shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 10:58:48 +09:00
Code Issues Packages Projects Releases Wiki Activity

Merge tag 'ASB-2021-06-05_4.19-stable' of https://android.googlesource.com/kernel/common

Browse Source 
https://source.android.com/security/bulletin/2021-06-01
CVE-2020-14305
CVE-2020-14381
CVE-2021-0512
CVE-2021-3347

* tag 'ASB-2021-06-05_4.19-stable': (1641 commits)
  Linux 4.19.193
  usb: core: reduce power-on-good delay time of root hub
  net: hns3: check the return of skb_checksum_help()
  drivers/net/ethernet: clean up unused assignments
  hugetlbfs: hugetlb_fault_mutex_hash() cleanup
  MIPS: ralink: export rt_sysc_membase for rt2880_wdt.c
  MIPS: alchemy: xxs1500: add gpio-au1000.h header file
  sch_dsmark: fix a NULL deref in qdisc_reset()
  ipv6: record frag_max_size in atomic fragments in input path
  scsi: libsas: Use _safe() loop in sas_resume_port()
  ixgbe: fix large MTU request from VF
  bpf: Set mac_len in bpf_skb_change_head
  ASoC: cs35l33: fix an error code in probe()
  staging: emxx_udc: fix loop in _nbu2ss_nuke()
  mld: fix panic in mld_newpack()
  net: bnx2: Fix error return code in bnx2_init_board()
  openvswitch: meter: fix race when getting now_ms.
  net: mdio: octeon: Fix some double free issues
  net: mdio: thunder: Fix a double free issue in the .remove function
  net: fec: fix the potential memory leak in fec_enet_init()
  ...

Change-Id: If547ecdc8654e01ea17afea2ff2dd546f7a495d2

Conflicts:
	drivers/media/i2c/ov5670.c
	drivers/mmc/core/mmc_ops.c
	drivers/regulator/core.c
	drivers/usb/dwc3/gadget.c
	drivers/usb/gadget/function/f_uac1.c
	drivers/usb/gadget/function/f_uvc.c
This commit is contained in:
Tao Huang
2021-06-11 21:31:21 +08:00
parent d42add27c8 ea6ea821c5
commit 6d247974f8
1475 changed files with 43513 additions and 39222 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/net/btusb.txt
View File

@@ -35,7 +35,7 @@ Following example uses irq pin number 3 of gpio0 for out of band wake-on-bt:
compatible = "usb1286,204e";
reg = <1>;
interrupt-parent = <&gpio0>;
interrupt-name = "wakeup";
interrupt-names = "wakeup";
interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
};
};

2
Documentation/filesystems/OWNERS Normal file
View File

@@ -0,0 +1,2 @@
# include OWNERS from the authoritative android-mainline branch
include kernel/common:android-mainline:/Documentation/filesystems/OWNERS

68
Documentation/filesystems/fsverity.rst
View File

@@ -27,9 +27,9 @@ automatically verified against the file's Merkle tree. Reads of any
corrupted data, including mmap reads, will fail.
Userspace can use another ioctl to retrieve the root hash (actually
the "file measurement", which is a hash that includes the root hash)
that fs-verity is enforcing for the file. This ioctl executes in
constant time, regardless of the file size.
the "fs-verity file digest", which is a hash that includes the Merkle
tree root hash) that fs-verity is enforcing for the file. This ioctl
executes in constant time, regardless of the file size.
fs-verity is essentially a way to hash a file in constant time,
subject to the caveat that reads which would violate the hash will
@@ -177,9 +177,10 @@ FS_IOC_ENABLE_VERITY can fail with the following errors:
FS_IOC_MEASURE_VERITY
---------------------
The FS_IOC_MEASURE_VERITY ioctl retrieves the measurement of a verity
file. The file measurement is a digest that cryptographically
identifies the file contents that are being enforced on reads.
The FS_IOC_MEASURE_VERITY ioctl retrieves the digest of a verity file.
The fs-verity file digest is a cryptographic digest that identifies
the file contents that are being enforced on reads; it is computed via
a Merkle tree and is different from a traditional full-file digest.
This ioctl takes in a pointer to a variable-length structure::
@@ -197,7 +198,7 @@ On success, 0 is returned and the kernel fills in the structure as
follows:
- ``digest_algorithm`` will be the hash algorithm used for the file
measurement. It will match ``fsverity_enable_arg::hash_algorithm``.
digest. It will match ``fsverity_enable_arg::hash_algorithm``.
- ``digest_size`` will be the size of the digest in bytes, e.g. 32
for SHA-256. (This can be redundant with ``digest_algorithm``.)
- ``digest`` will be the actual bytes of the digest.
@@ -257,25 +258,24 @@ non-verity one, with the following exceptions:
with EIO (for read()) or SIGBUS (for mmap() reads).
- If the sysctl "fs.verity.require_signatures" is set to 1 and the
file's verity measurement is not signed by a key in the fs-verity
keyring, then opening the file will fail. See `Built-in signature
verification`_.
file is not signed by a key in the fs-verity keyring, then opening
the file will fail. See `Built-in signature verification`_.
Direct access to the Merkle tree is not supported. Therefore, if a
verity file is copied, or is backed up and restored, then it will lose
its "verity"-ness. fs-verity is primarily meant for files like
executables that are managed by a package manager.
File measurement computation
============================
File digest computation
=======================
This section describes how fs-verity hashes the file contents using a
Merkle tree to produce the "file measurement" which cryptographically
identifies the file contents. This algorithm is the same for all
filesystems that support fs-verity.
Merkle tree to produce the digest which cryptographically identifies
the file contents. This algorithm is the same for all filesystems
that support fs-verity.
Userspace only needs to be aware of this algorithm if it needs to
compute the file measurement itself, e.g. in order to sign the file.
compute fs-verity file digests itself, e.g. in order to sign files.
.. _fsverity_merkle_tree:
@@ -325,26 +325,22 @@ can't a distinguish a large file from a small second file whose data
is exactly the top-level hash block of the first file. Ambiguities
also arise from the convention of padding to the next block boundary.
To solve this problem, the verity file measurement is actually
computed as a hash of the following structure, which contains the
Merkle tree root hash as well as other fields such as the file size::
To solve this problem, the fs-verity file digest is actually computed
as a hash of the following structure, which contains the Merkle tree
root hash as well as other fields such as the file size::
struct fsverity_descriptor {
__u8 version; /* must be 1 */
__u8 hash_algorithm; /* Merkle tree hash algorithm */
__u8 log_blocksize; /* log2 of size of data and tree blocks */
__u8 salt_size; /* size of salt in bytes; 0 if none */
__le32 sig_size; /* must be 0 */
__le32 __reserved_0x04; /* must be 0 */
__le64 data_size; /* size of file the Merkle tree is built over */
__u8 root_hash[64]; /* Merkle tree root hash */
__u8 salt[32]; /* salt prepended to each hashed block */
__u8 __reserved[144]; /* must be 0's */
};
Note that the ``sig_size`` field must be set to 0 for the purpose of
computing the file measurement, even if a signature was provided (or
will be provided) to `FS_IOC_ENABLE_VERITY`_.
Built-in signature verification
===============================
@@ -359,20 +355,20 @@ kernel. Specifically, it adds support for:
certificates from being added.
2. `FS_IOC_ENABLE_VERITY`_ accepts a pointer to a PKCS#7 formatted
detached signature in DER format of the file measurement. On
success, this signature is persisted alongside the Merkle tree.
detached signature in DER format of the file's fs-verity digest.
On success, this signature is persisted alongside the Merkle tree.
Then, any time the file is opened, the kernel will verify the
file's actual measurement against this signature, using the
certificates in the ".fs-verity" keyring.
file's actual digest against this signature, using the certificates
in the ".fs-verity" keyring.
3. A new sysctl "fs.verity.require_signatures" is made available.
When set to 1, the kernel requires that all verity files have a
correctly signed file measurement as described in (2).
correctly signed digest as described in (2).
File measurements must be signed in the following format, which is
similar to the structure used by `FS_IOC_MEASURE_VERITY`_::
fs-verity file digests must be signed in the following format, which
is similar to the structure used by `FS_IOC_MEASURE_VERITY`_::
struct fsverity_signed_digest {
struct fsverity_formatted_digest {
char magic[8]; /* must be "FSVerity" */
__le16 digest_algorithm;
__le16 digest_size;
@@ -421,8 +417,8 @@ can only be set by `FS_IOC_ENABLE_VERITY`_, and it cannot be cleared.
ext4 also supports encryption, which can be used simultaneously with
fs-verity. In this case, the plaintext data is verified rather than
the ciphertext. This is necessary in order to make the file
measurement meaningful, since every file is encrypted differently.
the ciphertext. This is necessary in order to make the fs-verity file
digest meaningful, since every file is encrypted differently.
ext4 stores the verity metadata (Merkle tree and fsverity_descriptor)
past the end of the file, starting at the first 64K boundary beyond
@@ -592,8 +588,8 @@ weren't already directly answered in other parts of this document.
:Q: Isn't fs-verity useless because the attacker can just modify the
hashes in the Merkle tree, which is stored on-disk?
:A: To verify the authenticity of an fs-verity file you must verify
the authenticity of the "file measurement", which is basically the
root hash of the Merkle tree. See `Use cases`_.
the authenticity of the "fs-verity file digest", which
incorporates the root hash of the Merkle tree. See `Use cases`_.
:Q: Isn't fs-verity useless because the attacker can just replace a
verity file with a non-verity one?

6
Documentation/filesystems/seq_file.txt
View File

@@ -192,6 +192,12 @@ between the calls to start() and stop(), so holding a lock during that time
is a reasonable thing to do. The seq_file code will also avoid taking any
other locks while the iterator is active.
The iterater value returned by start() or next() is guaranteed to be
passed to a subsequent next() or stop() call. This allows resources
such as locks that were taken to be reliably released. There is *no*
guarantee that the iterator will be passed to show(), though in practice
it often will be.
Formatted output

8
Documentation/filesystems/sysfs.txt
View File

@@ -211,12 +211,10 @@ Other notes:
is 4096.
- show() methods should return the number of bytes printed into the
buffer. This is the return value of scnprintf().
buffer.
- show() must not use snprintf() when formatting the value to be
returned to user space. If you can guarantee that an overflow
will never happen you can use sprintf() otherwise you must use
scnprintf().
- show() should only use sysfs_emit() or sysfs_emit_at() when formatting
the value to be returned to user space.
- store() should return the number of bytes used from the buffer. If the
entire buffer has been used, just return the count argument.

