -393,7 +406,7 @@ static int radeon_dp_get_dp_lane_number(struct drm_connector *connector,
int pix_clock)
{
int bpp = convert_bpc_to_bpp(radeon_get_monitor_bpc(connector));
int max_link_rate = drm_dp_max_link_rate(dpcd);
int max_link_rate = radeon_dp_get_max_link_rate(connector, dpcd);
int max_lane_num = drm_dp_max_lane_count(dpcd);
int lane_num;
int max_dp_pix_clock;
@@ -431,7 +444,7 @@ static int radeon_dp_get_dp_link_clock(struct drm_connector *connector,
return 540000;
}
return drm_dp_max_link_rate(dpcd);
return radeon_dp_get_max_link_rate(connector, dpcd);
}
static u8 radeon_dp_encoder_service(struct radeon_device *rdev,

5
drivers/gpu/drm/radeon/atombios_encoders.c
View File

@@ -1877,8 +1877,11 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder)
args.v2.ucEncodeMode = ATOM_ENCODER_MODE_CRT;
else
args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder);
} else
} else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
} else {
args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder);
}
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:

2
drivers/gpu/drm/radeon/radeon_connectors.c
View File

@@ -1345,7 +1345,7 @@ bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
struct radeon_device *rdev = dev->dev_private;
if (ASIC_IS_DCE5(rdev) &&
(rdev->clock.dp_extclk >= 53900) &&
(rdev->clock.default_dispclk >= 53900) &&
radeon_connector_encoder_is_hbr2(connector)) {
return true;
}

12
drivers/hid/hid-core.c
View File

@@ -797,7 +797,17 @@ struct hid_report *hid_validate_values(struct hid_device *hid,
* ->numbered being checked, which may not always be the case when
* drivers go to access report values.
*/
report = hid->report_enum[type].report_id_hash[id];
if (id == 0) {
/*
* Validating on id 0 means we should examine the first
* report in the list.
*/
report = list_entry(
hid->report_enum[type].report_list.next,
struct hid_report, list);
} else {
report = hid->report_enum[type].report_id_hash[id];
}
if (!report) {
hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
return NULL;

16
drivers/iio/adc/at91_adc.c
View File

@@ -157,12 +157,11 @@ static int at91_adc_channel_init(struct iio_dev *idev)
return idev->num_channels;
}
static u8 at91_adc_get_trigger_value_by_name(struct iio_dev *idev,
static int at91_adc_get_trigger_value_by_name(struct iio_dev *idev,
struct at91_adc_trigger *triggers,
const char *trigger_name)
{
struct at91_adc_state *st = iio_priv(idev);
u8 value = 0;
int i;
for (i = 0; i < st->trigger_number; i++) {
@@ -175,15 +174,16 @@ static u8 at91_adc_get_trigger_value_by_name(struct iio_dev *idev,
return -ENOMEM;
if (strcmp(trigger_name, name) == 0) {
value = triggers[i].value;
kfree(name);
break;
if (triggers[i].value == 0)
return -EINVAL;
return triggers[i].value;
}
kfree(name);
}
return value;
return -EINVAL;
}
static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state)
@@ -193,14 +193,14 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state)
struct iio_buffer *buffer = idev->buffer;
struct at91_adc_reg_desc *reg = st->registers;
u32 status = at91_adc_readl(st, reg->trigger_register);
u8 value;
int value;
u8 bit;
value = at91_adc_get_trigger_value_by_name(idev,
st->trigger_list,
idev->trig->name);
if (value == 0)
return -EINVAL;
if (value < 0)
return value;
if (state) {
st->buffer = kmalloc(idev->scan_bytes, GFP_KERNEL);

16
drivers/iio/adc/max1363.c
View File

@@ -1211,8 +1211,8 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = {
.num_modes = ARRAY_SIZE(max1238_mode_list),
.default_mode = s0to11,
.info = &max1238_info,
.channels = max1238_channels,
.num_channels = ARRAY_SIZE(max1238_channels),
.channels = max1038_channels,
.num_channels = ARRAY_SIZE(max1038_channels),
},
[max11605] = {
.bits = 8,
@@ -1221,8 +1221,8 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = {
.num_modes = ARRAY_SIZE(max1238_mode_list),
.default_mode = s0to11,
.info = &max1238_info,
.channels = max1238_channels,
.num_channels = ARRAY_SIZE(max1238_channels),
.channels = max1038_channels,
.num_channels = ARRAY_SIZE(max1038_channels),
},
[max11606] = {
.bits = 10,
@@ -1271,8 +1271,8 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = {
.num_modes = ARRAY_SIZE(max1238_mode_list),
.default_mode = s0to11,
.info = &max1238_info,
.channels = max1238_channels,
.num_channels = ARRAY_SIZE(max1238_channels),
.channels = max1138_channels,
.num_channels = ARRAY_SIZE(max1138_channels),
},
[max11611] = {
.bits = 10,
@@ -1281,8 +1281,8 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = {
.num_modes = ARRAY_SIZE(max1238_mode_list),
.default_mode = s0to11,
.info = &max1238_info,
.channels = max1238_channels,
.num_channels = ARRAY_SIZE(max1238_channels),
.channels = max1138_channels,
.num_channels = ARRAY_SIZE(max1138_channels),
},
[max11612] = {
.bits = 12,

75
drivers/infiniband/core/user_mad.c
View File

@@ -98,7 +98,7 @@ struct ib_umad_port {
struct ib_umad_device {
int start_port, end_port;
struct kref ref;
struct kobject kobj;
struct ib_umad_port port[0];
};
@@ -134,14 +134,18 @@ static DECLARE_BITMAP(dev_map, IB_UMAD_MAX_PORTS);
static void ib_umad_add_one(struct ib_device *device);
static void ib_umad_remove_one(struct ib_device *device);
static void ib_umad_release_dev(struct kref *ref)
static void ib_umad_release_dev(struct kobject *kobj)
{
struct ib_umad_device *dev =
container_of(ref, struct ib_umad_device, ref);
container_of(kobj, struct ib_umad_device, kobj);
kfree(dev);
}
static struct kobj_type ib_umad_dev_ktype = {
.release = ib_umad_release_dev,
};
static int hdr_size(struct ib_umad_file *file)
{
return file->use_pkey_index ? sizeof (struct ib_user_mad_hdr) :
@@ -780,27 +784,19 @@ static int ib_umad_open(struct inode *inode, struct file *filp)
{
struct ib_umad_port *port;
struct ib_umad_file *file;
int ret;
int ret = -ENXIO;
port = container_of(inode->i_cdev, struct ib_umad_port, cdev);
if (port)
kref_get(&port->umad_dev->ref);
else
return -ENXIO;
mutex_lock(&port->file_mutex);
if (!port->ib_dev) {
ret = -ENXIO;
if (!port->ib_dev)
goto out;
}
ret = -ENOMEM;
file = kzalloc(sizeof *file, GFP_KERNEL);
if (!file) {
kref_put(&port->umad_dev->ref, ib_umad_release_dev);
ret = -ENOMEM;
if (!file)
goto out;
}
mutex_init(&file->mutex);
spin_lock_init(&file->send_lock);
@@ -814,6 +810,13 @@ static int ib_umad_open(struct inode *inode, struct file *filp)
list_add_tail(&file->port_list, &port->file_list);
ret = nonseekable_open(inode, filp);
if (ret) {
list_del(&file->port_list);
kfree(file);
goto out;
}
kobject_get(&port->umad_dev->kobj);
out:
mutex_unlock(&port->file_mutex);
@@ -852,7 +855,7 @@ static int ib_umad_close(struct inode *inode, struct file *filp)
mutex_unlock(&file->port->file_mutex);
kfree(file);
kref_put(&dev->ref, ib_umad_release_dev);
kobject_put(&dev->kobj);
return 0;
}
@@ -880,10 +883,6 @@ static int ib_umad_sm_open(struct inode *inode, struct file *filp)
int ret;
port = container_of(inode->i_cdev, struct ib_umad_port, sm_cdev);
if (port)
kref_get(&port->umad_dev->ref);
else
return -ENXIO;
if (filp->f_flags & O_NONBLOCK) {
if (down_trylock(&port->sm_sem)) {
@@ -898,17 +897,27 @@ static int ib_umad_sm_open(struct inode *inode, struct file *filp)
}
ret = ib_modify_port(port->ib_dev, port->port_num, 0, &props);
if (ret) {
up(&port->sm_sem);
goto fail;
}
if (ret)
goto err_up_sem;
filp->private_data = port;
return nonseekable_open(inode, filp);
ret = nonseekable_open(inode, filp);
if (ret)
goto err_clr_sm_cap;
kobject_get(&port->umad_dev->kobj);
return 0;
err_clr_sm_cap:
swap(props.set_port_cap_mask, props.clr_port_cap_mask);
ib_modify_port(port->ib_dev, port->port_num, 0, &props);
err_up_sem:
up(&port->sm_sem);
fail:
kref_put(&port->umad_dev->ref, ib_umad_release_dev);
return ret;
}
@@ -927,7 +936,7 @@ static int ib_umad_sm_close(struct inode *inode, struct file *filp)
up(&port->sm_sem);
kref_put(&port->umad_dev->ref, ib_umad_release_dev);
kobject_put(&port->umad_dev->kobj);
return ret;
}
@@ -995,6 +1004,7 @@ static int find_overflow_devnum(void)
}
static int ib_umad_init_port(struct ib_device *device, int port_num,
struct ib_umad_device *umad_dev,
struct ib_umad_port *port)
{
int devnum;
@@ -1027,6 +1037,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num,
cdev_init(&port->cdev, &umad_fops);
port->cdev.owner = THIS_MODULE;
port->cdev.kobj.parent = &umad_dev->kobj;
kobject_set_name(&port->cdev.kobj, "umad%d", port->dev_num);
if (cdev_add(&port->cdev, base, 1))
goto err_cdev;
@@ -1045,6 +1056,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num,
base += IB_UMAD_MAX_PORTS;
cdev_init(&port->sm_cdev, &umad_sm_fops);
port->sm_cdev.owner = THIS_MODULE;
port->sm_cdev.kobj.parent = &umad_dev->kobj;
kobject_set_name(&port->sm_cdev.kobj, "issm%d", port->dev_num);
if (cdev_add(&port->sm_cdev, base, 1))
goto err_sm_cdev;
@@ -1138,7 +1150,7 @@ static void ib_umad_add_one(struct ib_device *device)
if (!umad_dev)
return;
kref_init(&umad_dev->ref);
kobject_init(&umad_dev->kobj, &ib_umad_dev_ktype);
umad_dev->start_port = s;
umad_dev->end_port = e;
@@ -1146,7 +1158,8 @@ static void ib_umad_add_one(struct ib_device *device)
for (i = s; i <= e; ++i) {
umad_dev->port[i - s].umad_dev = umad_dev;
if (ib_umad_init_port(device, i, &umad_dev->port[i - s]))
if (ib_umad_init_port(device, i, umad_dev,
&umad_dev->port[i - s]))
goto err;
}
@@ -1158,7 +1171,7 @@ err:
while (--i >= s)
ib_umad_kill_port(&umad_dev->port[i - s]);
kref_put(&umad_dev->ref, ib_umad_release_dev);
kobject_put(&umad_dev->kobj);
}
static void ib_umad_remove_one(struct ib_device *device)
@@ -1172,7 +1185,7 @@ static void ib_umad_remove_one(struct ib_device *device)
for (i = 0; i <= umad_dev->end_port - umad_dev->start_port; ++i)
ib_umad_kill_port(&umad_dev->port[i]);
kref_put(&umad_dev->ref, ib_umad_release_dev);
kobject_put(&umad_dev->kobj);
}
static char *umad_devnode(struct device *dev, umode_t *mode)

