Through this vendor hook, we can get the timing to check
current running task for the validation of its credential
and bpf operations.
Bug: 191291287
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Change-Id: Ie4ed8df7ad66df2486fc7e52a26d9191fc0c176e
Through this vendor hook, we can get the timing to check
current running task for the validation of its credential
and open operation.
Bug: 191291287
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Change-Id: Ia644ceb02dbc230ee1d25cad3630c2c3f908e41a
Through this vendor hook, we can get the timing to check
current running task for the validation of its credential
and related operations.
Bug: 191291287
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Change-Id: If20bd8bb8311ad10a374033734fbdc7ef61a7704
android_vh_ptype_head:
To add a debugging chain to ptype list
android_vh_kfree_skb
To sniff the dropped packet at kernel network
Bug: 163716381
Signed-off-by: Bae Soukjin <soukjin.bae@samsung.com>
Change-Id: Ide80bf0a129da31a1824d4a33026ac42be327361
(cherry picked from commit d88b2969cfa78608ad4563e5f4fa84497cc0ffa6)
(cherry picked from commit a8021ba684c584b8a4361d1680f6e466748ab012)
Make the following changes in ufshcd_abort():
- Return FAILED instead of SUCCESS if the abort handler notices that a SCSI
command has already been completed. Returning SUCCESS in this case
triggers a use-after-free and may trigger a kernel crash.
- Fix the code for aborting SCSI commands submitted to a WLUN.
The current approach for aborting SCSI commands that have been submitted to
a WLUN and that timed out is as follows:
- Report to the SCSI core that the command has completed successfully.
Let the block layer free any data buffers associated with the command.
- Mark the command as outstanding in 'outstanding_reqs'.
- If the block layer tries to reuse the tag associated with the aborted
command, busy-wait until the tag is freed.
This approach can result in:
- Memory corruption if the controller accesses the data buffer after the
block layer has freed the associated data buffers.
- A race condition if ufshcd_queuecommand() or ufshcd_exec_dev_cmd()
checks the bit that corresponds to an aborted command in 'outstanding_reqs'
after it has been cleared and before it is reset.
- High energy consumption if ufshcd_queuecommand() repeatedly returns
SCSI_MLQUEUE_HOST_BUSY.
Fix this by reporting to the SCSI error handler that aborting a SCSI
command failed if the SCSI command was submitted to a WLUN.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Stanley Chu <stanley.chu@mediatek.com>
Cc: Can Guo <cang@codeaurora.org>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Cc: Avri Altman <avri.altman@wdc.com>
Fixes: 7a7e66c65d ("scsi: ufs: Fix a race condition between ufshcd_abort() and eh_work()")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/linux-scsi/20210701211224.17070-17-bvanassche@acm.org/
Change-Id: Ice5138ece51bf0e00dc0aa5fcd3ac74659b2afc0
BUG: 192807596
Signed-off-by: Bart Van Assche <bvanassche@google.com>
In our vendor driver, we need to call the following function:
mm/mmap.c : unsigned long vm_unmapped_area(struct vm_unmapped_area_info *info);
Bug: 191439466
Signed-off-by: xieliujie <xieliujie@oppo.com>
Change-Id: I8eb0f8cc80ab7a0ebc9db3e3b217be94843da3ed
Some drivers can maintain its own pool of shmem pages that can reduce
the latencies in allocation of them by avoiding in getting a page from
buddy. To support this, add a vendor hook which first tries to get the
page from the driver maintained shmem pool when shmem_alloc_page is
called. If failed, it will simply fall back to the original path.
Bug: 187798288
Change-Id: I5deaf995b2e2ac40c2192096435954ee3f4a4fa8
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
The reserved memory region for ramoops is assumed to be at a fixed
and known location when read from the devicetree. This is not desirable
in environments where it is preferred for the region to be dynamically
allocated at runtime, as opposed to it being fixed at compile time.
Change the logic for detecting the start and size of the ramoops
memory region by looking up the reserved memory region instead of
using platform_get_resource(), which assumes that the location
of the memory is known ahead of time.
Bug: 191636717
Link: https://lore.kernel.org/patchwork/patch/1451704/
Change-Id: I24066de9f4fe1f1575cb1bbb1687c37a2b1938a4
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
Add the functionality that allow users of shmem to reclaim its pages
without going through the kswapd/direct reclaim path. An example usecase
is: Say that device allocates a larger amount of shmem pages and shares
it with hardware. To faster reclaims such pages, drivers can register
the shrinkers and call reclaim_shmem_address_space().
The implementation of this function is mostly borrowed from
reclaim_address_space() implemented for per process reclaim[1].
[1] https://lore.kernel.org/patchwork/cover/378056/
Bug: 187798288
Change-Id: I03d2c3b9610612af977f89ddeabb63b8e9e50918
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
With abitidy, the XML is sorted and superfluous elements are removed.
Bug: 187831743
Change-Id: Ic6f593d448ee9abdc55ae90efe77147364c7132f
Signed-off-by: Giuliano Procida <gprocida@google.com>
ABI XML will become smaller and nicer to diff.