2
Documentation/sphinx/parse-headers.pl
View File

@@ -1,4 +1,4 @@
#!/usr/bin/perl
#!/usr/bin/env perl
use strict;
use Text::Tabs;
use Getopt::Long;

2
Documentation/target/tcm_mod_builder.py
View File

@@ -1,4 +1,4 @@
#!/usr/bin/python
#!/usr/bin/env python
# The TCM v4 multi-protocol fabric module generation script for drivers/target/$NEW_MOD
#
# Copyright (c) 2010 Rising Tide Systems

2
Documentation/trace/postprocess/decode_msr.py
View File

@@ -1,4 +1,4 @@
#!/usr/bin/python
#!/usr/bin/env python
# add symbolic names to read_msr / write_msr in trace
# decode_msr msr-index.h < trace
import sys

2
Documentation/trace/postprocess/trace-pagealloc-postprocess.pl
View File

@@ -1,4 +1,4 @@
#!/usr/bin/perl
#!/usr/bin/env perl
# This is a POC (proof of concept or piece of crap, take your pick) for reading the
# text representation of trace output related to page allocation. It makes an attempt
# to extract some high-level information on what is going on. The accuracy of the parser

2
Documentation/trace/postprocess/trace-vmscan-postprocess.pl
View File

@@ -1,4 +1,4 @@
#!/usr/bin/perl
#!/usr/bin/env perl
# This is a POC for reading the text representation of trace output related to
# page reclaim. It makes an attempt to extract some high-level information on
# what is going on. The accuracy of the parser may vary

8
Makefile
View File

@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
SUBLEVEL = 172
SUBLEVEL = 193
EXTRAVERSION =
NAME = "People's Front"
@@ -976,12 +976,6 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init)
# change __FILE__ to the relative path from the srctree
KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
# ensure -fcf-protection is disabled when using retpoline as it is
# incompatible with -mindirect-branch=thunk-extern
ifdef CONFIG_RETPOLINE
KBUILD_CFLAGS += $(call cc-option,-fcf-protection=none)
endif
# use the deterministic mode of AR if available
KBUILD_ARFLAGS := $(call ar-option,D)

2
OWNERS Normal file
View File

@@ -0,0 +1,2 @@
# include OWNERS from the authoritative android-mainline branch
include kernel/common:android-mainline:/OWNERS

61397
android/abi_gki_aarch64.xml
View File

File diff suppressed because it is too large Load Diff

38
android/abi_gki_aarch64_cuttlefish
View File

@@ -22,6 +22,7 @@
complete
__const_udelay
consume_skb
_copy_to_iter
cpu_hwcap_keys
cpu_hwcaps
cpu_number
@@ -89,12 +90,14 @@
__list_add_valid
__list_del_entry_valid
__ll_sc_atomic64_add
__ll_sc_atomic64_add_return
__ll_sc_atomic64_andnot
__ll_sc_atomic64_fetch_or
__ll_sc_atomic64_or
__ll_sc_atomic_add
__ll_sc_atomic_add_return
__ll_sc_atomic_sub_return
__ll_sc___cmpxchg_case_mb_4
__local_bh_enable_ip
lock_sock_nested
memcpy
@@ -104,7 +107,9 @@
misc_deregister
misc_register
mod_timer
__module_get
module_layout
module_put
__msecs_to_jiffies
msleep
__mutex_init
@@ -181,6 +186,7 @@
refcount_dec_and_test_checked
refcount_inc_checked
register_netdev
register_netdevice_notifier
register_virtio_device
register_virtio_driver
release_sock
@@ -229,6 +235,7 @@
trace_seq_printf
__udelay
unregister_netdev
unregister_netdevice_notifier
unregister_netdevice_queue
unregister_virtio_device
unregister_virtio_driver
@@ -301,6 +308,23 @@
pci_for_each_dma_alias
pci_request_acs
# required by dm-user.ko
bio_advance
bio_endio
bio_put
_copy_from_iter
copy_page_from_iter
copy_page_to_iter
dm_register_target
dm_unregister_target
kasprintf
mempool_alloc
mempool_exit
mempool_free
mempool_init
mempool_kfree
mempool_kmalloc
# required by dummy-cpufreq.ko
cpufreq_generic_attr
cpufreq_register_driver
@@ -336,9 +360,7 @@
# required by failover.ko
netdev_master_upper_dev_link
register_netdevice_notifier
rtnl_is_locked
unregister_netdevice_notifier
# required by gnss-cmdline.ko
bus_find_device_by_name
@@ -350,7 +372,6 @@
gnss_insert_raw
gnss_put_device
gnss_register_device
__ll_sc___cmpxchg_case_mb_4
__pm_runtime_disable
serdev_device_close
serdev_device_open
@@ -449,7 +470,6 @@
freezing_slow_path
kernel_kobj
kthread_create_on_node
__ll_sc_atomic64_add_return
__ll_sc_atomic64_sub_return
mod_node_page_state
plist_add
@@ -669,6 +689,7 @@
register_netdevice
rtnl_link_register
rtnl_link_unregister
unregister_netdevice_many
wiphy_free
wiphy_new_nm
wiphy_register
@@ -785,6 +806,7 @@
sync_file_create
sync_file_get_fence
__tracepoint_dma_fence_emit
__tracepoint_gpu_mem_total
ttm_bo_add_to_lru
ttm_bo_del_sub_from_lru
ttm_bo_device_init
@@ -960,16 +982,18 @@
nvdimm_bus_unregister
nvdimm_pmem_region_create
# required by vmw_vsock_virtio_transport.ko
synchronize_rcu
# required by vmw_vsock_virtio_transport_common.ko
bpf_trace_run10
_copy_from_iter_full
_copy_to_iter
# required by vsock.ko
autoremove_wake_function
__module_get
module_put
init_user_ns
nonseekable_open
ns_capable_noaudit
prandom_u32
prepare_to_wait
proto_register

39
android/abi_gki_aarch64_qcom
View File

@@ -699,7 +699,6 @@
printk
print_stack_trace
proc_dointvec
proc_mkdir_data
proto_register
proto_unregister
pskb_expand_head
@@ -1055,7 +1054,6 @@
# required by adsprpc.ko
set_normalized_timespec64
try_wait_for_completion
vfs_statx
# required by arm-memlat-mon.ko
perf_event_create_kernel_counter
@@ -1197,6 +1195,10 @@
# required by cnss_prealloc.ko
save_stack_trace
# required by coresight-clk-amba-placeholder.ko
amba_driver_register
amba_driver_unregister
# required by cpu_isolate.ko
device_online
sched_isolate_cpu
@@ -1331,6 +1333,7 @@
# required by ftm5.ko
ktime_get_coarse_real_ts64
proc_create
proc_mkdir_data
seq_write
# required by google-bms.ko
@@ -1374,10 +1377,12 @@
i2c_put_dma_safe_msg_buf
# required by incrementalfs.ko
__audit_inode_child
__break_lease
clear_inode
__close_fd
d_add
d_delete
d_drop
deactivate_locked_super
dentry_open
@@ -1387,13 +1392,19 @@
down_read_killable
down_write_killable
dput
filemap_fault
filemap_map_pages
filemap_page_mkwrite
flush_dcache_page
fs_kobj
fsnotify
__fsnotify_parent
fsstack_copy_attr_all
__fsverity_verify_signature
generic_file_llseek
generic_file_mmap
generic_file_read_iter
generic_file_splice_read
generic_fillattr
generic_read_dir
generic_shutdown_super
get_zeroed_page
@@ -1401,18 +1412,24 @@
ihold
inode_init_once
inode_init_owner
inode_set_flags
iput
iterate_dir
kernel_read
kernel_write
kern_path
kobject_add
kobject_init
kobj_sysfs_ops
__ll_sc___cmpxchg_case_rel_8
lockref_get
lock_rename
lookup_one_len
LZ4_decompress_safe
match_int
match_strdup
match_token
memchr_inv
noop_llseek
notify_change
override_creds
@@ -1424,11 +1441,12 @@
revert_creds
set_anon_super
sget
simple_getattr
simple_setattr
simple_statfs
strndup_user
sync_filesystem
sysfs_emit
touch_atime
truncate_inode_pages
unlock_new_inode
unlock_page
@@ -1446,6 +1464,7 @@
vfs_rename
vfs_rmdir
vfs_setxattr
vfs_truncate
vfs_unlink
ZSTD_decompressStream
ZSTD_DStreamWorkspaceBound
@@ -1733,6 +1752,7 @@
drm_dp_update_payload_part1
drm_dp_update_payload_part2
drm_edid_duplicate
drm_edid_is_valid
drm_encoder_cleanup
drm_encoder_init
drm_err
@@ -1879,6 +1899,7 @@
shmem_truncate_range
strreplace
timespec64_to_jiffies
tracing_off
unmap_kernel_range
unmap_mapping_range
vm_get_page_prot
@@ -2131,6 +2152,7 @@
rtc_read_time
# required by qpnp-smb5-charger.ko
alarm_expires_remaining
iio_channel_release
# required by qpnp_pdphy.ko
@@ -2141,7 +2163,6 @@
# required by qrtr.ko
alloc_skb_with_frags
datagram_poll
idr_alloc_u32
in_egroup_p
netlink_capable
__radix_tree_insert
@@ -2333,6 +2354,7 @@
proc_dointvec_minmax
proc_dostring
proc_doulongvec_minmax
_proc_mkdir
put_cmsg
rcu_barrier
refcount_add_checked
@@ -2476,6 +2498,9 @@
# required by subsystem-restart.ko
system_state
# required by swr_ctrl_dlkm.ko
pm_runtime_autosuspend_expiration
# required by system_pm.ko
arch_timer_mem_get_cval
@@ -2734,7 +2759,11 @@
# preserved by --additions-only
crc32_le
generic_file_mmap
idr_alloc_u32
simple_getattr
simple_strtoull
soc_find_component
vfs_statx
vm_map_ram
vm_unmap_ram

4
arch/arc/kernel/entry.S
View File

@@ -169,7 +169,7 @@ tracesys:
; Do the Sys Call as we normally would.
; Validate the Sys Call number
cmp r8, NR_syscalls
cmp r8, NR_syscalls - 1
mov.hi r0, -ENOSYS
bhi tracesys_exit
@@ -252,7 +252,7 @@ ENTRY(EV_Trap)
;============ Normal syscall case
; syscall num shd not exceed the total system calls avail
cmp r8, NR_syscalls
cmp r8, NR_syscalls - 1
mov.hi r0, -ENOSYS
bhi .Lret_from_system_call