3
drivers/infiniband/hw/cxgb4/cq.c
View File

@@ -843,7 +843,8 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries,
uresp.gts_key = ucontext->key;
ucontext->key += PAGE_SIZE;
spin_unlock(&ucontext->mmap_lock);
ret = ib_copy_to_udata(udata, &uresp, sizeof uresp);
ret = ib_copy_to_udata(udata, &uresp,
sizeof(uresp) - sizeof(uresp.reserved));
if (ret)
goto err5;

1
drivers/infiniband/hw/cxgb4/user.h
View File

@@ -48,6 +48,7 @@ struct c4iw_create_cq_resp {
__u32 cqid;
__u32 size;
__u32 qid_mask;
__u32 reserved; /* explicit padding (optional for i386) */
};

4
drivers/infiniband/hw/ipath/ipath_diag.c
View File

@@ -346,6 +346,10 @@ static ssize_t ipath_diagpkt_write(struct file *fp,
ret = -EFAULT;
goto bail;
}
dp.len = odp.len;
dp.unit = odp.unit;
dp.data = odp.data;
dp.pbc_wd = 0;
} else {
ret = -EINVAL;
goto bail;

2
drivers/infiniband/hw/qib/qib_mad.c
View File

@@ -1028,7 +1028,7 @@ static int set_pkeys(struct qib_devdata *dd, u8 port, u16 *pkeys)
event.event = IB_EVENT_PKEY_CHANGE;
event.device = &dd->verbs_dev.ibdev;
event.element.port_num = 1;
event.element.port_num = port;
ib_dispatch_event(&event);
}
return 0;

6
drivers/infiniband/ulp/srp/ib_srp.c
View File

@@ -1410,6 +1410,12 @@ err_unmap:
err_iu:
srp_put_tx_iu(target, iu, SRP_IU_CMD);
/*
* Avoid that the loops that iterate over the request ring can
* encounter a dangling SCSI command pointer.
*/
req->scmnd = NULL;
spin_lock_irqsave(&target->lock, flags);
list_add(&req->list, &target->free_reqs);

26
drivers/input/mouse/elantech.c
View File

@@ -473,8 +473,15 @@ static void elantech_report_absolute_v3(struct psmouse *psmouse,
input_report_key(dev, BTN_TOOL_FINGER, fingers == 1);
input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3);
input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
/* For clickpads map both buttons to BTN_LEFT */
if (etd->fw_version & 0x001000) {
input_report_key(dev, BTN_LEFT, packet[0] & 0x03);
} else {
input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
}
input_report_abs(dev, ABS_PRESSURE, pres);
input_report_abs(dev, ABS_TOOL_WIDTH, width);
@@ -484,9 +491,17 @@ static void elantech_report_absolute_v3(struct psmouse *psmouse,
static void elantech_input_sync_v4(struct psmouse *psmouse)
{
struct input_dev *dev = psmouse->dev;
struct elantech_data *etd = psmouse->private;
unsigned char *packet = psmouse->packet;
input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
/* For clickpads map both buttons to BTN_LEFT */
if (etd->fw_version & 0x001000) {
input_report_key(dev, BTN_LEFT, packet[0] & 0x03);
} else {
input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
}
input_mt_report_pointer_emulation(dev, true);
input_sync(dev);
}
@@ -804,7 +819,7 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse)
if (etd->set_hw_resolution)
etd->reg_10 = 0x0b;
else
etd->reg_10 = 0x03;
etd->reg_10 = 0x01;
if (elantech_write_reg(psmouse, 0x10, etd->reg_10))
rc = -1;
@@ -1267,7 +1282,8 @@ static int elantech_reconnect(struct psmouse *psmouse)
}
/*
* Some hw_version 3 models go into error state when we try to set bit 3 of r10
* Some hw_version 3 models go into error state when we try to set
* bit 3 and/or bit 1 of r10.
*/
static const struct dmi_system_id no_hw_res_dmi_table[] = {
#if defined(CONFIG_DMI) && defined(CONFIG_X86)

3
drivers/md/dm-thin.c
View File

@@ -2479,7 +2479,8 @@ static void set_discard_limits(struct pool_c *pt, struct queue_limits *limits)
*/
if (pt->adjusted_pf.discard_passdown) {
data_limits = &bdev_get_queue(pt->data_dev->bdev)->limits;
limits->discard_granularity = data_limits->discard_granularity;
limits->discard_granularity = max(data_limits->discard_granularity,
pool->sectors_per_block << SECTOR_SHIFT);
} else if (block_size_is_power_of_two(pool))
limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT;
else

6
drivers/media/pci/ivtv/ivtv-alsa-pcm.c
View File

@@ -159,6 +159,12 @@ static int snd_ivtv_pcm_capture_open(struct snd_pcm_substream *substream)
/* Instruct the CX2341[56] to start sending packets */
snd_ivtv_lock(itvsc);
if (ivtv_init_on_first_open(itv)) {
snd_ivtv_unlock(itvsc);
return -ENXIO;
}
s = &itv->streams[IVTV_ENC_STREAM_TYPE_PCM];
v4l2_fh_init(&item.fh, s->vdev);

15
drivers/media/usb/uvc/uvc_video.c
View File

@@ -361,6 +361,14 @@ static int uvc_commit_video(struct uvc_streaming *stream,
* Clocks and timestamps
*/
static inline void uvc_video_get_ts(struct timespec *ts)
{
if (uvc_clock_param == CLOCK_MONOTONIC)
ktime_get_ts(ts);
else
ktime_get_real_ts(ts);
}
static void
uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf,
const __u8 *data, int len)
@@ -420,7 +428,7 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf,
stream->clock.last_sof = dev_sof;
host_sof = usb_get_current_frame_number(stream->dev->udev);
ktime_get_ts(&ts);
uvc_video_get_ts(&ts);
/* The UVC specification allows device implementations that can't obtain
* the USB frame number to keep their own frame counters as long as they
@@ -1010,10 +1018,7 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,
return -ENODATA;
}
if (uvc_clock_param == CLOCK_MONOTONIC)
ktime_get_ts(&ts);
else
ktime_get_real_ts(&ts);
uvc_video_get_ts(&ts);
buf->buf.v4l2_buf.sequence = stream->sequence;
buf->buf.v4l2_buf.timestamp.tv_sec = ts.tv_sec;

4
drivers/net/ethernet/intel/igb/igb_main.c
View File

@@ -4592,8 +4592,10 @@ void igb_update_stats(struct igb_adapter *adapter,
bytes = 0;
packets = 0;
for (i = 0; i < adapter->num_rx_queues; i++) {
u32 rqdpc = rd32(E1000_RQDPC(i));
struct igb_ring *ring = adapter->rx_ring[i];
u32 rqdpc = rd32(E1000_RQDPC(i));
if (hw->mac.type >= e1000_i210)
wr32(E1000_RQDPC(i), 0);
if (rqdpc) {
ring->rx_stats.drops += rqdpc;

10
drivers/net/wireless/b43/xmit.c
View File

@@ -810,9 +810,13 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
break;
case B43_PHYTYPE_G:
status.band = IEEE80211_BAND_2GHZ;
/* chanid is the radio channel cookie value as used
* to tune the radio. */
status.freq = chanid + 2400;
/* Somewhere between 478.104 and 508.1084 firmware for G-PHY
* has been modified to be compatible with N-PHY and others.
*/
if (dev->fw.rev >= 508)
status.freq = ieee80211_channel_to_frequency(chanid, status.band);
else
status.freq = chanid + 2400;
break;
case B43_PHYTYPE_N:
case B43_PHYTYPE_LP:

26
drivers/net/wireless/iwlwifi/pcie/trans.c
View File

@@ -304,6 +304,7 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans)
{
int ret;
int t = 0;
int iter;
IWL_DEBUG_INFO(trans, "iwl_trans_prepare_card_hw enter\n");
@@ -312,18 +313,23 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans)
if (ret >= 0)
return 0;
/* If HW is not ready, prepare the conditions to check again */
iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_PREPARE);
for (iter = 0; iter < 10; iter++) {
/* If HW is not ready, prepare the conditions to check again */
iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_PREPARE);
do {
ret = iwl_pcie_set_hw_ready(trans);
if (ret >= 0)
return 0;
do {
ret = iwl_pcie_set_hw_ready(trans);
if (ret >= 0)
return 0;
usleep_range(200, 1000);
t += 200;
} while (t < 150000);
usleep_range(200, 1000);
t += 200;
} while (t < 150000);
msleep(25);
}
IWL_DEBUG_INFO(trans, "got NIC after %d iterations\n", iter);
return ret;
}

7
drivers/net/wireless/rt2x00/rt2500pci.c
View File

@@ -1679,8 +1679,13 @@ static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
/*
* Detect if this device has an hardware controlled radio.
*/
if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) {
__set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
/*
* On this device RFKILL initialized during probe does not work.
*/
__set_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags);
}
/*
* Check if the BBP tuning should be enabled.