Bug: 187831743
Change-Id: I9e1eb076299a9b408e9f12a81fafb111bdb0fc53
Signed-off-by: Giuliano Procida <gprocida@google.com>
[ Upstream commit c1a3d40673 ]
This is meant to make the host side cdc_ncm interface consistently
named just like the older CDC protocols: cdc_ether & cdc_ecm
(and even rndis_host), which all use 'FLAG_ETHER | FLAG_POINTTOPOINT'.
include/linux/usb/usbnet.h:
#define FLAG_ETHER 0x0020 /* maybe use "eth%d" names */
#define FLAG_WLAN 0x0080 /* use "wlan%d" names */
#define FLAG_WWAN 0x0400 /* use "wwan%d" names */
#define FLAG_POINTTOPOINT 0x1000 /* possibly use "usb%d" names */
drivers/net/usb/usbnet.c @ line 1711:
strcpy (net->name, "usb%d");
...
// heuristic: "usb%d" for links we know are two-host,
// else "eth%d" when there's reasonable doubt. userspace
// can rename the link if it knows better.
if ((dev->driver_info->flags & FLAG_ETHER) != 0 &&
((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 ||
(net->dev_addr [0] & 0x02) == 0))
strcpy (net->name, "eth%d");
/* WLAN devices should always be named "wlan%d" */
if ((dev->driver_info->flags & FLAG_WLAN) != 0)
strcpy(net->name, "wlan%d");
/* WWAN devices should always be named "wwan%d" */
if ((dev->driver_info->flags & FLAG_WWAN) != 0)
strcpy(net->name, "wwan%d");
So by using ETHER | POINTTOPOINT the interface naming is
either usb%d or eth%d based on the global uniqueness of the
mac address of the device.
Without this 2.5gbps ethernet dongles which all seem to use the cdc_ncm
driver end up being called usb%d instead of eth%d even though they're
definitely not two-host. (All 1gbps & 5gbps ethernet usb dongles I've
tested don't hit this problem due to use of different drivers, primarily
r8152 and aqc111)
Fixes tag is based purely on git blame, and is really just here to make
sure this hits LTS branches newer than v4.5.
Cc: Lorenzo Colitti <lorenzo@google.com>
Fixes: 4d06dd537f ("cdc_ncm: do not call usbnet_link_change from cdc_ncm_bind")
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 11fac7e912https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=11fac7e9127078fe3275642742cf5e2336fa934a)
Bug: 181923048
Change-Id: If746c35d6a91c3071afbbca68466438fcd7d8f55
Downgrade some expected log messages from pr_warn() to pr_info().
Also remove "FIPS 140" from some log messages since the messages are
already prefixed with "fips140: " (the name of the module) which makes
it redundant.
Bug: 153614920
Bug: 188620248
Change-Id: I94055d7a5a86a770fcf38e958e7d7497b4bafdf0
Signed-off-by: Eric Biggers <ebiggers@google.com>
Avoid a compiler warning about there being no previous declaration for
fips140_init().
Bug: 153614920
Bug: 188620248
Change-Id: I8192c597d16ff6f43a0e9cb45a89969666b3875e
Signed-off-by: Eric Biggers <ebiggers@google.com>
This patch is for updating GKI allowed symbol list without adding any
new symbol. Next patch will introduce newly added symbols for Exynosauto
SoC GKI vendor modules.
Bug: 192805988
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Change-Id: I6afec1983c83c032d9bd34bb330faecfd0140bc4
Fixes the following W=1 kernel build warning(s):
drivers/scsi/ufs/ufshcd.c:6603: warning: Function parameter or member 'hba' not described in 'ufshcd_try_to_abort_task'
drivers/scsi/ufs/ufshcd.c:6603: warning: Function parameter or member 'tag' not described in 'ufshcd_try_to_abort_task'
drivers/scsi/ufs/ufshcd.c:6603: warning: Excess function parameter 'cmd' description in 'ufshcd_try_to_abort_task'
Link: https://lore.kernel.org/r/20201102142359.561122-12-lee.jones@linaro.org
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Avri Altman <avri.altman@wdc.com>
Cc: Santosh Yaraganavi <santosh.sy@samsung.com>
Cc: Vinayak Holikatti <h.vinayak@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
(cherry picked from commit d23ec0b610 git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master)
Change-Id: I9540b80ceb7cd28629e86101b3b0b561762b6cde
Signed-off-by: Bart Van Assche <bvanassche@google.com>
debug_locks_off can be called in scenarios where the kernel doesn't
immediately panic. For instance, debug_locks_off is called with a
mismatched preempt_count or when registering an improper lockdep map
and fails the sanity check for lock-class key [1]. Both of these issues
were discovered in vendor kernel code and were fixed.
When console_verbose is enabled, we have found that kernel tends to be
unstable because it is spending much of its time printing to the serial
log, so the system may miss watchdog pats. We explicitly set our system
to reduce the loglevel in order to prevent such scenarios, however
lockdep can circumvent the commandline setting. Thus, when we ran into
the kernel bugs, we first ended up trying to debug why the kernel wasn't
able to respond to watchdog pets and why it was spending all of its time
flushing the console, which did not quickly lead us to the "real"
lock dependency issue.