4
arch/arc/kernel/signal.c
View File

@@ -99,7 +99,7 @@ stash_usr_regs(struct rt_sigframe __user *sf, struct pt_regs *regs,
sizeof(sf->uc.uc_mcontext.regs.scratch));
err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(sigset_t));
return err;
return err ? -EFAULT : 0;
}
static int restore_usr_regs(struct pt_regs *regs, struct rt_sigframe __user *sf)
@@ -113,7 +113,7 @@ static int restore_usr_regs(struct pt_regs *regs, struct rt_sigframe __user *sf)
&(sf->uc.uc_mcontext.regs.scratch),
sizeof(sf->uc.uc_mcontext.regs.scratch));
if (err)
return err;
return -EFAULT;
set_current_blocked(&set);
regs->bta = uregs.scratch.bta;

2
arch/arm/OWNERS Normal file
View File

@@ -0,0 +1,2 @@
# include OWNERS from the authoritative android-mainline branch
include kernel/common:android-mainline:/arch/arm/OWNERS

4
arch/arm/boot/compressed/Makefile
View File

@@ -121,8 +121,8 @@ asflags-y := -DZIMAGE
# Supply kernel BSS size to the decompressor via a linker symbol.
KBSS_SZ = $(shell echo $$(($$($(NM) $(obj)/../../../../vmlinux | \
sed -n -e 's/^\([^ ]*\) [AB] __bss_start$$/-0x\1/p' \
-e 's/^\([^ ]*\) [AB] __bss_stop$$/+0x\1/p') )) )
sed -n -e 's/^\([^ ]*\) [ABD] __bss_start$$/-0x\1/p' \
-e 's/^\([^ ]*\) [ABD] __bss_stop$$/+0x\1/p') )) )
LDFLAGS_vmlinux = --defsym _kernel_bss_size=$(KBSS_SZ)
# Supply ZRELADDR to the decompressor via a linker symbol.
ifneq ($(CONFIG_AUTO_ZRELADDR),y)

4
arch/arm/boot/compressed/head.S
View File

@@ -1092,9 +1092,9 @@ __armv4_mmu_cache_off:
__armv7_mmu_cache_off:
mrc p15, 0, r0, c1, c0
#ifdef CONFIG_MMU
bic r0, r0, #0x000d
bic r0, r0, #0x0005
#else
bic r0, r0, #0x000c
bic r0, r0, #0x0004
#endif
mcr p15, 0, r0, c1, c0 @ turn MMU and cache off
mov r12, lr

3
arch/arm/boot/dts/am33xx.dtsi
View File

@@ -39,6 +39,9 @@
ethernet1 = &cpsw_emac1;
spi0 = &spi0;
spi1 = &spi1;
mmc0 = &mmc1;
mmc1 = &mmc2;
mmc2 = &mmc3;
};
cpus {

1
arch/arm/boot/dts/armada-385-turris-omnia.dts
View File

@@ -236,6 +236,7 @@
status = "okay";
compatible = "ethernet-phy-id0141.0DD1", "ethernet-phy-ieee802.3-c22";
reg = <1>;
marvell,reg-init = <3 18 0 0x4985>;
/* irq is connected to &pcawan pin 7 */
};

28
arch/arm/boot/dts/armada-388-helios4.dts
View File

@@ -70,6 +70,9 @@
system-leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&helios_system_led_pins>;
status-led {
label = "helios4:green:status";
gpios = <&gpio0 24 GPIO_ACTIVE_LOW>;
@@ -86,6 +89,9 @@
io-leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&helios_io_led_pins>;
sata1-led {
label = "helios4:green:ata1";
gpios = <&gpio1 17 GPIO_ACTIVE_LOW>;
@@ -121,11 +127,15 @@
fan1: j10-pwm {
compatible = "pwm-fan";
pwms = <&gpio1 9 40000>; /* Target freq:25 kHz */
pinctrl-names = "default";
pinctrl-0 = <&helios_fan1_pins>;
};
fan2: j17-pwm {
compatible = "pwm-fan";
pwms = <&gpio1 23 40000>; /* Target freq:25 kHz */
pinctrl-names = "default";
pinctrl-0 = <&helios_fan2_pins>;
};
usb2_phy: usb2-phy {
@@ -291,16 +301,22 @@
"mpp39", "mpp40";
marvell,function = "sd0";
};
helios_led_pins: helios-led-pins {
marvell,pins = "mpp24", "mpp25",
"mpp49", "mpp50",
helios_system_led_pins: helios-system-led-pins {
marvell,pins = "mpp24", "mpp25";
marvell,function = "gpio";
};
helios_io_led_pins: helios-io-led-pins {
marvell,pins = "mpp49", "mpp50",
"mpp52", "mpp53",
"mpp54";
marvell,function = "gpio";
};
helios_fan_pins: helios-fan-pins {
marvell,pins = "mpp41", "mpp43",
"mpp48", "mpp55";
helios_fan1_pins: helios_fan1_pins {
marvell,pins = "mpp41", "mpp43";
marvell,function = "gpio";
};
helios_fan2_pins: helios_fan2_pins {
marvell,pins = "mpp48", "mpp55";
marvell,function = "gpio";
};
microsom_spi1_cs_pins: spi1-cs-pins {

1
arch/arm/boot/dts/aspeed-g4.dtsi
View File

@@ -312,6 +312,7 @@
compatible = "aspeed,ast2400-ibt-bmc";
reg = <0xc0 0x18>;
interrupts = <8>;
clocks = <&syscon ASPEED_CLK_GATE_LCLK>;
status = "disabled";
};
};

1
arch/arm/boot/dts/aspeed-g5.dtsi
View File

@@ -372,6 +372,7 @@
compatible = "aspeed,ast2500-ibt-bmc";
reg = <0xc0 0x18>;
interrupts = <8>;
clocks = <&syscon ASPEED_CLK_GATE_LCLK>;
status = "disabled";
};
};

4
arch/arm/boot/dts/at91-sama5d27_som1.dtsi
View File

@@ -67,8 +67,8 @@
pinctrl-0 = <&pinctrl_macb0_default>;
phy-mode = "rmii";
ethernet-phy@0 {
reg = <0x0>;
ethernet-phy@7 {
reg = <0x7>;
interrupt-parent = <&pioA>;
interrupts = <PIN_PD31 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";

2
arch/arm/boot/dts/exynos3250-artik5.dtsi
View File

@@ -68,7 +68,7 @@
s2mps14_pmic@66 {
compatible = "samsung,s2mps14-pmic";
interrupt-parent = <&gpx3>;
interrupts = <5 IRQ_TYPE_NONE>;
interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&s2mps14_irq>;
reg = <0x66>;

2
arch/arm/boot/dts/exynos3250-monk.dts
View File

@@ -188,7 +188,7 @@
s2mps14_pmic@66 {
compatible = "samsung,s2mps14-pmic";
interrupt-parent = <&gpx0>;
interrupts = <7 IRQ_TYPE_NONE>;
interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
reg = <0x66>;
wakeup-source;

2
arch/arm/boot/dts/exynos3250-rinato.dts
View File

@@ -253,7 +253,7 @@
s2mps14_pmic@66 {
compatible = "samsung,s2mps14-pmic";
interrupt-parent = <&gpx0>;
interrupts = <7 IRQ_TYPE_NONE>;
interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
reg = <0x66>;
wakeup-source;

6
arch/arm/boot/dts/exynos4412-midas.dtsi
View File

@@ -139,7 +139,7 @@
max77693@66 {
compatible = "maxim,max77693";
interrupt-parent = <&gpx1>;
interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&max77693_irq>;
reg = <0x66>;
@@ -187,7 +187,7 @@
max77693-fuel-gauge@36 {
compatible = "maxim,max17047";
interrupt-parent = <&gpx2>;
interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&max77693_fuel_irq>;
reg = <0x36>;
@@ -579,7 +579,7 @@
max77686: max77686_pmic@9 {
compatible = "maxim,max77686";
interrupt-parent = <&gpx0>;
interrupts = <7 IRQ_TYPE_NONE>;
interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
pinctrl-0 = <&max77686_irq>;
pinctrl-names = "default";
reg = <0x09>;

2
arch/arm/boot/dts/exynos4412-odroid-common.dtsi
View File

@@ -265,7 +265,7 @@
max77686: pmic@9 {
compatible = "maxim,max77686";
interrupt-parent = <&gpx3>;
interrupts = <2 IRQ_TYPE_NONE>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&max77686_irq>;
reg = <0x09>;

2
arch/arm/boot/dts/exynos5250-smdk5250.dts
View File

@@ -132,7 +132,7 @@
compatible = "maxim,max77686";
reg = <0x09>;
interrupt-parent = <&gpx3>;
interrupts = <2 IRQ_TYPE_NONE>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&max77686_irq>;
wakeup-source;

2
arch/arm/boot/dts/exynos5250-snow-common.dtsi
View File

@@ -292,7 +292,7 @@
max77686: max77686@9 {
compatible = "maxim,max77686";
interrupt-parent = <&gpx3>;
interrupts = <2 IRQ_TYPE_NONE>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&max77686_irq>;
wakeup-source;

2
arch/arm/boot/dts/exynos5250-spring.dts
View File

@@ -108,7 +108,7 @@
compatible = "samsung,s5m8767-pmic";
reg = <0x66>;
interrupt-parent = <&gpx3>;
interrupts = <2 IRQ_TYPE_NONE>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
wakeup-source;

2
arch/arm/boot/dts/exynos5420-arndale-octa.dts
View File

@@ -84,7 +84,7 @@
reg = <0x66>;
interrupt-parent = <&gpx3>;
interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&s2mps11_irq>;

2
arch/arm/boot/dts/exynos5422-odroid-core.dtsi
View File

@@ -136,7 +136,7 @@
samsung,s2mps11-acokb-ground;
interrupt-parent = <&gpx0>;
interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&s2mps11_irq>;

2
arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
View File

@@ -278,7 +278,7 @@
/* VDD_AUD_1P8: Audio codec */
reg_aud_1p8v: ldo3 {
regulator-name = "vdd1p8";
regulator-name = "vdd1p8a";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;

2
arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
View File

@@ -423,6 +423,7 @@
pinctrl-0 = <&pinctrl_usdhc2>;
cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
vmmc-supply = <&vdd_sd1_reg>;
status = "disabled";
};
@@ -432,5 +433,6 @@
&pinctrl_usdhc3_cdwp>;
cd-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>;
vmmc-supply = <&vdd_sd0_reg>;
status = "disabled";
};

3
arch/arm/boot/dts/lpc32xx.dtsi
View File

@@ -323,9 +323,6 @@
clocks = <&xtal_32k>, <&xtal>;
clock-names = "xtal_32k", "xtal";
assigned-clocks = <&clk LPC32XX_CLK_HCLK_PLL>;
assigned-clock-rates = <208000000>;
};
};