1
drivers/net/wireless/rt2x00/rt2x00.h
View File

@@ -720,6 +720,7 @@ enum rt2x00_capability_flags {
REQUIRE_SW_SEQNO,
REQUIRE_HT_TX_DESC,
REQUIRE_PS_AUTOWAKE,
REQUIRE_DELAYED_RFKILL,
/*
* Capabilities

24
drivers/net/wireless/rt2x00/rt2x00dev.c
View File

@@ -1032,9 +1032,10 @@ static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev)
return;
/*
* Unregister extra components.
* Stop rfkill polling.
*/
rt2x00rfkill_unregister(rt2x00dev);
if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
rt2x00rfkill_unregister(rt2x00dev);
/*
* Allow the HW to uninitialize.
@@ -1072,6 +1073,12 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
set_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags);
/*
* Start rfkill polling.
*/
if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
rt2x00rfkill_register(rt2x00dev);
return 0;
}
@@ -1262,7 +1269,12 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
rt2x00link_register(rt2x00dev);
rt2x00leds_register(rt2x00dev);
rt2x00debug_register(rt2x00dev);
rt2x00rfkill_register(rt2x00dev);
/*
* Start rfkill polling.
*/
if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
rt2x00rfkill_register(rt2x00dev);
return 0;
@@ -1277,6 +1289,12 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
{
clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
/*
* Stop rfkill polling.
*/
if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags))
rt2x00rfkill_unregister(rt2x00dev);
/*
* Disable radio.
*/

2
drivers/net/wireless/rt2x00/rt2x00mac.c
View File

@@ -489,6 +489,8 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
crypto.cipher = rt2x00crypto_key_to_cipher(key);
if (crypto.cipher == CIPHER_NONE)
return -EOPNOTSUPP;
if (crypto.cipher == CIPHER_TKIP && rt2x00_is_usb(rt2x00dev))
return -EOPNOTSUPP;
crypto.cmd = cmd;

1
drivers/pci/quirks.c
View File

@@ -2967,6 +2967,7 @@ static void disable_igfx_irq(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0152, disable_igfx_irq);
/*
* Some devices may pass our check in pci_intx_mask_supported if

16
drivers/rtc/rtc-at91rm9200.c
View File

@@ -41,6 +41,7 @@
#define AT91_RTC_EPOCH 1900UL /* just like arch/arm/common/rtctime.c */
static DECLARE_COMPLETION(at91_rtc_updated);
static DECLARE_COMPLETION(at91_rtc_upd_rdy);
static unsigned int at91_alarm_year = AT91_RTC_EPOCH;
static void __iomem *at91_rtc_regs;
static int irq;
@@ -104,6 +105,8 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
1900 + tm->tm_year, tm->tm_mon, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
wait_for_completion(&at91_rtc_upd_rdy);
/* Stop Time/Calendar from counting */
cr = at91_rtc_read(AT91_RTC_CR);
at91_rtc_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM);
@@ -126,7 +129,9 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
/* Restart Time/Calendar */
cr = at91_rtc_read(AT91_RTC_CR);
at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_SECEV);
at91_rtc_write(AT91_RTC_CR, cr & ~(AT91_RTC_UPDCAL | AT91_RTC_UPDTIM));
at91_rtc_write_ier(AT91_RTC_SECEV);
return 0;
}
@@ -233,8 +238,10 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
if (rtsr) { /* this interrupt is shared! Is it ours? */
if (rtsr & AT91_RTC_ALARM)
events |= (RTC_AF | RTC_IRQF);
if (rtsr & AT91_RTC_SECEV)
events |= (RTC_UF | RTC_IRQF);
if (rtsr & AT91_RTC_SECEV) {
complete(&at91_rtc_upd_rdy);
at91_rtc_write_idr(AT91_RTC_SECEV);
}
if (rtsr & AT91_RTC_ACKUPD)
complete(&at91_rtc_updated);
@@ -317,6 +324,11 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
}
platform_set_drvdata(pdev, rtc);
/* enable SECEV interrupt in order to initialize at91_rtc_upd_rdy
* completion.
*/
at91_rtc_write_ier(AT91_RTC_SECEV);
printk(KERN_INFO "AT91 Real Time Clock driver.\n");
return 0;

37
drivers/scsi/hpsa.c
View File

@@ -108,6 +108,25 @@ static const struct pci_device_id hpsa_pci_device_id[] = {
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103C, 0x1926},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103C, 0x1928},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSF, 0x103C, 0x334d},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSH, 0x103C, 0x1929},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21BD},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21BE},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21BF},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21C0},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21C1},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21C2},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21C3},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21C4},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21C5},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21C6},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21C7},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21C8},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21C9},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21CA},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21CB},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21CC},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21CD},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSI, 0x103C, 0x21CE},
{PCI_VENDOR_ID_HP, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0},
{0,}
@@ -143,6 +162,24 @@ static struct board_type products[] = {
{0x1926103C, "Smart Array", &SA5_access},
{0x1928103C, "Smart Array", &SA5_access},
{0x334d103C, "Smart Array P822se", &SA5_access},
{0x21BD103C, "Smart Array", &SA5_access},
{0x21BE103C, "Smart Array", &SA5_access},
{0x21BF103C, "Smart Array", &SA5_access},
{0x21C0103C, "Smart Array", &SA5_access},
{0x21C1103C, "Smart Array", &SA5_access},
{0x21C2103C, "Smart Array", &SA5_access},
{0x21C3103C, "Smart Array", &SA5_access},
{0x21C4103C, "Smart Array", &SA5_access},
{0x21C5103C, "Smart Array", &SA5_access},
{0x21C6103C, "Smart Array", &SA5_access},
{0x21C7103C, "Smart Array", &SA5_access},
{0x21C8103C, "Smart Array", &SA5_access},
{0x21C9103C, "Smart Array", &SA5_access},
{0x21CA103C, "Smart Array", &SA5_access},
{0x21CB103C, "Smart Array", &SA5_access},
{0x21CC103C, "Smart Array", &SA5_access},
{0x21CD103C, "Smart Array", &SA5_access},
{0x21CE103C, "Smart Array", &SA5_access},
{0xFFFF103C, "Unknown Smart Array", &SA5_access},
};

8
drivers/staging/iio/light/tsl2x7x_core.c
View File

@@ -725,9 +725,13 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
chip->tsl2x7x_config[TSL2X7X_PRX_COUNT] =
chip->tsl2x7x_settings.prox_pulse_count;
chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHLO] =
chip->tsl2x7x_settings.prox_thres_low;
(chip->tsl2x7x_settings.prox_thres_low) & 0xFF;
chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHHI] =
(chip->tsl2x7x_settings.prox_thres_low >> 8) & 0xFF;
chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHLO] =
chip->tsl2x7x_settings.prox_thres_high;
(chip->tsl2x7x_settings.prox_thres_high) & 0xFF;
chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHHI] =
(chip->tsl2x7x_settings.prox_thres_high >> 8) & 0xFF;
/* and make sure we're not already on */
if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) {

1
drivers/target/iscsi/iscsi_target.c
View File

@@ -460,6 +460,7 @@ int iscsit_del_np(struct iscsi_np *np)
*/
send_sig(SIGINT, np->np_thread, 1);
kthread_stop(np->np_thread);
np->np_thread = NULL;
}
iscsit_del_np_comm(np);

10
drivers/target/iscsi/iscsi_target_auth.c
View File

@@ -341,6 +341,16 @@ static int chap_server_compute_md5(
pr_err("Unable to convert incoming challenge\n");
goto out;
}
/*
* During mutual authentication, the CHAP_C generated by the
* initiator must not match the original CHAP_C generated by
* the target.
*/
if (!memcmp(challenge_binhex, chap->challenge, CHAP_CHALLENGE_LENGTH)) {
pr_err("initiator CHAP_C matches target CHAP_C, failing"
" login attempt\n");
goto out;
}
/*
* Generate CHAP_N and CHAP_R for mutual authentication.
*/

18
drivers/target/iscsi/iscsi_target_login.c
View File

@@ -867,7 +867,7 @@ fail:
static int __iscsi_target_login_thread(struct iscsi_np *np)
{
u8 buffer[ISCSI_HDR_LEN], iscsi_opcode, zero_tsih = 0;
int err, ret = 0, stop;
int err, ret = 0;
struct iscsi_conn *conn = NULL;
struct iscsi_login *login;
struct iscsi_portal_group *tpg = NULL;
@@ -884,6 +884,9 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
if (np->np_thread_state == ISCSI_NP_THREAD_RESET) {
np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
complete(&np->np_restart_comp);
} else if (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN) {
spin_unlock_bh(&np->np_thread_lock);
goto exit;
} else {
np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
}
@@ -1166,16 +1169,9 @@ old_sess_out:
}
out:
stop = kthread_should_stop();
if (!stop && signal_pending(current)) {
spin_lock_bh(&np->np_thread_lock);
stop = (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN);
spin_unlock_bh(&np->np_thread_lock);
}
/* Wait for another socket.. */
if (!stop)
return 1;
return 1;
exit:
iscsi_stop_login_thread_timer(np);
spin_lock_bh(&np->np_thread_lock);
np->np_thread_state = ISCSI_NP_THREAD_EXIT;
@@ -1190,7 +1186,7 @@ int iscsi_target_login_thread(void *arg)
allow_signal(SIGINT);
while (!kthread_should_stop()) {
while (1) {
ret = __iscsi_target_login_thread(np);
/*
* We break and exit here unless another sock_accept() call

1
drivers/target/target_core_device.c
View File

@@ -628,6 +628,7 @@ void core_dev_unexport(
dev->export_count--;
spin_unlock(&hba->device_lock);
lun->lun_sep = NULL;
lun->lun_se_dev = NULL;
}

2
drivers/uio/uio.c
View File

@@ -655,6 +655,8 @@ static int uio_mmap_physical(struct vm_area_struct *vma)
return -EINVAL;
mem = idev->info->mem + mi;
if (mem->addr & ~PAGE_MASK)
return -ENODEV;
if (vma->vm_end - vma->vm_start > mem->size)
return -EINVAL;

4
drivers/usb/dwc3/gadget.c
View File

@@ -603,6 +603,10 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep)
dwc3_remove_requests(dwc, dep);
/* make sure HW endpoint isn't stalled */
if (dep->flags & DWC3_EP_STALL)
__dwc3_gadget_ep_set_halt(dep, 0);
reg = dwc3_readl(dwc->regs, DWC3_DALEPENA);
reg &= ~DWC3_DALEPENA_EP(dep->number);
dwc3_writel(dwc->regs, DWC3_DALEPENA, reg);

19
drivers/usb/host/pci-quirks.c
View File

@@ -555,6 +555,14 @@ static const struct dmi_system_id ehci_dmi_nohandoff_table[] = {
DMI_MATCH(DMI_BIOS_VERSION, "Lucid-"),
},
},
{
/* HASEE E200 */
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "HASEE"),
DMI_MATCH(DMI_BOARD_NAME, "E210"),
DMI_MATCH(DMI_BIOS_VERSION, "6.00"),
},
},
{ }
};
@@ -564,9 +572,14 @@ static void ehci_bios_handoff(struct pci_dev *pdev,
{
int try_handoff = 1, tried_handoff = 0;
/* The Pegatron Lucid tablet sporadically waits for 98 seconds trying
* the handoff on its unused controller. Skip it. */
if (pdev->vendor == 0x8086 && pdev->device == 0x283a) {
/*
* The Pegatron Lucid tablet sporadically waits for 98 seconds trying
* the handoff on its unused controller. Skip it.
*
* The HASEE E200 hangs when the semaphore is set (bugzilla #77021).
*/
if (pdev->vendor == 0x8086 && (pdev->device == 0x283a ||
pdev->device == 0x27cc)) {
if (dmi_check_system(ehci_dmi_nohandoff_table))
try_handoff = 0;
}

10
drivers/usb/misc/usbtest.c
View File

@@ -1138,6 +1138,11 @@ static int unlink1(struct usbtest_dev *dev, int pipe, int size, int async)
urb->context = &completion;
urb->complete = unlink1_callback;
if (usb_pipeout(urb->pipe)) {
simple_fill_buf(urb);
urb->transfer_flags |= URB_ZERO_PACKET;
}
/* keep the endpoint busy. there are lots of hc/hcd-internal
* states, and testing should get to all of them over time.
*
@@ -1268,6 +1273,11 @@ static int unlink_queued(struct usbtest_dev *dev, int pipe, unsigned num,
unlink_queued_callback, &ctx);
ctx.urbs[i]->transfer_dma = buf_dma;
ctx.urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
if (usb_pipeout(ctx.urbs[i]->pipe)) {
simple_fill_buf(ctx.urbs[i]);
ctx.urbs[i]->transfer_flags |= URB_ZERO_PACKET;
}
}
/* Submit all the URBs and then unlink URBs num - 4 and num - 2. */

21
drivers/usb/serial/qcserial.c
View File

@@ -145,12 +145,33 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 0)}, /* Sierra Wireless EM7355 Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 2)}, /* Sierra Wireless EM7355 NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 3)}, /* Sierra Wireless EM7355 Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9040, 0)}, /* Sierra Wireless Modem Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9040, 2)}, /* Sierra Wireless Modem NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9040, 3)}, /* Sierra Wireless Modem Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 0)}, /* Sierra Wireless MC7305/MC7355 Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 2)}, /* Sierra Wireless MC7305/MC7355 NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 3)}, /* Sierra Wireless MC7305/MC7355 Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)}, /* Netgear AirCard 340U Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)}, /* Netgear AirCard 340U NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)}, /* Netgear AirCard 340U Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9053, 0)}, /* Sierra Wireless Modem Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9053, 2)}, /* Sierra Wireless Modem NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9053, 3)}, /* Sierra Wireless Modem Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9054, 0)}, /* Sierra Wireless Modem Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9054, 2)}, /* Sierra Wireless Modem NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9054, 3)}, /* Sierra Wireless Modem Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9055, 0)}, /* Netgear AirCard 341U Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9055, 2)}, /* Netgear AirCard 341U NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9055, 3)}, /* Netgear AirCard 341U Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9056, 0)}, /* Sierra Wireless Modem Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9056, 2)}, /* Sierra Wireless Modem NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9056, 3)}, /* Sierra Wireless Modem Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9060, 0)}, /* Sierra Wireless Modem Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9060, 2)}, /* Sierra Wireless Modem NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9060, 3)}, /* Sierra Wireless Modem Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9061, 0)}, /* Sierra Wireless Modem Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9061, 2)}, /* Sierra Wireless Modem NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9061, 3)}, /* Sierra Wireless Modem Modem */
{USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 0)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
{USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
{USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 3)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Modem */

10
drivers/watchdog/ath79_wdt.c
View File

@@ -20,6 +20,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/init.h>
@@ -77,6 +78,15 @@ static inline void ath79_wdt_keepalive(void)
static inline void ath79_wdt_enable(void)
{
ath79_wdt_keepalive();
/*
* Updating the TIMER register requires a few microseconds
* on the AR934x SoCs at least. Use a small delay to ensure
* that the TIMER register is updated within the hardware
* before enabling the watchdog.
*/
udelay(2);
ath79_reset_wr(AR71XX_RESET_REG_WDOG_CTRL, WDOG_CTRL_ACTION_FCR);
/* flush write */
ath79_reset_rr(AR71XX_RESET_REG_WDOG_CTRL);

4
drivers/watchdog/sp805_wdt.c
View File

@@ -60,7 +60,6 @@
* @adev: amba device structure of wdt
* @status: current status of wdt
* @load_val: load value to be set for current timeout
* @timeout: current programmed timeout
*/
struct sp805_wdt {
struct watchdog_device wdd;
@@ -69,7 +68,6 @@ struct sp805_wdt {
struct clk *clk;
struct amba_device *adev;
unsigned int load_val;
unsigned int timeout;
};
static bool nowayout = WATCHDOG_NOWAYOUT;
@@ -99,7 +97,7 @@ static int wdt_setload(struct watchdog_device *wdd, unsigned int timeout)
spin_lock(&wdt->lock);
wdt->load_val = load;
/* roundup timeout to closest positive integer value */
wdt->timeout = div_u64((load + 1) * 2 + (rate / 2), rate);
wdd->timeout = div_u64((load + 1) * 2 + (rate / 2), rate);
spin_unlock(&wdt->lock);
return 0;

8
fs/attr.c
View File

@@ -50,14 +50,14 @@ int inode_change_ok(const struct inode *inode, struct iattr *attr)
if ((ia_valid & ATTR_UID) &&
(!uid_eq(current_fsuid(), inode->i_uid) ||
!uid_eq(attr->ia_uid, inode->i_uid)) &&
!inode_capable(inode, CAP_CHOWN))
!capable_wrt_inode_uidgid(inode, CAP_CHOWN))
return -EPERM;
/* Make sure caller can chgrp. */
if ((ia_valid & ATTR_GID) &&
(!uid_eq(current_fsuid(), inode->i_uid) ||
(!in_group_p(attr->ia_gid) && !gid_eq(attr->ia_gid, inode->i_gid))) &&
!inode_capable(inode, CAP_CHOWN))
!capable_wrt_inode_uidgid(inode, CAP_CHOWN))
return -EPERM;
/* Make sure a caller can chmod. */
@@ -67,7 +67,7 @@ int inode_change_ok(const struct inode *inode, struct iattr *attr)
/* Also check the setgid bit! */
if (!in_group_p((ia_valid & ATTR_GID) ? attr->ia_gid :
inode->i_gid) &&
!inode_capable(inode, CAP_FSETID))
!capable_wrt_inode_uidgid(inode, CAP_FSETID))
attr->ia_mode &= ~S_ISGID;
}
@@ -160,7 +160,7 @@ void setattr_copy(struct inode *inode, const struct iattr *attr)
umode_t mode = attr->ia_mode;
if (!in_group_p(inode->i_gid) &&
!inode_capable(inode, CAP_FSETID))
!capable_wrt_inode_uidgid(inode, CAP_FSETID))
mode &= ~S_ISGID;
inode->i_mode = mode;
}

1
fs/btrfs/extent_io.c
View File

@@ -1595,6 +1595,7 @@ again:
* shortening the size of the delalloc range we're searching
*/
free_extent_state(cached_state);
cached_state = NULL;
if (!loops) {
unsigned long offset = (*start) & (PAGE_CACHE_SIZE - 1);
max_bytes = PAGE_CACHE_SIZE - offset;

7
fs/cifs/cifs_unicode.c
View File

@@ -290,7 +290,8 @@ int
cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
const struct nls_table *cp, int mapChars)
{
int i, j, charlen;
int i, charlen;
int j = 0;
char src_char;
__le16 dst_char;
wchar_t tmp;
@@ -298,12 +299,11 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
if (!mapChars)
return cifs_strtoUTF16(target, source, PATH_MAX, cp);
for (i = 0, j = 0; i < srclen; j++) {
for (i = 0; i < srclen; j++) {
src_char = source[i];
charlen = 1;
switch (src_char) {
case 0:
put_unaligned(0, &target[j]);
goto ctoUTF16_out;
case ':':
dst_char = cpu_to_le16(UNI_COLON);
@@ -350,6 +350,7 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
}
ctoUTF16_out:
put_unaligned(0, &target[j]); /* Null terminate target unicode string */
return j;
}

2
fs/ext4/mballoc.c
View File

@@ -3030,7 +3030,7 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
}
BUG_ON(start + size <= ac->ac_o_ex.fe_logical &&
start > ac->ac_o_ex.fe_logical);
BUG_ON(size <= 0 || size > EXT4_CLUSTERS_PER_GROUP(ac->ac_sb));
BUG_ON(size <= 0 || size > EXT4_BLOCKS_PER_GROUP(ac->ac_sb));
/* now prepare goal request */

24
fs/ext4/page-io.c
View File

@@ -446,24 +446,24 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
set_page_writeback(page);
ClearPageError(page);
/*
* Comments copied from block_write_full_page_endio:
*
* The page straddles i_size. It must be zeroed out on each and every
* writepage invocation because it may be mmapped. "A file is mapped
* in multiples of the page size. For a file that is not a multiple of
* the page size, the remaining memory is zeroed when mapped, and
* writes to that region are not written out to the file."
*/
if (len < PAGE_CACHE_SIZE)
zero_user_segment(page, len, PAGE_CACHE_SIZE);
for (bh = head = page_buffers(page), block_start = 0;
bh != head || !block_start;
block_start = block_end, bh = bh->b_this_page) {
block_end = block_start + blocksize;
if (block_start >= len) {
/*
* Comments copied from block_write_full_page_endio:
*
* The page straddles i_size. It must be zeroed out on
* each and every writepage invocation because it may
* be mmapped. "A file is mapped in multiples of the
* page size. For a file that is not a multiple of
* the page size, the remaining memory is zeroed when
* mapped, and writes to that region are not written
* out to the file."
*/
zero_user_segment(page, block_start, block_end);
clear_buffer_dirty(bh);
set_buffer_uptodate(bh);
continue;

10
fs/inode.c
View File

@@ -1844,14 +1844,18 @@ EXPORT_SYMBOL(inode_init_owner);
* inode_owner_or_capable - check current task permissions to inode
* @inode: inode being checked
*
* Return true if current either has CAP_FOWNER to the inode, or
* owns the file.
* Return true if current either has CAP_FOWNER in a namespace with the
* inode owner uid mapped, or owns the file.
*/
bool inode_owner_or_capable(const struct inode *inode)
{
struct user_namespace *ns;
if (uid_eq(current_fsuid(), inode->i_uid))
return true;
if (inode_capable(inode, CAP_FOWNER))
ns = current_user_ns();
if (ns_capable(ns, CAP_FOWNER) && kuid_has_mapping(ns, inode->i_uid))
return true;
return false;
}