3
arch/arm/boot/dts/omap3.dtsi
View File

@@ -23,6 +23,9 @@
i2c0 = &i2c1;
i2c1 = &i2c2;
i2c2 = &i2c3;
mmc0 = &mmc1;
mmc1 = &mmc2;
mmc2 = &mmc3;
serial0 = &uart1;
serial1 = &uart2;
serial2 = &uart3;

5
arch/arm/boot/dts/omap4.dtsi
View File

@@ -25,6 +25,11 @@
i2c1 = &i2c2;
i2c2 = &i2c3;
i2c3 = &i2c4;
mmc0 = &mmc1;
mmc1 = &mmc2;
mmc2 = &mmc3;
mmc3 = &mmc4;
mmc4 = &mmc5;
serial0 = &uart1;
serial1 = &uart2;
serial2 = &uart3;

2
arch/arm/boot/dts/omap443x.dtsi
View File

@@ -33,10 +33,12 @@
};
ocp {
/* 4430 has only gpio_86 tshut and no talert interrupt */
bandgap: bandgap@4a002260 {
reg = <0x4a002260 0x4
0x4a00232C 0x4>;
compatible = "ti,omap4430-bandgap";
gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>;
#thermal-sensor-cells = <0>;
};

8
arch/arm/boot/dts/omap44xx-clocks.dtsi
View File

@@ -773,14 +773,6 @@
ti,max-div = <2>;
};
sha2md5_fck: sha2md5_fck@15c8 {
#clock-cells = <0>;
compatible = "ti,gate-clock";
clocks = <&l3_div_ck>;
ti,bit-shift = <1>;
reg = <0x15c8>;
};
usb_phy_cm_clk32k: usb_phy_cm_clk32k@640 {
#clock-cells = <0>;
compatible = "ti,gate-clock";

5
arch/arm/boot/dts/omap5.dtsi
View File

@@ -26,6 +26,11 @@
i2c2 = &i2c3;
i2c3 = &i2c4;
i2c4 = &i2c5;
mmc0 = &mmc1;
mmc1 = &mmc2;
mmc2 = &mmc3;
mmc3 = &mmc4;
mmc4 = &mmc5;
serial0 = &uart1;
serial1 = &uart2;
serial2 = &uart3;

2
arch/arm/boot/dts/uniphier-pxs2.dtsi
View File

@@ -513,7 +513,7 @@
clocks = <&sys_clk 6>;
reset-names = "ether";
resets = <&sys_rst 6>;
phy-mode = "rgmii";
phy-mode = "rgmii-id";
local-mac-address = [00 00 00 00 00 00];
socionext,syscon-phy-mode = <&soc_glue 0>;

12
arch/arm/include/asm/kexec-internal.h Normal file
View File

@@ -0,0 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ARM_KEXEC_INTERNAL_H
#define _ARM_KEXEC_INTERNAL_H
struct kexec_relocate_data {
unsigned long kexec_start_address;
unsigned long kexec_indirection_page;
unsigned long kexec_mach_type;
unsigned long kexec_r2;
};
#endif

1
arch/arm/include/asm/kvm_host.h
View File

@@ -303,6 +303,7 @@ static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {}
static inline void kvm_arm_init_debug(void) {}
static inline void kvm_arm_vcpu_init_debug(struct kvm_vcpu *vcpu) {}
static inline void kvm_arm_setup_debug(struct kvm_vcpu *vcpu) {}
static inline void kvm_arm_clear_debug(struct kvm_vcpu *vcpu) {}
static inline void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu) {}

8
arch/arm/kernel/asm-offsets.c
View File

@@ -18,6 +18,7 @@
#include <linux/kvm_host.h>
#endif
#include <asm/cacheflush.h>
#include <asm/kexec-internal.h>
#include <asm/glue-df.h>
#include <asm/glue-pf.h>
#include <asm/mach/arch.h>
@@ -29,6 +30,7 @@
#include <asm/vdso_datapage.h>
#include <asm/hardware/cache-l2x0.h>
#include <linux/kbuild.h>
#include <linux/arm-smccc.h>
#include "signal.h"
/*
@@ -158,6 +160,8 @@ int main(void)
DEFINE(SLEEP_SAVE_SP_PHYS, offsetof(struct sleep_save_sp, save_ptr_stash_phys));
DEFINE(SLEEP_SAVE_SP_VIRT, offsetof(struct sleep_save_sp, save_ptr_stash));
#endif
DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id));
DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state));
BLANK();
DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL);
DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE);
@@ -189,5 +193,9 @@ int main(void)
DEFINE(MPU_RGN_PRBAR, offsetof(struct mpu_rgn, prbar));
DEFINE(MPU_RGN_PRLAR, offsetof(struct mpu_rgn, prlar));
#endif
DEFINE(KEXEC_START_ADDR, offsetof(struct kexec_relocate_data, kexec_start_address));
DEFINE(KEXEC_INDIR_PAGE, offsetof(struct kexec_relocate_data, kexec_indirection_page));
DEFINE(KEXEC_MACH_TYPE, offsetof(struct kexec_relocate_data, kexec_mach_type));
DEFINE(KEXEC_R2, offsetof(struct kexec_relocate_data, kexec_r2));
return 0;
}

2
arch/arm/kernel/hw_breakpoint.c
View File

@@ -891,7 +891,7 @@ static void breakpoint_handler(unsigned long unknown, struct pt_regs *regs)
info->trigger = addr;
pr_debug("breakpoint fired: address = 0x%x\n", addr);
perf_bp_event(bp, regs);
if (!bp->overflow_handler)
if (is_default_overflow_handler(bp))
enable_single_step(bp, addr);
goto unlock;
}

20
arch/arm/kernel/machine_kexec.c
View File

@@ -15,6 +15,7 @@
#include <asm/pgalloc.h>
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
#include <asm/kexec-internal.h>
#include <asm/fncpy.h>
#include <asm/mach-types.h>
#include <asm/smp_plat.h>
@@ -24,11 +25,6 @@
extern void relocate_new_kernel(void);
extern const unsigned int relocate_new_kernel_size;
extern unsigned long kexec_start_address;
extern unsigned long kexec_indirection_page;
extern unsigned long kexec_mach_type;
extern unsigned long kexec_boot_atags;
static atomic_t waiting_for_crash_ipi;
/*
@@ -161,6 +157,7 @@ void (*kexec_reinit)(void);
void machine_kexec(struct kimage *image)
{
unsigned long page_list, reboot_entry_phys;
struct kexec_relocate_data *data;
void (*reboot_entry)(void);
void *reboot_code_buffer;
@@ -176,18 +173,17 @@ void machine_kexec(struct kimage *image)
reboot_code_buffer = page_address(image->control_code_page);
/* Prepare parameters for reboot_code_buffer*/
set_kernel_text_rw();
kexec_start_address = image->start;
kexec_indirection_page = page_list;
kexec_mach_type = machine_arch_type;
kexec_boot_atags = image->arch.kernel_r2;
/* copy our kernel relocation code to the control code page */
reboot_entry = fncpy(reboot_code_buffer,
&relocate_new_kernel,
relocate_new_kernel_size);
data = reboot_code_buffer + relocate_new_kernel_size;
data->kexec_start_address = image->start;
data->kexec_indirection_page = page_list;
data->kexec_mach_type = machine_arch_type;
data->kexec_r2 = image->arch.kernel_r2;
/* get the identity mapping physical address for the reboot code */
reboot_entry_phys = virt_to_idmap(reboot_entry);

38
arch/arm/kernel/relocate_kernel.S
View File

@@ -5,14 +5,16 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/asm-offsets.h>
#include <asm/kexec.h>
.align 3 /* not needed for this code, but keeps fncpy() happy */
ENTRY(relocate_new_kernel)
ldr r0,kexec_indirection_page
ldr r1,kexec_start_address
adr r7, relocate_new_kernel_end
ldr r0, [r7, #KEXEC_INDIR_PAGE]
ldr r1, [r7, #KEXEC_START_ADDR]
/*
* If there is no indirection page (we are doing crashdumps)
@@ -57,34 +59,16 @@ ENTRY(relocate_new_kernel)
2:
/* Jump to relocated kernel */
mov lr,r1
mov r0,#0
ldr r1,kexec_mach_type
ldr r2,kexec_boot_atags
ARM( ret lr )
THUMB( bx lr )
.align
.globl kexec_start_address
kexec_start_address:
.long 0x0
.globl kexec_indirection_page
kexec_indirection_page:
.long 0x0
.globl kexec_mach_type
kexec_mach_type:
.long 0x0
/* phy addr of the atags for the new kernel */
.globl kexec_boot_atags
kexec_boot_atags:
.long 0x0
mov lr, r1
mov r0, #0
ldr r1, [r7, #KEXEC_MACH_TYPE]
ldr r2, [r7, #KEXEC_R2]
ARM( ret lr )
THUMB( bx lr )
ENDPROC(relocate_new_kernel)
.align 3
relocate_new_kernel_end:
.globl relocate_new_kernel_size

14
arch/arm/kernel/signal.c
View File

@@ -697,18 +697,20 @@ struct page *get_signal_page(void)
addr = page_address(page);
/* Poison the entire page */
memset32(addr, __opcode_to_mem_arm(0xe7fddef1),
PAGE_SIZE / sizeof(u32));
/* Give the signal return code some randomness */
offset = 0x200 + (get_random_int() & 0x7fc);
signal_return_offset = offset;
/*
* Copy signal return handlers into the vector page, and
* set sigreturn to be a pointer to these.
*/
/* Copy signal return handlers into the page */
memcpy(addr + offset, sigreturn_codes, sizeof(sigreturn_codes));
ptr = (unsigned long)addr + offset;
flush_icache_range(ptr, ptr + sizeof(sigreturn_codes));
/* Flush out all instructions in this page */
ptr = (unsigned long)addr;
flush_icache_range(ptr, ptr + PAGE_SIZE);
return page;
}

11
arch/arm/kernel/smccc-call.S
View File

@@ -12,7 +12,9 @@
*
*/
#include <linux/linkage.h>
#include <linux/arm-smccc.h>
#include <asm/asm-offsets.h>
#include <asm/opcodes-sec.h>
#include <asm/opcodes-virt.h>
#include <asm/unwind.h>
@@ -36,7 +38,14 @@ UNWIND( .fnstart)
UNWIND( .save {r4-r7})
ldm r12, {r4-r7}
\instr
pop {r4-r7}
ldr r4, [sp, #36]
cmp r4, #0
beq 1f // No quirk structure
ldr r5, [r4, #ARM_SMCCC_QUIRK_ID_OFFS]
cmp r5, #ARM_SMCCC_QUIRK_QCOM_A6
bne 1f // No quirk present
str r6, [r4, #ARM_SMCCC_QUIRK_STATE_OFFS]
1: pop {r4-r7}
ldr r12, [sp, #(4 * 4)]
stm r12, {r0-r3}
bx lr

19
arch/arm/kernel/suspend.c
View File

@@ -1,4 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/ftrace.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/mm_types.h>
@@ -26,6 +27,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
if (!idmap_pgd)
return -EINVAL;
/*
* Function graph tracer state gets incosistent when the kernel
* calls functions that never return (aka suspend finishers) hence
* disable graph tracing during their execution.
*/
pause_graph_tracing();
/*
* Provide a temporary page table with an identity mapping for
* the MMU-enable code, required for resuming. On successful
@@ -33,6 +41,9 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
* back to the correct page tables.
*/
ret = __cpu_suspend(arg, fn, __mpidr);
unpause_graph_tracing();
if (ret == 0) {
cpu_switch_mm(mm->pgd, mm);
local_flush_bp_all();
@@ -46,7 +57,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
{
u32 __mpidr = cpu_logical_map(smp_processor_id());
return __cpu_suspend(arg, fn, __mpidr);
int ret;
pause_graph_tracing();
ret = __cpu_suspend(arg, fn, __mpidr);
unpause_graph_tracing();
return ret;
}
#define idmap_pgd NULL
#endif

4
arch/arm/mach-footbridge/cats-pci.c
View File

@@ -15,14 +15,14 @@
#include <asm/mach-types.h>
/* cats host-specific stuff */
static int irqmap_cats[] __initdata = { IRQ_PCI, IRQ_IN0, IRQ_IN1, IRQ_IN3 };
static int irqmap_cats[] = { IRQ_PCI, IRQ_IN0, IRQ_IN1, IRQ_IN3 };
static u8 cats_no_swizzle(struct pci_dev *dev, u8 *pin)
{
return 0;
}
static int __init cats_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
static int cats_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
if (dev->irq >= 255)
return -1; /* not a valid interrupt. */

12
arch/arm/mach-footbridge/dc21285.c
View File

@@ -69,15 +69,15 @@ dc21285_read_config(struct pci_bus *bus, unsigned int devfn, int where,
if (addr)
switch (size) {
case 1:
asm("ldrb %0, [%1, %2]"
asm volatile("ldrb %0, [%1, %2]"
: "=r" (v) : "r" (addr), "r" (where) : "cc");
break;
case 2:
asm("ldrh %0, [%1, %2]"
asm volatile("ldrh %0, [%1, %2]"
: "=r" (v) : "r" (addr), "r" (where) : "cc");
break;
case 4:
asm("ldr %0, [%1, %2]"
asm volatile("ldr %0, [%1, %2]"
: "=r" (v) : "r" (addr), "r" (where) : "cc");
break;
}
@@ -103,17 +103,17 @@ dc21285_write_config(struct pci_bus *bus, unsigned int devfn, int where,
if (addr)
switch (size) {
case 1:
asm("strb %0, [%1, %2]"
asm volatile("strb %0, [%1, %2]"
: : "r" (value), "r" (addr), "r" (where)
: "cc");
break;
case 2:
asm("strh %0, [%1, %2]"
asm volatile("strh %0, [%1, %2]"
: : "r" (value), "r" (addr), "r" (where)
: "cc");
break;
case 4:
asm("str %0, [%1, %2]"
asm volatile("str %0, [%1, %2]"
: : "r" (value), "r" (addr), "r" (where)
: "cc");
break;

4
arch/arm/mach-footbridge/ebsa285-pci.c
View File

@@ -14,9 +14,9 @@
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
static int irqmap_ebsa285[] __initdata = { IRQ_IN3, IRQ_IN1, IRQ_IN0, IRQ_PCI };
static int irqmap_ebsa285[] = { IRQ_IN3, IRQ_IN1, IRQ_IN0, IRQ_PCI };
static int __init ebsa285_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
static int ebsa285_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
if (dev->vendor == PCI_VENDOR_ID_CONTAQ &&
dev->device == PCI_DEVICE_ID_CONTAQ_82C693)

2
arch/arm/mach-footbridge/netwinder-pci.c
View File

@@ -18,7 +18,7 @@
* We now use the slot ID instead of the device identifiers to select
* which interrupt is routed where.
*/
static int __init netwinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
static int netwinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
switch (slot) {
case 0: /* host bridge */

5
arch/arm/mach-footbridge/personal-pci.c
View File

@@ -14,13 +14,12 @@
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
static int irqmap_personal_server[] __initdata = {
static int irqmap_personal_server[] = {
IRQ_IN0, IRQ_IN1, IRQ_IN2, IRQ_IN3, 0, 0, 0,
IRQ_DOORBELLHOST, IRQ_DMA1, IRQ_DMA2, IRQ_PCI
};
static int __init personal_server_map_irq(const struct pci_dev *dev, u8 slot,
u8 pin)
static int personal_server_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
unsigned char line;

1
arch/arm/mach-imx/suspend-imx6.S
View File

@@ -73,6 +73,7 @@
#define MX6Q_CCM_CCR 0x0
.align 3
.arm
.macro sync_l2_cache

4
arch/arm/mach-keystone/keystone.c
View File

@@ -65,7 +65,7 @@ static void __init keystone_init(void)
static long long __init keystone_pv_fixup(void)
{
long long offset;
phys_addr_t mem_start, mem_end;
u64 mem_start, mem_end;
mem_start = memblock_start_of_DRAM();
mem_end = memblock_end_of_DRAM();
@@ -78,7 +78,7 @@ static long long __init keystone_pv_fixup(void)
if (mem_start < KEYSTONE_HIGH_PHYS_START ||
mem_end > KEYSTONE_HIGH_PHYS_END) {
pr_crit("Invalid address space for memory (%08llx-%08llx)\n",
(u64)mem_start, (u64)mem_end);
mem_start, mem_end);
return 0;
}

4
arch/arm/probes/uprobes/core.c
View File

@@ -207,7 +207,7 @@ unsigned long uprobe_get_swbp_addr(struct pt_regs *regs)
static struct undef_hook uprobes_arm_break_hook = {
.instr_mask = 0x0fffffff,
.instr_val = (UPROBE_SWBP_ARM_INSN & 0x0fffffff),
.cpsr_mask = MODE_MASK,
.cpsr_mask = (PSR_T_BIT | MODE_MASK),
.cpsr_val = USR_MODE,
.fn = uprobe_trap_handler,
};
@@ -215,7 +215,7 @@ static struct undef_hook uprobes_arm_break_hook = {
static struct undef_hook uprobes_arm_ss_hook = {
.instr_mask = 0x0fffffff,
.instr_val = (UPROBE_SS_ARM_INSN & 0x0fffffff),
.cpsr_mask = MODE_MASK,
.cpsr_mask = (PSR_T_BIT | MODE_MASK),
.cpsr_val = USR_MODE,
.fn = uprobe_trap_handler,
};

2
arch/arm/xen/enlighten.c
View File

@@ -404,8 +404,6 @@ static int __init xen_guest_init(void)
return -ENOMEM;
}
gnttab_init();
if (!xen_initial_domain())
xenbus_probe();
/*
* Making sure board specific code will not set up ops for

33
arch/arm/xen/p2m.c
View File

@@ -91,10 +91,39 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops,
int i;
for (i = 0; i < count; i++) {
struct gnttab_unmap_grant_ref unmap;
int rc;
if (map_ops[i].status)
continue;
set_phys_to_machine(map_ops[i].host_addr >> XEN_PAGE_SHIFT,
map_ops[i].dev_bus_addr >> XEN_PAGE_SHIFT);
if (likely(set_phys_to_machine(map_ops[i].host_addr >> XEN_PAGE_SHIFT,
map_ops[i].dev_bus_addr >> XEN_PAGE_SHIFT)))
continue;
/*
* Signal an error for this slot. This in turn requires
* immediate unmapping.
*/
map_ops[i].status = GNTST_general_error;
unmap.host_addr = map_ops[i].host_addr,
unmap.handle = map_ops[i].handle;
map_ops[i].handle = ~0;
if (map_ops[i].flags & GNTMAP_device_map)
unmap.dev_bus_addr = map_ops[i].dev_bus_addr;
else
unmap.dev_bus_addr = 0;
/*
* Pre-populate the status field, to be recognizable in
* the log message below.
*/
unmap.status = 1;
rc = HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref,
&unmap, 1);
if (rc || unmap.status != GNTST_okay)
pr_err_once("gnttab unmap failed: rc=%d st=%d\n",
rc, unmap.status);
}
return 0;

2
arch/arm64/Kconfig
View File

@@ -481,7 +481,7 @@ config ARM64_ERRATUM_1024718
help
This option adds work around for Arm Cortex-A55 Erratum 1024718.
Affected Cortex-A55 cores (r0p0, r0p1, r1p0) could cause incorrect
Affected Cortex-A55 cores (all revisions) could cause incorrect
update of the hardware dirty bit when the DBM/AP bits are updated
without a break-before-make. The work around is to disable the usage
of hardware DBM locally on the affected cores. CPUs not affected by

2
arch/arm64/OWNERS Normal file
View File

@@ -0,0 +1,2 @@
# include OWNERS from the authoritative android-mainline branch
include kernel/common:android-mainline:/arch/arm64/OWNERS

5
arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
View File

@@ -67,8 +67,6 @@
};
&ehci0 {
phys = <&usbphy 0>;
phy-names = "usb";
status = "okay";
};
@@ -107,6 +105,7 @@
pinctrl-0 = <&mmc2_pins>;
vmmc-supply = <&reg_dcdc1>;
vqmmc-supply = <&reg_eldo1>;
max-frequency = <200000000>;
bus-width = <8>;
non-removable;
cap-mmc-hw-reset;
@@ -115,8 +114,6 @@
};
&ohci0 {
phys = <&usbphy 0>;
phy-names = "usb";
status = "okay";
};

1
arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
View File

@@ -51,7 +51,6 @@
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins>;
vmmc-supply = <&reg_dcdc1>;
non-removable;
disable-wp;
bus-width = <4>;
cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */

6
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
View File

@@ -264,7 +264,7 @@
resets = <&ccu RST_BUS_MMC2>;
reset-names = "ahb";
interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
max-frequency = <200000000>;
max-frequency = <150000000>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
@@ -312,6 +312,8 @@
<&ccu CLK_USB_OHCI0>;
resets = <&ccu RST_BUS_OHCI0>,
<&ccu RST_BUS_EHCI0>;
phys = <&usbphy 0>;
phy-names = "usb";
status = "disabled";
};
@@ -322,6 +324,8 @@
clocks = <&ccu CLK_BUS_OHCI0>,
<&ccu CLK_USB_OHCI0>;
resets = <&ccu RST_BUS_OHCI0>;
phys = <&usbphy 0>;
phy-names = "usb";
status = "disabled";
};