11
fs/namei.c
View File

@@ -321,10 +321,11 @@ int generic_permission(struct inode *inode, int mask)
if (S_ISDIR(inode->i_mode)) {
/* DACs are overridable for directories */
if (inode_capable(inode, CAP_DAC_OVERRIDE))
if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE))
return 0;
if (!(mask & MAY_WRITE))
if (inode_capable(inode, CAP_DAC_READ_SEARCH))
if (capable_wrt_inode_uidgid(inode,
CAP_DAC_READ_SEARCH))
return 0;
return -EACCES;
}
@@ -334,7 +335,7 @@ int generic_permission(struct inode *inode, int mask)
* at least one exec bit set.
*/
if (!(mask & MAY_EXEC) || (inode->i_mode & S_IXUGO))
if (inode_capable(inode, CAP_DAC_OVERRIDE))
if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE))
return 0;
/*
@@ -342,7 +343,7 @@ int generic_permission(struct inode *inode, int mask)
*/
mask &= MAY_READ | MAY_WRITE | MAY_EXEC;
if (mask == MAY_READ)
if (inode_capable(inode, CAP_DAC_READ_SEARCH))
if (capable_wrt_inode_uidgid(inode, CAP_DAC_READ_SEARCH))
return 0;
return -EACCES;
@@ -2209,7 +2210,7 @@ static inline int check_sticky(struct inode *dir, struct inode *inode)
return 0;
if (uid_eq(dir->i_uid, fsuid))
return 0;
return !inode_capable(inode, CAP_FOWNER);
return !capable_wrt_inode_uidgid(inode, CAP_FOWNER);
}
/*

26
fs/nfs/inode.c
View File

@@ -1381,18 +1381,20 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
inode->i_version = fattr->change_attr;
}
} else if (server->caps & NFS_CAP_CHANGE_ATTR)
invalid |= save_cache_validity;
nfsi->cache_validity |= save_cache_validity;
if (fattr->valid & NFS_ATTR_FATTR_MTIME) {
memcpy(&inode->i_mtime, &fattr->mtime, sizeof(inode->i_mtime));
} else if (server->caps & NFS_CAP_MTIME)
invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
nfsi->cache_validity |= save_cache_validity &
(NFS_INO_INVALID_ATTR
| NFS_INO_REVAL_FORCED);
if (fattr->valid & NFS_ATTR_FATTR_CTIME) {
memcpy(&inode->i_ctime, &fattr->ctime, sizeof(inode->i_ctime));
} else if (server->caps & NFS_CAP_CTIME)
invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
nfsi->cache_validity |= save_cache_validity &
(NFS_INO_INVALID_ATTR
| NFS_INO_REVAL_FORCED);
/* Check if our cached file size is stale */
@@ -1415,7 +1417,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
(long long)new_isize);
}
} else
invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
nfsi->cache_validity |= save_cache_validity &
(NFS_INO_INVALID_ATTR
| NFS_INO_REVAL_PAGECACHE
| NFS_INO_REVAL_FORCED);
@@ -1423,7 +1426,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
if (fattr->valid & NFS_ATTR_FATTR_ATIME)
memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
else if (server->caps & NFS_CAP_ATIME)
invalid |= save_cache_validity & (NFS_INO_INVALID_ATIME
nfsi->cache_validity |= save_cache_validity &
(NFS_INO_INVALID_ATIME
| NFS_INO_REVAL_FORCED);
if (fattr->valid & NFS_ATTR_FATTR_MODE) {
@@ -1434,7 +1438,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
}
} else if (server->caps & NFS_CAP_MODE)
invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
nfsi->cache_validity |= save_cache_validity &
(NFS_INO_INVALID_ATTR
| NFS_INO_INVALID_ACCESS
| NFS_INO_INVALID_ACL
| NFS_INO_REVAL_FORCED);
@@ -1445,7 +1450,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
inode->i_uid = fattr->uid;
}
} else if (server->caps & NFS_CAP_OWNER)
invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
nfsi->cache_validity |= save_cache_validity &
(NFS_INO_INVALID_ATTR
| NFS_INO_INVALID_ACCESS
| NFS_INO_INVALID_ACL
| NFS_INO_REVAL_FORCED);
@@ -1456,7 +1462,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
inode->i_gid = fattr->gid;
}
} else if (server->caps & NFS_CAP_OWNER_GROUP)
invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
nfsi->cache_validity |= save_cache_validity &
(NFS_INO_INVALID_ATTR
| NFS_INO_INVALID_ACCESS
| NFS_INO_INVALID_ACL
| NFS_INO_REVAL_FORCED);
@@ -1469,7 +1476,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
set_nlink(inode, fattr->nlink);
}
} else if (server->caps & NFS_CAP_NLINK)
invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
nfsi->cache_validity |= save_cache_validity &
(NFS_INO_INVALID_ATTR
| NFS_INO_REVAL_FORCED);
if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) {

1
fs/nfs/super.c
View File

@@ -2167,6 +2167,7 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
data->timeo = 10U * nfss->client->cl_timeout->to_initval / HZ;
data->nfs_server.port = nfss->port;
data->nfs_server.addrlen = nfss->nfs_client->cl_addrlen;
data->net = current->nsproxy->net_ns;
memcpy(&data->nfs_server.address, &nfss->nfs_client->cl_addr,
data->nfs_server.addrlen);

2
fs/nfsd/nfs4state.c
View File

@@ -3520,7 +3520,7 @@ nfsd4_free_lock_stateid(struct nfs4_ol_stateid *stp)
* correspondance, and we have to delete the lockowner when we
* delete the lock stateid:
*/
unhash_lockowner(lo);
release_lockowner(lo);
return nfs_ok;
}

4
fs/nfsd/nfs4xdr.c
View File

@@ -2048,8 +2048,8 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
err = vfs_getattr(exp->ex_path.mnt, dentry, &stat);
if (err)
goto out_nfserr;
if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL |
FATTR4_WORD0_MAXNAME)) ||
if ((bmval0 & (FATTR4_WORD0_FILES_AVAIL | FATTR4_WORD0_FILES_FREE |
FATTR4_WORD0_FILES_TOTAL | FATTR4_WORD0_MAXNAME)) ||
(bmval1 & (FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE |
FATTR4_WORD1_SPACE_TOTAL))) {
err = vfs_statfs(&path, &statfs);

8
fs/reiserfs/inode.c
View File

@@ -3210,8 +3210,14 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
attr->ia_size != i_size_read(inode)) {
error = inode_newsize_ok(inode, attr->ia_size);
if (!error) {
/*
* Could race against reiserfs_file_release
* if called from NFS, so take tailpack mutex.
*/
mutex_lock(&REISERFS_I(inode)->tailpack);
truncate_setsize(inode, attr->ia_size);
reiserfs_vfs_truncate_file(inode);
reiserfs_truncate_file(inode, 1);
mutex_unlock(&REISERFS_I(inode)->tailpack);
}
}

3
fs/ubifs/file.c
View File

@@ -1522,8 +1522,7 @@ static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma,
ubifs_release_dirty_inode_budget(c, ui);
}
unlock_page(page);
return 0;
return VM_FAULT_LOCKED;
out_unlock:
unlock_page(page);

1
fs/ubifs/shrinker.c
View File

@@ -128,7 +128,6 @@ static int shrink_tnc(struct ubifs_info *c, int nr, int age, int *contention)
freed = ubifs_destroy_tnc_subtree(znode);
atomic_long_sub(freed, &ubifs_clean_zn_cnt);
atomic_long_sub(freed, &c->clean_zn_cnt);
ubifs_assert(atomic_long_read(&c->clean_zn_cnt) >= 0);
total_freed += freed;
znode = zprev;
}

2
include/linux/capability.h
View File

@@ -211,7 +211,7 @@ extern bool has_ns_capability_noaudit(struct task_struct *t,
extern bool capable(int cap);
extern bool ns_capable(struct user_namespace *ns, int cap);
extern bool nsown_capable(int cap);
extern bool inode_capable(const struct inode *inode, int cap);
extern bool capable_wrt_inode_uidgid(const struct inode *inode, int cap);
extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap);
/* audit system wants to get cap info from files as well */

4
include/linux/irqdesc.h
View File

@@ -27,6 +27,8 @@ struct irq_desc;
* @irq_count: stats field to detect stalled irqs
* @last_unhandled: aging timer for unhandled count
* @irqs_unhandled: stats field for spurious unhandled interrupts
* @threads_handled: stats field for deferred spurious detection of threaded handlers
* @threads_handled_last: comparator field for deferred spurious detection of theraded handlers
* @lock: locking for SMP
* @affinity_hint: hint to user space for preferred irq affinity
* @affinity_notify: context for notification of affinity changes
@@ -52,6 +54,8 @@ struct irq_desc {
unsigned int irq_count; /* For detecting broken IRQs */
unsigned long last_unhandled; /* Aging timer for unhandled count */
unsigned int irqs_unhandled;
atomic_t threads_handled;
int threads_handled_last;
raw_spinlock_t lock;
struct cpumask *percpu_enabled;
#ifdef CONFIG_SMP

6
include/linux/mmzone.h
View File

@@ -73,9 +73,13 @@ enum {
extern int page_group_by_mobility_disabled;
#define NR_MIGRATETYPE_BITS (PB_migrate_end - PB_migrate + 1)
#define MIGRATETYPE_MASK ((1UL << NR_MIGRATETYPE_BITS) - 1)
static inline int get_pageblock_migratetype(struct page *page)
{
return get_pageblock_flags_group(page, PB_migrate, PB_migrate_end);
BUILD_BUG_ON(PB_migrate_end - PB_migrate != 2);
return get_pageblock_flags_mask(page, PB_migrate_end, MIGRATETYPE_MASK);
}
struct free_area {

37
include/linux/pageblock-flags.h
View File

@@ -30,9 +30,12 @@ enum pageblock_bits {
PB_migrate,
PB_migrate_end = PB_migrate + 3 - 1,
/* 3 bits required for migrate types */
#ifdef CONFIG_COMPACTION
PB_migrate_skip,/* If set the block is skipped by compaction */
#endif /* CONFIG_COMPACTION */
/*
* Assume the bits will always align on a word. If this assumption
* changes then get/set pageblock needs updating.
*/
NR_PAGEBLOCK_BITS
};
@@ -62,11 +65,33 @@ extern int pageblock_order;
/* Forward declaration */
struct page;
unsigned long get_pageblock_flags_mask(struct page *page,
unsigned long end_bitidx,
unsigned long mask);
void set_pageblock_flags_mask(struct page *page,
unsigned long flags,
unsigned long end_bitidx,
unsigned long mask);
/* Declarations for getting and setting flags. See mm/page_alloc.c */
unsigned long get_pageblock_flags_group(struct page *page,
int start_bitidx, int end_bitidx);
void set_pageblock_flags_group(struct page *page, unsigned long flags,
int start_bitidx, int end_bitidx);
static inline unsigned long get_pageblock_flags_group(struct page *page,
int start_bitidx, int end_bitidx)
{
unsigned long nr_flag_bits = end_bitidx - start_bitidx + 1;
unsigned long mask = (1 << nr_flag_bits) - 1;
return get_pageblock_flags_mask(page, end_bitidx, mask);
}
static inline void set_pageblock_flags_group(struct page *page,
unsigned long flags,
int start_bitidx, int end_bitidx)
{
unsigned long nr_flag_bits = end_bitidx - start_bitidx + 1;
unsigned long mask = (1 << nr_flag_bits) - 1;
set_pageblock_flags_mask(page, flags, end_bitidx, mask);
}
#ifdef CONFIG_COMPACTION
#define get_pageblock_skip(page) \