2
arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
View File

@@ -378,7 +378,7 @@
s2mps13-pmic@66 {
compatible = "samsung,s2mps13-pmic";
interrupt-parent = <&gpa0>;
interrupts = <7 IRQ_TYPE_NONE>;
interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
reg = <0x66>;
samsung,s2mps11-wrstbi-ground;

2
arch/arm64/boot/dts/exynos/exynos7-espresso.dts
View File

@@ -85,7 +85,7 @@
s2mps15_pmic@66 {
compatible = "samsung,s2mps15-pmic";
reg = <0x66>;
interrupts = <2 IRQ_TYPE_NONE>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
interrupt-parent = <&gpa0>;
pinctrl-names = "default";
pinctrl-0 = <&pmic_irq>;

1
arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
View File

@@ -177,6 +177,7 @@
ranges = <0x0 0x00 0x1700000 0x100000>;
reg = <0x00 0x1700000 0x0 0x100000>;
interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
dma-coherent;
sec_jr0: jr@10000 {
compatible = "fsl,sec-v5.4-job-ring",

1
arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
View File

@@ -237,6 +237,7 @@
ranges = <0x0 0x00 0x1700000 0x100000>;
reg = <0x00 0x1700000 0x0 0x100000>;
interrupts = <0 75 0x4>;
dma-coherent;
sec_jr0: jr@10000 {
compatible = "fsl,sec-v5.4-job-ring",

3
arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
View File

@@ -243,6 +243,7 @@
ranges = <0x0 0x00 0x1700000 0x100000>;
reg = <0x00 0x1700000 0x0 0x100000>;
interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
dma-coherent;
sec_jr0: jr@10000 {
compatible = "fsl,sec-v5.4-job-ring",
@@ -303,7 +304,7 @@
dcfg: dcfg@1ee0000 {
compatible = "fsl,ls1046a-dcfg", "syscon";
reg = <0x0 0x1ee0000 0x0 0x10000>;
reg = <0x0 0x1ee0000 0x0 0x1000>;
big-endian;
};

3
arch/arm64/boot/dts/marvell/armada-37xx.dtsi
View File

@@ -143,7 +143,8 @@
};
nb_periph_clk: nb-periph-clk@13000 {
compatible = "marvell,armada-3700-periph-clock-nb";
compatible = "marvell,armada-3700-periph-clock-nb",
"syscon";
reg = <0x13000 0x100>;
clocks = <&tbg 0>, <&tbg 1>, <&tbg 2>,
<&tbg 3>, <&xtalclk>;

2
arch/arm64/boot/dts/mediatek/mt7622.dtsi
View File

@@ -641,6 +641,8 @@
clocks = <&pericfg CLK_PERI_MSDC30_1_PD>,
<&topckgen CLK_TOP_AXI_SEL>;
clock-names = "source", "hclk";
resets = <&pericfg MT7622_PERI_MSDC1_SW_RST>;
reset-names = "hrst";
status = "disabled";
};

2
arch/arm64/boot/dts/mediatek/mt8173.dtsi
View File

@@ -1111,7 +1111,7 @@
<&mmsys CLK_MM_DSI1_DIGITAL>,
<&mipi_tx1>;
clock-names = "engine", "digital", "hs";
phy = <&mipi_tx1>;
phys = <&mipi_tx1>;
phy-names = "dphy";
status = "disabled";
};

1
arch/arm64/boot/dts/nvidia/tegra210.dtsi
View File

@@ -826,6 +826,7 @@
<&tegra_car 128>, /* hda2hdmi */
<&tegra_car 111>; /* hda2codec_2x */
reset-names = "hda", "hda2hdmi", "hda2codec_2x";
power-domains = <&pd_sor>;
status = "disabled";
};

4
arch/arm64/boot/dts/qcom/msm8916.dtsi
View File

@@ -64,7 +64,7 @@
no-map;
};
reserved@8668000 {
reserved@86680000 {
reg = <0x0 0x86680000 0x0 0x80000>;
no-map;
};
@@ -77,7 +77,7 @@
qcom,client-id = <1>;
};
rfsa@867e00000 {
rfsa@867e0000 {
reg = <0x0 0x867e0000 0x0 0x20000>;
no-map;
};

2
arch/arm64/boot/dts/rockchip/rk3399.dtsi
View File

@@ -265,6 +265,7 @@
reg = <0x0 0xf8000000 0x0 0x2000000>,
<0x0 0xfd000000 0x0 0x1000000>;
reg-names = "axi-base", "apb-base";
device_type = "pci";
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <1>;
@@ -283,7 +284,6 @@
<0 0 0 2 &pcie0_intc 1>,
<0 0 0 3 &pcie0_intc 2>,
<0 0 0 4 &pcie0_intc 3>;
linux,pci-domain = <0>;
max-link-speed = <1>;
msi-map = <0x0 &its 0x0 0x1000>;
phys = <&pcie_phy 0>, <&pcie_phy 1>,

2
arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
View File

@@ -610,7 +610,7 @@
clocks = <&sys_clk 6>;
reset-names = "ether";
resets = <&sys_rst 6>;
phy-mode = "rgmii";
phy-mode = "rgmii-id";
local-mac-address = [00 00 00 00 00 00];
socionext,syscon-phy-mode = <&soc_glue 0>;

4
arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
View File

@@ -416,7 +416,7 @@
clocks = <&sys_clk 6>;
reset-names = "ether";
resets = <&sys_rst 6>;
phy-mode = "rgmii";
phy-mode = "rgmii-id";
local-mac-address = [00 00 00 00 00 00];
socionext,syscon-phy-mode = <&soc_glue 0>;
@@ -437,7 +437,7 @@
clocks = <&sys_clk 7>;
reset-names = "ether";
resets = <&sys_rst 7>;
phy-mode = "rgmii";
phy-mode = "rgmii-id";
local-mac-address = [00 00 00 00 00 00];
socionext,syscon-phy-mode = <&soc_glue 1>;

1
arch/arm64/crypto/sha1-ce-glue.c
View File

@@ -21,6 +21,7 @@
MODULE_DESCRIPTION("SHA1 secure hash using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("sha1");
struct sha1_ce_state {
struct sha1_state sst;

2
arch/arm64/crypto/sha2-ce-glue.c
View File

@@ -21,6 +21,8 @@
MODULE_DESCRIPTION("SHA-224/SHA-256 secure hash using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("sha224");
MODULE_ALIAS_CRYPTO("sha256");
struct sha256_ce_state {
struct sha256_state sst;

4
arch/arm64/crypto/sha3-ce-glue.c
View File

@@ -22,6 +22,10 @@
MODULE_DESCRIPTION("SHA3 secure hash using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("sha3-224");
MODULE_ALIAS_CRYPTO("sha3-256");
MODULE_ALIAS_CRYPTO("sha3-384");
MODULE_ALIAS_CRYPTO("sha3-512");
asmlinkage void sha3_ce_transform(u64 *st, const u8 *data, int blocks,
int md_len);

2
arch/arm64/crypto/sha512-ce-glue.c
View File

@@ -22,6 +22,8 @@
MODULE_DESCRIPTION("SHA-384/SHA-512 secure hash using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("sha384");
MODULE_ALIAS_CRYPTO("sha512");
asmlinkage void sha512_ce_transform(struct sha512_state *sst, u8 const *src,
int blocks);

8
arch/arm64/include/asm/alternative.h
View File

@@ -119,9 +119,9 @@ static inline void apply_alternatives_module(void *start, size_t length) { }
.popsection
.pushsection .altinstr_replacement, "ax"
663: \insn2
664: .popsection
.org . - (664b-663b) + (662b-661b)
664: .org . - (664b-663b) + (662b-661b)
.org . - (662b-661b) + (664b-663b)
.popsection
.endif
.endm
@@ -191,11 +191,11 @@ static inline void apply_alternatives_module(void *start, size_t length) { }
*/
.macro alternative_endif
664:
.org . - (664b-663b) + (662b-661b)
.org . - (662b-661b) + (664b-663b)
.if .Lasm_alt_mode==0
.popsection
.endif
.org . - (664b-663b) + (662b-661b)
.org . - (662b-661b) + (664b-663b)
.endm
/*