1
include/linux/pci_ids.h
View File

@@ -754,6 +754,7 @@
#define PCI_DEVICE_ID_HP_CISSE 0x323a
#define PCI_DEVICE_ID_HP_CISSF 0x323b
#define PCI_DEVICE_ID_HP_CISSH 0x323c
#define PCI_DEVICE_ID_HP_CISSI 0x3239
#define PCI_DEVICE_ID_HP_ZX2_IOC 0x4031
#define PCI_VENDOR_ID_PCTECH 0x1042

32
include/linux/ptrace.h
View File

@@ -5,6 +5,7 @@
#include <linux/sched.h> /* For struct task_struct. */
#include <linux/err.h> /* for IS_ERR_VALUE */
#include <linux/bug.h> /* For BUG_ON. */
#include <linux/pid_namespace.h> /* For task_active_pid_ns. */
#include <uapi/linux/ptrace.h>
/*
@@ -128,6 +129,37 @@ static inline void ptrace_event(int event, unsigned long message)
}
}
/**
* ptrace_event_pid - possibly stop for a ptrace event notification
* @event: %PTRACE_EVENT_* value to report
* @pid: process identifier for %PTRACE_GETEVENTMSG to return
*
* Check whether @event is enabled and, if so, report @event and @pid
* to the ptrace parent. @pid is reported as the pid_t seen from the
* the ptrace parent's pid namespace.
*
* Called without locks.
*/
static inline void ptrace_event_pid(int event, struct pid *pid)
{
/*
* FIXME: There's a potential race if a ptracer in a different pid
* namespace than parent attaches between computing message below and
* when we acquire tasklist_lock in ptrace_stop(). If this happens,
* the ptracer will get a bogus pid from PTRACE_GETEVENTMSG.
*/
unsigned long message = 0;
struct pid_namespace *ns;
rcu_read_lock();
ns = task_active_pid_ns(rcu_dereference(current->parent));
if (ns)
message = pid_nr_ns(pid, ns);
rcu_read_unlock();
ptrace_event(event, message);
}
/**
* ptrace_init_task - initialize ptrace state for a new child
* @child: new child task

2
include/sound/core.h
View File

@@ -120,6 +120,8 @@ struct snd_card {
int user_ctl_count; /* count of all user controls */
struct list_head controls; /* all controls for this card */
struct list_head ctl_files; /* active control files */
struct mutex user_ctl_lock; /* protects user controls against
concurrent access */
struct snd_info_entry *proc_root; /* root for soundcard specific files */
struct snd_info_entry *proc_id; /* the card id */

2
include/uapi/sound/compress_offload.h
View File

@@ -80,7 +80,7 @@ struct snd_compr_tstamp {
struct snd_compr_avail {
__u64 avail;
struct snd_compr_tstamp tstamp;
};
} __attribute__((packed));
enum snd_compr_direction {
SND_COMPRESS_PLAYBACK = 0,

27
kernel/auditsc.c
View File

@@ -859,6 +859,22 @@ static enum audit_state audit_filter_task(struct task_struct *tsk, char **key)
return AUDIT_BUILD_CONTEXT;
}
static int audit_in_mask(const struct audit_krule *rule, unsigned long val)
{
int word, bit;
if (val > 0xffffffff)
return false;
word = AUDIT_WORD(val);
if (word >= AUDIT_BITMASK_SIZE)
return false;
bit = AUDIT_BIT(val);
return rule->mask[word] & bit;
}
/* At syscall entry and exit time, this filter is called if the
* audit_state is not low enough that auditing cannot take place, but is
* also not high enough that we already know we have to write an audit
@@ -876,11 +892,8 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
rcu_read_lock();
if (!list_empty(list)) {
int word = AUDIT_WORD(ctx->major);
int bit = AUDIT_BIT(ctx->major);
list_for_each_entry_rcu(e, list, list) {
if ((e->rule.mask[word] & bit) == bit &&
if (audit_in_mask(&e->rule, ctx->major) &&
audit_filter_rules(tsk, &e->rule, ctx, NULL,
&state, false)) {
rcu_read_unlock();
@@ -900,20 +913,16 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
static int audit_filter_inode_name(struct task_struct *tsk,
struct audit_names *n,
struct audit_context *ctx) {
int word, bit;
int h = audit_hash_ino((u32)n->ino);
struct list_head *list = &audit_inode_hash[h];
struct audit_entry *e;
enum audit_state state;
word = AUDIT_WORD(ctx->major);
bit = AUDIT_BIT(ctx->major);
if (list_empty(list))
return 0;
list_for_each_entry_rcu(e, list, list) {
if ((e->rule.mask[word] & bit) == bit &&
if (audit_in_mask(&e->rule, ctx->major) &&
audit_filter_rules(tsk, &e->rule, ctx, n, &state, false)) {
ctx->current_state = state;
return 1;

18
kernel/capability.c
View File

@@ -445,22 +445,18 @@ bool nsown_capable(int cap)
}
/**
* inode_capable - Check superior capability over inode
* capable_wrt_inode_uidgid - Check nsown_capable and uid and gid mapped
* @inode: The inode in question
* @cap: The capability in question
*
* Return true if the current task has the given superior capability
* targeted at it's own user namespace and that the given inode is owned
* by the current user namespace or a child namespace.
*
* Currently we check to see if an inode is owned by the current
* user namespace by seeing if the inode's owner maps into the
* current user namespace.
*
* Return true if the current task has the given capability targeted at
* its own user namespace and that the given inode's uid and gid are
* mapped into the current user namespace.
*/
bool inode_capable(const struct inode *inode, int cap)
bool capable_wrt_inode_uidgid(const struct inode *inode, int cap)
{
struct user_namespace *ns = current_user_ns();
return ns_capable(ns, cap) && kuid_has_mapping(ns, inode->i_uid);
return ns_capable(ns, cap) && kuid_has_mapping(ns, inode->i_uid) &&
kgid_has_mapping(ns, inode->i_gid);
}

10
kernel/fork.c
View File

@@ -1596,10 +1596,12 @@ long do_fork(unsigned long clone_flags,
*/
if (!IS_ERR(p)) {
struct completion vfork;
struct pid *pid;
trace_sched_process_fork(current, p);
nr = task_pid_vnr(p);
pid = get_task_pid(p, PIDTYPE_PID);
nr = pid_vnr(pid);
if (clone_flags & CLONE_PARENT_SETTID)
put_user(nr, parent_tidptr);
@@ -1614,12 +1616,14 @@ long do_fork(unsigned long clone_flags,
/* forking complete and child started to run, tell ptracer */
if (unlikely(trace))
ptrace_event(trace, nr);
ptrace_event_pid(trace, pid);
if (clone_flags & CLONE_VFORK) {
if (!wait_for_vfork_done(p, &vfork))
ptrace_event(PTRACE_EVENT_VFORK_DONE, nr);
ptrace_event_pid(PTRACE_EVENT_VFORK_DONE, pid);
}
put_pid(pid);
} else {
nr = PTR_ERR(p);
}

4
kernel/irq/manage.c
View File

@@ -860,8 +860,8 @@ static int irq_thread(void *data)
irq_thread_check_affinity(desc, action);
action_ret = handler_fn(desc, action);
if (!noirqdebug)
note_interrupt(action->irq, desc, action_ret);
if (action_ret == IRQ_HANDLED)
atomic_inc(&desc->threads_handled);
wake_threads_waitq(desc);
}

106
kernel/irq/spurious.c
View File

@@ -265,21 +265,119 @@ try_misrouted_irq(unsigned int irq, struct irq_desc *desc,
return action && (action->flags & IRQF_IRQPOLL);
}
#define SPURIOUS_DEFERRED 0x80000000
void note_interrupt(unsigned int irq, struct irq_desc *desc,
irqreturn_t action_ret)
{
if (desc->istate & IRQS_POLL_INPROGRESS)
return;
/* we get here again via the threaded handler */
if (action_ret == IRQ_WAKE_THREAD)
return;
if (bad_action_ret(action_ret)) {
report_bad_irq(irq, desc, action_ret);
return;
}
/*
* We cannot call note_interrupt from the threaded handler
* because we need to look at the compound of all handlers
* (primary and threaded). Aside of that in the threaded
* shared case we have no serialization against an incoming
* hardware interrupt while we are dealing with a threaded
* result.
*
* So in case a thread is woken, we just note the fact and
* defer the analysis to the next hardware interrupt.
*
* The threaded handlers store whether they sucessfully
* handled an interrupt and we check whether that number
* changed versus the last invocation.
*
* We could handle all interrupts with the delayed by one
* mechanism, but for the non forced threaded case we'd just
* add pointless overhead to the straight hardirq interrupts
* for the sake of a few lines less code.
*/
if (action_ret & IRQ_WAKE_THREAD) {
/*
* There is a thread woken. Check whether one of the
* shared primary handlers returned IRQ_HANDLED. If
* not we defer the spurious detection to the next
* interrupt.
*/
if (action_ret == IRQ_WAKE_THREAD) {
int handled;
/*
* We use bit 31 of thread_handled_last to
* denote the deferred spurious detection
* active. No locking necessary as
* thread_handled_last is only accessed here
* and we have the guarantee that hard
* interrupts are not reentrant.
*/
if (!(desc->threads_handled_last & SPURIOUS_DEFERRED)) {
desc->threads_handled_last |= SPURIOUS_DEFERRED;
return;
}
/*
* Check whether one of the threaded handlers
* returned IRQ_HANDLED since the last
* interrupt happened.
*
* For simplicity we just set bit 31, as it is
* set in threads_handled_last as well. So we
* avoid extra masking. And we really do not
* care about the high bits of the handled
* count. We just care about the count being
* different than the one we saw before.
*/
handled = atomic_read(&desc->threads_handled);
handled |= SPURIOUS_DEFERRED;
if (handled != desc->threads_handled_last) {
action_ret = IRQ_HANDLED;
/*
* Note: We keep the SPURIOUS_DEFERRED
* bit set. We are handling the
* previous invocation right now.
* Keep it for the current one, so the
* next hardware interrupt will
* account for it.
*/
desc->threads_handled_last = handled;
} else {
/*
* None of the threaded handlers felt
* responsible for the last interrupt
*
* We keep the SPURIOUS_DEFERRED bit
* set in threads_handled_last as we
* need to account for the current
* interrupt as well.
*/
action_ret = IRQ_NONE;
}
} else {
/*
* One of the primary handlers returned
* IRQ_HANDLED. So we don't care about the
* threaded handlers on the same line. Clear
* the deferred detection bit.
*
* In theory we could/should check whether the
* deferred bit is set and take the result of
* the previous run into account here as
* well. But it's really not worth the
* trouble. If every other interrupt is
* handled we never trigger the spurious
* detector. And if this is just the one out
* of 100k unhandled ones which is handled
* then we merily delay the spurious detection
* by one hard interrupt. Not a real problem.
*/
desc->threads_handled_last &= ~SPURIOUS_DEFERRED;
}
}
if (unlikely(action_ret == IRQ_NONE)) {
/*
* If we are seeing only the odd spurious IRQ caused by