89
arch/arm64/include/asm/atomic_ll_sc.h
View File

@@ -37,7 +37,7 @@
* (the optimize attribute silently ignores these options).
*/
#define ATOMIC_OP(op, asm_op) \
#define ATOMIC_OP(op, asm_op, constraint) \
__LL_SC_INLINE void \
__LL_SC_PREFIX(atomic_##op(int i, atomic_t *v)) \
{ \
@@ -51,11 +51,11 @@ __LL_SC_PREFIX(atomic_##op(int i, atomic_t *v)) \
" stxr %w1, %w0, %2\n" \
" cbnz %w1, 1b" \
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter) \
: "Ir" (i)); \
: #constraint "r" (i)); \
} \
__LL_SC_EXPORT(atomic_##op);
#define ATOMIC_OP_RETURN(name, mb, acq, rel, cl, op, asm_op) \
#define ATOMIC_OP_RETURN(name, mb, acq, rel, cl, op, asm_op, constraint)\
__LL_SC_INLINE int \
__LL_SC_PREFIX(atomic_##op##_return##name(int i, atomic_t *v)) \
{ \
@@ -70,14 +70,14 @@ __LL_SC_PREFIX(atomic_##op##_return##name(int i, atomic_t *v)) \
" cbnz %w1, 1b\n" \
" " #mb \
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter) \
: "Ir" (i) \
: #constraint "r" (i) \
: cl); \
\
return result; \
} \
__LL_SC_EXPORT(atomic_##op##_return##name);
#define ATOMIC_FETCH_OP(name, mb, acq, rel, cl, op, asm_op) \
#define ATOMIC_FETCH_OP(name, mb, acq, rel, cl, op, asm_op, constraint) \
__LL_SC_INLINE int \
__LL_SC_PREFIX(atomic_fetch_##op##name(int i, atomic_t *v)) \
{ \
@@ -92,7 +92,7 @@ __LL_SC_PREFIX(atomic_fetch_##op##name(int i, atomic_t *v)) \
" cbnz %w2, 1b\n" \
" " #mb \
: "=&r" (result), "=&r" (val), "=&r" (tmp), "+Q" (v->counter) \
: "Ir" (i) \
: #constraint "r" (i) \
: cl); \
\
return result; \
@@ -110,8 +110,8 @@ __LL_SC_EXPORT(atomic_fetch_##op##name);
ATOMIC_FETCH_OP (_acquire, , a, , "memory", __VA_ARGS__)\
ATOMIC_FETCH_OP (_release, , , l, "memory", __VA_ARGS__)
ATOMIC_OPS(add, add)
ATOMIC_OPS(sub, sub)
ATOMIC_OPS(add, add, I)
ATOMIC_OPS(sub, sub, J)
#undef ATOMIC_OPS
#define ATOMIC_OPS(...) \
@@ -121,17 +121,17 @@ ATOMIC_OPS(sub, sub)
ATOMIC_FETCH_OP (_acquire, , a, , "memory", __VA_ARGS__)\
ATOMIC_FETCH_OP (_release, , , l, "memory", __VA_ARGS__)
ATOMIC_OPS(and, and)
ATOMIC_OPS(andnot, bic)
ATOMIC_OPS(or, orr)
ATOMIC_OPS(xor, eor)
ATOMIC_OPS(and, and, )
ATOMIC_OPS(andnot, bic, )
ATOMIC_OPS(or, orr, )
ATOMIC_OPS(xor, eor, )
#undef ATOMIC_OPS
#undef ATOMIC_FETCH_OP
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
#define ATOMIC64_OP(op, asm_op) \
#define ATOMIC64_OP(op, asm_op, constraint) \
__LL_SC_INLINE void \
__LL_SC_PREFIX(atomic64_##op(long i, atomic64_t *v)) \
{ \
@@ -145,11 +145,11 @@ __LL_SC_PREFIX(atomic64_##op(long i, atomic64_t *v)) \
" stxr %w1, %0, %2\n" \
" cbnz %w1, 1b" \
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter) \
: "Ir" (i)); \
: #constraint "r" (i)); \
} \
__LL_SC_EXPORT(atomic64_##op);
#define ATOMIC64_OP_RETURN(name, mb, acq, rel, cl, op, asm_op) \
#define ATOMIC64_OP_RETURN(name, mb, acq, rel, cl, op, asm_op, constraint)\
__LL_SC_INLINE long \
__LL_SC_PREFIX(atomic64_##op##_return##name(long i, atomic64_t *v)) \
{ \
@@ -164,14 +164,14 @@ __LL_SC_PREFIX(atomic64_##op##_return##name(long i, atomic64_t *v)) \
" cbnz %w1, 1b\n" \
" " #mb \
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter) \
: "Ir" (i) \
: #constraint "r" (i) \
: cl); \
\
return result; \
} \
__LL_SC_EXPORT(atomic64_##op##_return##name);
#define ATOMIC64_FETCH_OP(name, mb, acq, rel, cl, op, asm_op) \
#define ATOMIC64_FETCH_OP(name, mb, acq, rel, cl, op, asm_op, constraint)\
__LL_SC_INLINE long \
__LL_SC_PREFIX(atomic64_fetch_##op##name(long i, atomic64_t *v)) \
{ \
@@ -186,7 +186,7 @@ __LL_SC_PREFIX(atomic64_fetch_##op##name(long i, atomic64_t *v)) \
" cbnz %w2, 1b\n" \
" " #mb \
: "=&r" (result), "=&r" (val), "=&r" (tmp), "+Q" (v->counter) \
: "Ir" (i) \
: #constraint "r" (i) \
: cl); \
\
return result; \
@@ -204,8 +204,8 @@ __LL_SC_EXPORT(atomic64_fetch_##op##name);
ATOMIC64_FETCH_OP (_acquire,, a, , "memory", __VA_ARGS__) \
ATOMIC64_FETCH_OP (_release,, , l, "memory", __VA_ARGS__)
ATOMIC64_OPS(add, add)
ATOMIC64_OPS(sub, sub)
ATOMIC64_OPS(add, add, I)
ATOMIC64_OPS(sub, sub, J)
#undef ATOMIC64_OPS
#define ATOMIC64_OPS(...) \
@@ -215,10 +215,10 @@ ATOMIC64_OPS(sub, sub)
ATOMIC64_FETCH_OP (_acquire,, a, , "memory", __VA_ARGS__) \
ATOMIC64_FETCH_OP (_release,, , l, "memory", __VA_ARGS__)
ATOMIC64_OPS(and, and)
ATOMIC64_OPS(andnot, bic)
ATOMIC64_OPS(or, orr)
ATOMIC64_OPS(xor, eor)
ATOMIC64_OPS(and, and, L)
ATOMIC64_OPS(andnot, bic, )
ATOMIC64_OPS(or, orr, L)
ATOMIC64_OPS(xor, eor, L)
#undef ATOMIC64_OPS
#undef ATOMIC64_FETCH_OP
@@ -248,7 +248,7 @@ __LL_SC_PREFIX(atomic64_dec_if_positive(atomic64_t *v))
}
__LL_SC_EXPORT(atomic64_dec_if_positive);
#define __CMPXCHG_CASE(w, sz, name, mb, acq, rel, cl) \
#define __CMPXCHG_CASE(w, sz, name, mb, acq, rel, cl, constraint) \
__LL_SC_INLINE unsigned long \
__LL_SC_PREFIX(__cmpxchg_case_##name(volatile void *ptr, \
unsigned long old, \
@@ -267,29 +267,34 @@ __LL_SC_PREFIX(__cmpxchg_case_##name(volatile void *ptr, \
"2:" \
: [tmp] "=&r" (tmp), [oldval] "=&r" (oldval), \
[v] "+Q" (*(unsigned long *)ptr) \
: [old] "Lr" (old), [new] "r" (new) \
: [old] #constraint "r" (old), [new] "r" (new) \
: cl); \
\
return oldval; \
} \
__LL_SC_EXPORT(__cmpxchg_case_##name);
__CMPXCHG_CASE(w, b, 1, , , , )
__CMPXCHG_CASE(w, h, 2, , , , )
__CMPXCHG_CASE(w, , 4, , , , )
__CMPXCHG_CASE( , , 8, , , , )
__CMPXCHG_CASE(w, b, acq_1, , a, , "memory")
__CMPXCHG_CASE(w, h, acq_2, , a, , "memory")
__CMPXCHG_CASE(w, , acq_4, , a, , "memory")
__CMPXCHG_CASE( , , acq_8, , a, , "memory")
__CMPXCHG_CASE(w, b, rel_1, , , l, "memory")
__CMPXCHG_CASE(w, h, rel_2, , , l, "memory")
__CMPXCHG_CASE(w, , rel_4, , , l, "memory")
__CMPXCHG_CASE( , , rel_8, , , l, "memory")
__CMPXCHG_CASE(w, b, mb_1, dmb ish, , l, "memory")
__CMPXCHG_CASE(w, h, mb_2, dmb ish, , l, "memory")
__CMPXCHG_CASE(w, , mb_4, dmb ish, , l, "memory")
__CMPXCHG_CASE( , , mb_8, dmb ish, , l, "memory")
/*
* Earlier versions of GCC (no later than 8.1.0) appear to incorrectly
* handle the 'K' constraint for the value 4294967295 - thus we use no
* constraint for 32 bit operations.
*/
__CMPXCHG_CASE(w, b, 1, , , , , )
__CMPXCHG_CASE(w, h, 2, , , , , )
__CMPXCHG_CASE(w, , 4, , , , , )
__CMPXCHG_CASE( , , 8, , , , , L)
__CMPXCHG_CASE(w, b, acq_1, , a, , "memory", )
__CMPXCHG_CASE(w, h, acq_2, , a, , "memory", )
__CMPXCHG_CASE(w, , acq_4, , a, , "memory", )
__CMPXCHG_CASE( , , acq_8, , a, , "memory", L)
__CMPXCHG_CASE(w, b, rel_1, , , l, "memory", )
__CMPXCHG_CASE(w, h, rel_2, , , l, "memory", )
__CMPXCHG_CASE(w, , rel_4, , , l, "memory", )
__CMPXCHG_CASE( , , rel_8, , , l, "memory", L)
__CMPXCHG_CASE(w, b, mb_1, dmb ish, , l, "memory", )
__CMPXCHG_CASE(w, h, mb_2, dmb ish, , l, "memory", )
__CMPXCHG_CASE(w, , mb_4, dmb ish, , l, "memory", )
__CMPXCHG_CASE( , , mb_8, dmb ish, , l, "memory", L)
#undef __CMPXCHG_CASE

1
arch/arm64/include/asm/kvm_arm.h
View File

@@ -198,6 +198,7 @@
#define CPTR_EL2_DEFAULT CPTR_EL2_RES1
/* Hyp Debug Configuration Register bits */
#define MDCR_EL2_TTRF (1 << 19)
#define MDCR_EL2_TPMS (1 << 14)
#define MDCR_EL2_E2PB_MASK (UL(0x3))
#define MDCR_EL2_E2PB_SHIFT (UL(12))

1
arch/arm64/include/asm/kvm_host.h
View File

@@ -455,6 +455,7 @@ static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {}
void kvm_arm_init_debug(void);
void kvm_arm_vcpu_init_debug(struct kvm_vcpu *vcpu);
void kvm_arm_setup_debug(struct kvm_vcpu *vcpu);
void kvm_arm_clear_debug(struct kvm_vcpu *vcpu);
void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu);

3
arch/arm64/include/asm/kvm_hyp.h
View File

@@ -144,6 +144,9 @@ void __sysreg32_restore_state(struct kvm_vcpu *vcpu);
void __debug_switch_to_guest(struct kvm_vcpu *vcpu);
void __debug_switch_to_host(struct kvm_vcpu *vcpu);
void __debug_save_host_buffers_nvhe(struct kvm_vcpu *vcpu);
void __debug_restore_host_buffers_nvhe(struct kvm_vcpu *vcpu);
void __fpsimd_save_state(struct user_fpsimd_state *fp_regs);
void __fpsimd_restore_state(struct user_fpsimd_state *fp_regs);

10
arch/arm64/include/asm/word-at-a-time.h
View File

@@ -64,7 +64,7 @@ static inline unsigned long find_zero(unsigned long mask)
*/
static inline unsigned long load_unaligned_zeropad(const void *addr)
{
unsigned long ret, offset;
unsigned long ret, tmp;
/* Load word from unaligned pointer addr */
asm(
@@ -72,9 +72,9 @@ static inline unsigned long load_unaligned_zeropad(const void *addr)
"2:\n"
" .pushsection .fixup,\"ax\"\n"
" .align 2\n"
"3: and %1, %2, #0x7\n"
" bic %2, %2, #0x7\n"
" ldr %0, [%2]\n"
"3: bic %1, %2, #0x7\n"
" ldr %0, [%1]\n"
" and %1, %2, #0x7\n"
" lsl %1, %1, #0x3\n"
#ifndef __AARCH64EB__
" lsr %0, %0, %1\n"
@@ -84,7 +84,7 @@ static inline unsigned long load_unaligned_zeropad(const void *addr)
" b 2b\n"
" .popsection\n"
_ASM_EXTABLE(1b, 3b)
: "=&r" (ret), "=&r" (offset)
: "=&r" (ret), "=&r" (tmp)
: "r" (addr), "Q" (*(unsigned long *)addr));
return ret;