8
lib/idr.c
View File

@@ -167,7 +167,7 @@ static int sub_alloc(struct idr *idp, int *starting_id, struct idr_layer **pa)
id = (id | ((1 << (IDR_BITS * l)) - 1)) + 1;
/* if already at the top layer, we need to grow */
if (id >= 1 << (idp->layers * IDR_BITS)) {
if (id > idr_max(idp->layers)) {
*starting_id = id;
return IDR_NEED_TO_GROW;
}
@@ -672,14 +672,12 @@ void *idr_replace(struct idr *idp, void *ptr, int id)
if (!p)
return ERR_PTR(-EINVAL);
n = (p->layer+1) * IDR_BITS;
id &= MAX_IDR_MASK;
if (id >= (1 << n))
if (id > idr_max(p->layer + 1))
return ERR_PTR(-EINVAL);
n -= IDR_BITS;
n = p->layer * IDR_BITS;
while ((n > 0) && p) {
p = p->ary[(id >> n) & IDR_MASK];
n -= IDR_BITS;

70
mm/hugetlb.c
View File

@@ -2291,6 +2291,31 @@ static void set_huge_ptep_writable(struct vm_area_struct *vma,
update_mmu_cache(vma, address, ptep);
}
static int is_hugetlb_entry_migration(pte_t pte)
{
swp_entry_t swp;
if (huge_pte_none(pte) || pte_present(pte))
return 0;
swp = pte_to_swp_entry(pte);
if (non_swap_entry(swp) && is_migration_entry(swp))
return 1;
else
return 0;
}
static int is_hugetlb_entry_hwpoisoned(pte_t pte)
{
swp_entry_t swp;
if (huge_pte_none(pte) || pte_present(pte))
return 0;
swp = pte_to_swp_entry(pte);
if (non_swap_entry(swp) && is_hwpoison_entry(swp))
return 1;
else
return 0;
}
int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
struct vm_area_struct *vma)
@@ -2318,7 +2343,24 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
spin_lock(&dst->page_table_lock);
spin_lock_nested(&src->page_table_lock, SINGLE_DEPTH_NESTING);
if (!huge_pte_none(huge_ptep_get(src_pte))) {
entry = huge_ptep_get(src_pte);
if (huge_pte_none(entry)) { /* skip none entry */
;
} else if (unlikely(is_hugetlb_entry_migration(entry) ||
is_hugetlb_entry_hwpoisoned(entry))) {
swp_entry_t swp_entry = pte_to_swp_entry(entry);
if (is_write_migration_entry(swp_entry) && cow) {
/*
* COW mappings require pages in both
* parent and child to be set to read.
*/
make_migration_entry_read(&swp_entry);
entry = swp_entry_to_pte(swp_entry);
set_huge_pte_at(src, addr, src_pte, entry);
}
set_huge_pte_at(dst, addr, dst_pte, entry);
} else {
if (cow)
huge_ptep_set_wrprotect(src, addr, src_pte);
entry = huge_ptep_get(src_pte);
@@ -2336,32 +2378,6 @@ nomem:
return -ENOMEM;
}
static int is_hugetlb_entry_migration(pte_t pte)
{
swp_entry_t swp;
if (huge_pte_none(pte) || pte_present(pte))
return 0;
swp = pte_to_swp_entry(pte);
if (non_swap_entry(swp) && is_migration_entry(swp))
return 1;
else
return 0;
}
static int is_hugetlb_entry_hwpoisoned(pte_t pte)
{
swp_entry_t swp;
if (huge_pte_none(pte) || pte_present(pte))
return 0;
swp = pte_to_swp_entry(pte);
if (non_swap_entry(swp) && is_hwpoison_entry(swp))
return 1;
else
return 0;
}
void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
unsigned long start, unsigned long end,
struct page *ref_page)

5
mm/memcontrol.c
View File

@@ -2502,8 +2502,9 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm,
* in system level. So, allow to go ahead dying process in addition to
* MEMDIE process.
*/
if (unlikely(test_thread_flag(TIF_MEMDIE)
|| fatal_signal_pending(current)))
if (unlikely(test_thread_flag(TIF_MEMDIE) ||
fatal_signal_pending(current) ||
current->flags & PF_EXITING))
goto bypass;
/*

25
mm/memory-failure.c
View File

@@ -208,9 +208,9 @@ static int kill_proc(struct task_struct *t, unsigned long addr, int trapno,
#endif
si.si_addr_lsb = compound_trans_order(compound_head(page)) + PAGE_SHIFT;
if ((flags & MF_ACTION_REQUIRED) && t == current) {
if ((flags & MF_ACTION_REQUIRED) && t->mm == current->mm) {
si.si_code = BUS_MCEERR_AR;
ret = force_sig_info(SIGBUS, &si, t);
ret = force_sig_info(SIGBUS, &si, current);
} else {
/*
* Don't use force here, it's convenient if the signal
@@ -382,10 +382,12 @@ static void kill_procs(struct list_head *to_kill, int forcekill, int trapno,
}
}
static int task_early_kill(struct task_struct *tsk)
static int task_early_kill(struct task_struct *tsk, int force_early)
{
if (!tsk->mm)
return 0;
if (force_early)
return 1;
if (tsk->flags & PF_MCE_PROCESS)
return !!(tsk->flags & PF_MCE_EARLY);
return sysctl_memory_failure_early_kill;
@@ -395,7 +397,7 @@ static int task_early_kill(struct task_struct *tsk)
* Collect processes when the error hit an anonymous page.
*/
static void collect_procs_anon(struct page *page, struct list_head *to_kill,
struct to_kill **tkc)
struct to_kill **tkc, int force_early)
{
struct vm_area_struct *vma;
struct task_struct *tsk;
@@ -411,7 +413,7 @@ static void collect_procs_anon(struct page *page, struct list_head *to_kill,
for_each_process (tsk) {
struct anon_vma_chain *vmac;
if (!task_early_kill(tsk))
if (!task_early_kill(tsk, force_early))
continue;
anon_vma_interval_tree_foreach(vmac, &av->rb_root,
pgoff, pgoff) {
@@ -430,7 +432,7 @@ static void collect_procs_anon(struct page *page, struct list_head *to_kill,
* Collect processes when the error hit a file mapped page.
*/
static void collect_procs_file(struct page *page, struct list_head *to_kill,
struct to_kill **tkc)
struct to_kill **tkc, int force_early)
{
struct vm_area_struct *vma;
struct task_struct *tsk;
@@ -441,7 +443,7 @@ static void collect_procs_file(struct page *page, struct list_head *to_kill,
for_each_process(tsk) {
pgoff_t pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);
if (!task_early_kill(tsk))
if (!task_early_kill(tsk, force_early))
continue;
vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff,
@@ -467,7 +469,8 @@ static void collect_procs_file(struct page *page, struct list_head *to_kill,
* First preallocate one tokill structure outside the spin locks,
* so that we can kill at least one process reasonably reliable.
*/
static void collect_procs(struct page *page, struct list_head *tokill)
static void collect_procs(struct page *page, struct list_head *tokill,
int force_early)
{
struct to_kill *tk;
@@ -478,9 +481,9 @@ static void collect_procs(struct page *page, struct list_head *tokill)
if (!tk)
return;
if (PageAnon(page))
collect_procs_anon(page, tokill, &tk);
collect_procs_anon(page, tokill, &tk, force_early);
else
collect_procs_file(page, tokill, &tk);
collect_procs_file(page, tokill, &tk, force_early);
kfree(tk);
}
@@ -950,7 +953,7 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn,
* there's nothing that can be done.
*/
if (kill)
collect_procs(ppage, &tokill);
collect_procs(ppage, &tokill, flags & MF_ACTION_REQUIRED);
if (hpage != ppage)
lock_page(ppage);

44
mm/mempolicy.c
View File

@@ -621,19 +621,18 @@ static unsigned long change_prot_numa(struct vm_area_struct *vma,
* If pagelist != NULL then isolate pages from the LRU and
* put them on the pagelist.
*/
static struct vm_area_struct *
static int
check_range(struct mm_struct *mm, unsigned long start, unsigned long end,
const nodemask_t *nodes, unsigned long flags, void *private)
{
int err;
struct vm_area_struct *first, *vma, *prev;
int err = 0;
struct vm_area_struct *vma, *prev;
first = find_vma(mm, start);
if (!first)
return ERR_PTR(-EFAULT);
vma = find_vma(mm, start);
if (!vma)
return -EFAULT;
prev = NULL;
for (vma = first; vma && vma->vm_start < end; vma = vma->vm_next) {
for (; vma && vma->vm_start < end; vma = vma->vm_next) {
unsigned long endvma = vma->vm_end;
if (endvma > end)
@@ -643,9 +642,9 @@ check_range(struct mm_struct *mm, unsigned long start, unsigned long end,
if (!(flags & MPOL_MF_DISCONTIG_OK)) {
if (!vma->vm_next && vma->vm_end < end)
return ERR_PTR(-EFAULT);
return -EFAULT;
if (prev && prev->vm_end < vma->vm_start)
return ERR_PTR(-EFAULT);
return -EFAULT;
}
if (is_vm_hugetlb_page(vma))
@@ -662,15 +661,13 @@ check_range(struct mm_struct *mm, unsigned long start, unsigned long end,
err = check_pgd_range(vma, start, endvma, nodes,
flags, private);
if (err) {
first = ERR_PTR(err);
if (err)
break;
}
}
next:
prev = vma;
}
return first;
return err;
}
/*
@@ -1152,16 +1149,17 @@ out:
/*
* Allocate a new page for page migration based on vma policy.
* Start assuming that page is mapped by vma pointed to by @private.
* Start by assuming the page is mapped by the same vma as contains @start.
* Search forward from there, if not. N.B., this assumes that the
* list of pages handed to migrate_pages()--which is how we get here--
* is in virtual address order.
*/
static struct page *new_vma_page(struct page *page, unsigned long private, int **x)
static struct page *new_page(struct page *page, unsigned long start, int **x)
{
struct vm_area_struct *vma = (struct vm_area_struct *)private;
struct vm_area_struct *vma;
unsigned long uninitialized_var(address);
vma = find_vma(current->mm, start);
while (vma) {
address = page_address_in_vma(page, vma);
if (address != -EFAULT)
@@ -1187,7 +1185,7 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
return -ENOSYS;
}
static struct page *new_vma_page(struct page *page, unsigned long private, int **x)
static struct page *new_page(struct page *page, unsigned long start, int **x)
{
return NULL;
}
@@ -1197,7 +1195,6 @@ static long do_mbind(unsigned long start, unsigned long len,
unsigned short mode, unsigned short mode_flags,
nodemask_t *nmask, unsigned long flags)
{
struct vm_area_struct *vma;
struct mm_struct *mm = current->mm;
struct mempolicy *new;
unsigned long end;
@@ -1263,11 +1260,9 @@ static long do_mbind(unsigned long start, unsigned long len,
if (err)
goto mpol_out;
vma = check_range(mm, start, end, nmask,
err = check_range(mm, start, end, nmask,
flags | MPOL_MF_INVERT, &pagelist);
err = PTR_ERR(vma); /* maybe ... */
if (!IS_ERR(vma))
if (!err)
err = mbind_range(mm, start, end, new);
if (!err) {
@@ -1275,8 +1270,7 @@ static long do_mbind(unsigned long start, unsigned long len,
if (!list_empty(&pagelist)) {
WARN_ON_ONCE(flags & MPOL_MF_LAZY);
nr_failed = migrate_pages(&pagelist, new_vma_page,
(unsigned long)vma,
nr_failed = migrate_pages(&pagelist, new_page, start,
false, MIGRATE_SYNC,
MR_MEMPOLICY_MBIND);
if (nr_failed)