3
arch/arm64/kernel/cpufeature.c
View File

@@ -258,7 +258,6 @@ static const struct arm64_ftr_bits ftr_id_aa64dfr0[] = {
* of support.
*/
S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_EXACT, ID_AA64DFR0_PMUVER_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, ID_AA64DFR0_TRACEVER_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, ID_AA64DFR0_DEBUGVER_SHIFT, 4, 0x6),
ARM64_FTR_END,
};
@@ -1012,7 +1011,7 @@ static bool cpu_has_broken_dbm(void)
/* List of CPUs which have broken DBM support. */
static const struct midr_range cpus[] = {
#ifdef CONFIG_ARM64_ERRATUM_1024718
MIDR_RANGE(MIDR_CORTEX_A55, 0, 0, 1, 0), // A55 r0p0 -r1p0
MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
#endif
{},
};

2
arch/arm64/kernel/crash_dump.c
View File

@@ -67,5 +67,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos)
{
memcpy(buf, phys_to_virt((phys_addr_t)*ppos), count);
*ppos += count;
return count;
}

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

@@ -960,6 +960,7 @@ __primary_switch:
tlbi vmalle1 // Remove any stale TLB entries
dsb nsh
isb
msr sctlr_el1, x19 // re-enable the MMU
isb

6
arch/arm64/kernel/module.lds
View File

@@ -1,5 +1,5 @@
SECTIONS {
.plt (NOLOAD) : { BYTE(0) }
.init.plt (NOLOAD) : { BYTE(0) }
.text.ftrace_trampoline (NOLOAD) : { BYTE(0) }
.plt 0 (NOLOAD) : { BYTE(0) }
.init.plt 0 (NOLOAD) : { BYTE(0) }
.text.ftrace_trampoline 0 (NOLOAD) : { BYTE(0) }
}

2
arch/arm64/kernel/probes/uprobes.c
View File

@@ -41,7 +41,7 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm,
/* TODO: Currently we do not support AARCH32 instruction probing */
if (mm->context.flags & MMCF_AARCH32)
return -ENOTSUPP;
return -EOPNOTSUPP;
else if (!IS_ALIGNED(addr, AARCH64_INSN_SIZE))
return -EINVAL;

8
arch/arm64/kernel/vdso/vdso.lds.S
View File

@@ -39,6 +39,13 @@ SECTIONS
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
/*
* Discard .note.gnu.property sections which are unused and have
* different alignment requirement from vDSO note sections.
*/
/DISCARD/ : {
*(.note.GNU-stack .note.gnu.property)
}
.note : { *(.note.*) } :text :note
. = ALIGN(16);
@@ -59,7 +66,6 @@ SECTIONS
PROVIDE(end = .);
/DISCARD/ : {
*(.note.GNU-stack)
*(.data .data.* .gnu.linkonce.d.* .sdata*)
*(.bss .sbss .dynbss .dynsbss)
}

8
arch/arm64/kernel/vdso32/Makefile
View File

@@ -10,15 +10,7 @@ include $(srctree)/lib/vdso/Makefile
# Same as cc-*option, but using CC_COMPAT instead of CC
ifeq ($(CONFIG_CC_IS_CLANG), y)
COMPAT_GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE_COMPAT)elfedit))
COMPAT_GCC_TOOLCHAIN := $(realpath $(COMPAT_GCC_TOOLCHAIN_DIR)/..)
CC_COMPAT_CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE_COMPAT:%-=%))
CC_COMPAT_CLANG_FLAGS += --prefix=$(COMPAT_GCC_TOOLCHAIN_DIR)
CC_COMPAT_CLANG_FLAGS += -no-integrated-as -Qunused-arguments
ifneq ($(COMPAT_GCC_TOOLCHAIN),)
CC_COMPAT_CLANG_FLAGS += --gcc-toolchain=$(COMPAT_GCC_TOOLCHAIN)
endif
CC_COMPAT ?= $(CC)
CC_COMPAT += $(CC_COMPAT_CLANG_FLAGS)

86
arch/arm64/kvm/debug.c
View File

@@ -79,6 +79,64 @@ void kvm_arm_init_debug(void)
__this_cpu_write(mdcr_el2, kvm_call_hyp(__kvm_get_mdcr_el2));
}
/**
* kvm_arm_setup_mdcr_el2 - configure vcpu mdcr_el2 value
*
* @vcpu: the vcpu pointer
*
* This ensures we will trap access to:
* - Performance monitors (MDCR_EL2_TPM/MDCR_EL2_TPMCR)
* - Debug ROM Address (MDCR_EL2_TDRA)
* - OS related registers (MDCR_EL2_TDOSA)
* - Statistical profiler (MDCR_EL2_TPMS/MDCR_EL2_E2PB)
* - Self-hosted Trace Filter controls (MDCR_EL2_TTRF)
*/
static void kvm_arm_setup_mdcr_el2(struct kvm_vcpu *vcpu)
{
/*
* This also clears MDCR_EL2_E2PB_MASK to disable guest access
* to the profiling buffer.
*/
vcpu->arch.mdcr_el2 = __this_cpu_read(mdcr_el2) & MDCR_EL2_HPMN_MASK;
vcpu->arch.mdcr_el2 |= (MDCR_EL2_TPM |
MDCR_EL2_TPMS |
MDCR_EL2_TTRF |
MDCR_EL2_TPMCR |
MDCR_EL2_TDRA |
MDCR_EL2_TDOSA);
/* Is the VM being debugged by userspace? */
if (vcpu->guest_debug)
/* Route all software debug exceptions to EL2 */
vcpu->arch.mdcr_el2 |= MDCR_EL2_TDE;
/*
* Trap debug register access when one of the following is true:
* - Userspace is using the hardware to debug the guest
* (KVM_GUESTDBG_USE_HW is set).
* - The guest is not using debug (KVM_ARM64_DEBUG_DIRTY is clear).
*/
if ((vcpu->guest_debug & KVM_GUESTDBG_USE_HW) ||
!(vcpu->arch.flags & KVM_ARM64_DEBUG_DIRTY))
vcpu->arch.mdcr_el2 |= MDCR_EL2_TDA;
trace_kvm_arm_set_dreg32("MDCR_EL2", vcpu->arch.mdcr_el2);
}
/**
* kvm_arm_vcpu_init_debug - setup vcpu debug traps
*
* @vcpu: the vcpu pointer
*
* Set vcpu initial mdcr_el2 value.
*/
void kvm_arm_vcpu_init_debug(struct kvm_vcpu *vcpu)
{
preempt_disable();
kvm_arm_setup_mdcr_el2(vcpu);
preempt_enable();
}
/**
* kvm_arm_reset_debug_ptr - reset the debug ptr to point to the vcpu state
*/
@@ -94,12 +152,7 @@ void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu)
* @vcpu: the vcpu pointer
*
* This is called before each entry into the hypervisor to setup any
* debug related registers. Currently this just ensures we will trap
* access to:
* - Performance monitors (MDCR_EL2_TPM/MDCR_EL2_TPMCR)
* - Debug ROM Address (MDCR_EL2_TDRA)
* - OS related registers (MDCR_EL2_TDOSA)
* - Statistical profiler (MDCR_EL2_TPMS/MDCR_EL2_E2PB)
* debug related registers.
*
* Additionally, KVM only traps guest accesses to the debug registers if
* the guest is not actively using them (see the KVM_ARM64_DEBUG_DIRTY
@@ -111,27 +164,14 @@ void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu)
void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
{
bool trap_debug = !(vcpu->arch.flags & KVM_ARM64_DEBUG_DIRTY);
unsigned long mdscr, orig_mdcr_el2 = vcpu->arch.mdcr_el2;
trace_kvm_arm_setup_debug(vcpu, vcpu->guest_debug);
/*
* This also clears MDCR_EL2_E2PB_MASK to disable guest access
* to the profiling buffer.
*/
vcpu->arch.mdcr_el2 = __this_cpu_read(mdcr_el2) & MDCR_EL2_HPMN_MASK;
vcpu->arch.mdcr_el2 |= (MDCR_EL2_TPM |
MDCR_EL2_TPMS |
MDCR_EL2_TPMCR |
MDCR_EL2_TDRA |
MDCR_EL2_TDOSA);
kvm_arm_setup_mdcr_el2(vcpu);
/* Is Guest debugging in effect? */
if (vcpu->guest_debug) {
/* Route all software debug exceptions to EL2 */
vcpu->arch.mdcr_el2 |= MDCR_EL2_TDE;
/* Save guest debug state */
save_guest_debug_regs(vcpu);
@@ -185,7 +225,6 @@ void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
vcpu->arch.debug_ptr = &vcpu->arch.external_debug_state;
vcpu->arch.flags |= KVM_ARM64_DEBUG_DIRTY;
trap_debug = true;
trace_kvm_arm_set_regset("BKPTS", get_num_brps(),
&vcpu->arch.debug_ptr->dbg_bcr[0],
@@ -200,10 +239,6 @@ void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
BUG_ON(!vcpu->guest_debug &&
vcpu->arch.debug_ptr != &vcpu->arch.vcpu_debug_state);
/* Trap debug register access */
if (trap_debug)
vcpu->arch.mdcr_el2 |= MDCR_EL2_TDA;
/* If KDE or MDE are set, perform a full save/restore cycle. */
if (vcpu_read_sys_reg(vcpu, MDSCR_EL1) & (DBG_MDSCR_KDE | DBG_MDSCR_MDE))
vcpu->arch.flags |= KVM_ARM64_DEBUG_DIRTY;
@@ -212,7 +247,6 @@ void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
if (has_vhe() && orig_mdcr_el2 != vcpu->arch.mdcr_el2)
write_sysreg(vcpu->arch.mdcr_el2, mdcr_el2);
trace_kvm_arm_set_dreg32("MDCR_EL2", vcpu->arch.mdcr_el2);
trace_kvm_arm_set_dreg32("MDSCR_EL1", vcpu_read_sys_reg(vcpu, MDSCR_EL1));
}

Some files were not shown because too many files have changed in this diff Show More