51
mm/page_alloc.c
View File

@@ -5613,54 +5613,65 @@ static inline int pfn_to_bitidx(struct zone *zone, unsigned long pfn)
* @end_bitidx: The last bit of interest
* returns pageblock_bits flags
*/
unsigned long get_pageblock_flags_group(struct page *page,
int start_bitidx, int end_bitidx)
unsigned long get_pageblock_flags_mask(struct page *page,
unsigned long end_bitidx,
unsigned long mask)
{
struct zone *zone;
unsigned long *bitmap;
unsigned long pfn, bitidx;
unsigned long flags = 0;
unsigned long value = 1;
unsigned long pfn, bitidx, word_bitidx;
unsigned long word;
zone = page_zone(page);
pfn = page_to_pfn(page);
bitmap = get_pageblock_bitmap(zone, pfn);
bitidx = pfn_to_bitidx(zone, pfn);
word_bitidx = bitidx / BITS_PER_LONG;
bitidx &= (BITS_PER_LONG-1);
for (; start_bitidx <= end_bitidx; start_bitidx++, value <<= 1)
if (test_bit(bitidx + start_bitidx, bitmap))
flags |= value;
return flags;
word = bitmap[word_bitidx];
bitidx += end_bitidx;
return (word >> (BITS_PER_LONG - bitidx - 1)) & mask;
}
/**
* set_pageblock_flags_group - Set the requested group of flags for a pageblock_nr_pages block of pages
* set_pageblock_flags_mask - Set the requested group of flags for a pageblock_nr_pages block of pages
* @page: The page within the block of interest
* @start_bitidx: The first bit of interest
* @end_bitidx: The last bit of interest
* @flags: The flags to set
*/
void set_pageblock_flags_group(struct page *page, unsigned long flags,
int start_bitidx, int end_bitidx)
void set_pageblock_flags_mask(struct page *page, unsigned long flags,
unsigned long end_bitidx,
unsigned long mask)
{
struct zone *zone;
unsigned long *bitmap;
unsigned long pfn, bitidx;
unsigned long value = 1;
unsigned long pfn, bitidx, word_bitidx;
unsigned long old_word, word;
BUILD_BUG_ON(NR_PAGEBLOCK_BITS != 4);
zone = page_zone(page);
pfn = page_to_pfn(page);
bitmap = get_pageblock_bitmap(zone, pfn);
bitidx = pfn_to_bitidx(zone, pfn);
word_bitidx = bitidx / BITS_PER_LONG;
bitidx &= (BITS_PER_LONG-1);
VM_BUG_ON(pfn < zone->zone_start_pfn);
VM_BUG_ON(pfn >= zone->zone_start_pfn + zone->spanned_pages);
for (; start_bitidx <= end_bitidx; start_bitidx++, value <<= 1)
if (flags & value)
__set_bit(bitidx + start_bitidx, bitmap);
else
__clear_bit(bitidx + start_bitidx, bitmap);
bitidx += end_bitidx;
mask <<= (BITS_PER_LONG - bitidx - 1);
flags <<= (BITS_PER_LONG - bitidx - 1);
word = ACCESS_ONCE(bitmap[word_bitidx]);
for (;;) {
old_word = cmpxchg(&bitmap[word_bitidx], word, (word & ~mask) | flags);
if (word == old_word)
break;
word = old_word;
}
}
/*

8
mm/rmap.c
View File

@@ -103,6 +103,7 @@ static inline void anon_vma_free(struct anon_vma *anon_vma)
* LOCK should suffice since the actual taking of the lock must
* happen _before_ what follows.
*/
might_sleep();
if (rwsem_is_locked(&anon_vma->root->rwsem)) {
anon_vma_lock_write(anon_vma);
anon_vma_unlock_write(anon_vma);
@@ -426,8 +427,9 @@ struct anon_vma *page_get_anon_vma(struct page *page)
* above cannot corrupt).
*/
if (!page_mapped(page)) {
rcu_read_unlock();
put_anon_vma(anon_vma);
anon_vma = NULL;
return NULL;
}
out:
rcu_read_unlock();
@@ -477,9 +479,9 @@ struct anon_vma *page_lock_anon_vma_read(struct page *page)
}
if (!page_mapped(page)) {
rcu_read_unlock();
put_anon_vma(anon_vma);
anon_vma = NULL;
goto out;
return NULL;
}
/* we pinned the anon_vma, its safe to sleep */

46
mm/vmscan.c
View File

@@ -2226,10 +2226,17 @@ static bool pfmemalloc_watermark_ok(pg_data_t *pgdat)
for (i = 0; i <= ZONE_NORMAL; i++) {
zone = &pgdat->node_zones[i];
if (!populated_zone(zone))
continue;
pfmemalloc_reserve += min_wmark_pages(zone);
free_pages += zone_page_state(zone, NR_FREE_PAGES);
}
/* If there are no reserves (unexpected config) then do not throttle */
if (!pfmemalloc_reserve)
return true;
wmark_ok = free_pages > pfmemalloc_reserve / 2;
/* kswapd must be awake if processes are being throttled */
@@ -2254,9 +2261,9 @@ static bool pfmemalloc_watermark_ok(pg_data_t *pgdat)
static bool throttle_direct_reclaim(gfp_t gfp_mask, struct zonelist *zonelist,
nodemask_t *nodemask)
{
struct zoneref *z;
struct zone *zone;
int high_zoneidx = gfp_zone(gfp_mask);
pg_data_t *pgdat;
pg_data_t *pgdat = NULL;
/*
* Kernel threads should not be throttled as they may be indirectly
@@ -2275,10 +2282,34 @@ static bool throttle_direct_reclaim(gfp_t gfp_mask, struct zonelist *zonelist,
if (fatal_signal_pending(current))
goto out;
/* Check if the pfmemalloc reserves are ok */
first_zones_zonelist(zonelist, high_zoneidx, NULL, &zone);
pgdat = zone->zone_pgdat;
if (pfmemalloc_watermark_ok(pgdat))
/*
* Check if the pfmemalloc reserves are ok by finding the first node
* with a usable ZONE_NORMAL or lower zone. The expectation is that
* GFP_KERNEL will be required for allocating network buffers when
* swapping over the network so ZONE_HIGHMEM is unusable.
*
* Throttling is based on the first usable node and throttled processes
* wait on a queue until kswapd makes progress and wakes them. There
* is an affinity then between processes waking up and where reclaim
* progress has been made assuming the process wakes on the same node.
* More importantly, processes running on remote nodes will not compete
* for remote pfmemalloc reserves and processes on different nodes
* should make reasonable progress.
*/
for_each_zone_zonelist_nodemask(zone, z, zonelist,
gfp_mask, nodemask) {
if (zone_idx(zone) > ZONE_NORMAL)
continue;
/* Throttle based on the first usable node */
pgdat = zone->zone_pgdat;
if (pfmemalloc_watermark_ok(pgdat))
goto out;
break;
}
/* If no zone was usable by the allocation flags then do not throttle */
if (!pgdat)
goto out;
/* Account for the throttling */
@@ -3025,7 +3056,10 @@ static int kswapd(void *p)
}
}
tsk->flags &= ~(PF_MEMALLOC | PF_SWAPWRITE | PF_KSWAPD);
current->reclaim_state = NULL;
lockdep_clear_current_reclaim_state();
return 0;
}

11
net/bluetooth/hci_conn.c
View File

@@ -643,14 +643,17 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
struct hci_cp_auth_requested cp;
/* encrypt must be pending if auth is also pending */
set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
cp.handle = cpu_to_le16(conn->handle);
hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
sizeof(cp), &cp);
if (conn->key_type != 0xff)
/* If we're already encrypted set the REAUTH_PEND flag,
* otherwise set the ENCRYPT_PEND.
*/
if (conn->link_mode & HCI_LM_ENCRYPT)
set_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
else
set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
}
return 0;

11
net/bluetooth/hci_event.c
View File

@@ -55,6 +55,10 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
hci_dev_lock(hdev);
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
hci_dev_unlock(hdev);
hci_conn_check_pending(hdev);
}
@@ -3573,8 +3577,11 @@ static void hci_user_confirm_request_evt(struct hci_dev *hdev,
/* If we're not the initiators request authorization to
* proceed from user space (mgmt_user_confirm with
* confirm_hint set to 1). */
if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
* confirm_hint set to 1). The exception is if neither
* side had MITM in which case we do auto-accept.
*/
if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
(loc_mitm || rem_mitm)) {
BT_DBG("Confirming auto-accept as acceptor");
confirm_hint = 1;
goto confirm;

10
net/bluetooth/l2cap_sock.c
View File

@@ -625,11 +625,6 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
/*change security for LE channels */
if (chan->scid == L2CAP_CID_LE_DATA) {
if (!conn->hcon->out) {
err = -EINVAL;
break;
}
if (smp_conn_security(conn->hcon, sec.level))
break;
sk->sk_state = BT_CONFIG;
@@ -943,13 +938,16 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan)
/* Check for backlog size */
if (sk_acceptq_is_full(parent)) {
BT_DBG("backlog full %d", parent->sk_ack_backlog);
release_sock(parent);
return NULL;
}
sk = l2cap_sock_alloc(sock_net(parent), NULL, BTPROTO_L2CAP,
GFP_ATOMIC);
if (!sk)
if (!sk) {
release_sock(parent);
return NULL;
}
bt_sock_reclassify_lock(sk, BTPROTO_L2CAP);

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