Remove the console_verbose when turning off lock debugging. Other debug
facilities, such as KASAN, KFENCE, SPINLOCK_DEBUG, and DEBUG_OBJECTS
don't set console_verbose when issues are detected. Current other uses
for console_verbose are in situations where kernel is in a panic path.
[1]: kernel/locking/lockdep.c:lockdep_init_map_waits:4617
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
Link: https://lore.kernel.org/lkml/20210623045559.15750-1-eberman@codeaurora.org/
Bug: 191903062
Change-Id: If33587c49d316155a1745c9e0ef1a9ce23410a2b
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Add symbols missing from qcom symbol list for 80211 configs.
All of these symbols were already added in commit 7d8c327a64
("ANDROID: ABI: gki_defconfig: Make cfg80211 and mac80211 modules"), but
now add them explicitly to abi_gki_aarch64_qcom symbol list.
Bug: 189918667
Change-Id: I3ada83f8bbdc0edc4b9778cccb0ff07f68ee2aac
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
android_rvh_sched_fork() and android_rvh_sched_fork_init()
already let us register probes during fork(), but those are
invoked *before* the new task is added to the tasklist, which
can lead to some undesired races when a module is trying to
initialize vendor-specific task_struct fields.
Export the task_newtask tracepoint to register probes to run
during fork() but *after* the task has been inserted into the
tasklist.
Bug: 192873984
Signed-off-by: Jing-Ting Wu <Jing-Ting.Wu@mediatek.com>
Cc: Valentin Schneider <valentin.schneider@arm.com>
Change-Id: Ifef14819264385b5e955a5966b4e4f66d50da5e3
Fix warnings reported by kernelci due to incorrect indentatio:
kernel/smp.c:982:3: warning: this ‘if’ clause does not guard
Fixes: f0b280c395 ("ANDROID: cpuidle: Update cpuidle_uninstall_idle_handler()
to wakeup all online CPUs")
Signed-off-by: Todd Kjos <tkjos@google.com>
Change-Id: Ide771342558de321154696f9fe1272750a773853
Struct gic_chip_data definition is not visible to vendor modules
however its passed as parameter to trace_android_vh_gic_resume().
Move struct gic_chip_data definition to gic-v3 header so that vendor
hook can access member variables.
Bug: 192660047
Fixes: cb99d1b88c ("ANDROID: gic: change gic resume vendor hook para")
Change-Id: I4d1f4adb5b6cb932876650feacb69950d0d686bc
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
commit 5f89468e2f upstream.
in case of driver wants to sync part of ranges with offset,
swiotlb_tbl_sync_single() copies from orig_addr base to tlb_addr with
offset and ends up with data mismatch.
It was removed from
"swiotlb: don't modify orig_addr in swiotlb_tbl_sync_single",
but said logic has to be added back in.
From Linus's email:
"That commit which the removed the offset calculation entirely, because the old
(unsigned long)tlb_addr & (IO_TLB_SIZE - 1)
was wrong, but instead of removing it, I think it should have just
fixed it to be
(tlb_addr - mem->start) & (IO_TLB_SIZE - 1);
instead. That way the slot offset always matches the slot index calculation."
(Unfortunatly that broke NVMe).
The use-case that drivers are hitting is as follow:
1. Get dma_addr_t from dma_map_single()
dma_addr_t tlb_addr = dma_map_single(dev, vaddr, vsize, DMA_TO_DEVICE);
|<---------------vsize------------->|
+-----------------------------------+
| | original buffer
+-----------------------------------+
vaddr
swiotlb_align_offset
|<----->|<---------------vsize------------->|
+-------+-----------------------------------+
| | | swiotlb buffer
+-------+-----------------------------------+
tlb_addr
2. Do something
3. Sync dma_addr_t through dma_sync_single_for_device(..)
dma_sync_single_for_device(dev, tlb_addr + offset, size, DMA_TO_DEVICE);
Error case.
Copy data to original buffer but it is from base addr (instead of
base addr + offset) in original buffer:
swiotlb_align_offset
|<----->|<- offset ->|<- size ->|
+-------+-----------------------------------+
| | |##########| | swiotlb buffer
+-------+-----------------------------------+
tlb_addr
|<- size ->|
+-----------------------------------+
|##########| | original buffer
+-----------------------------------+
vaddr
The fix is to copy the data to the original buffer and take into
account the offset, like so:
swiotlb_align_offset
|<----->|<- offset ->|<- size ->|
+-------+-----------------------------------+
| | |##########| | swiotlb buffer
+-------+-----------------------------------+
tlb_addr
|<- offset ->|<- size ->|
+-----------------------------------+
| |##########| | original buffer
+-----------------------------------+
vaddr
[One fix which was Linus's that made more sense to as it created a
symmetry would break NVMe. The reason for that is the:
unsigned int offset = (tlb_addr - mem->start) & (IO_TLB_SIZE - 1);
would come up with the proper offset, but it would lose the
alignment (which this patch contains).]
Bug: 192521392
Fixes: 16fc3cef33 ("swiotlb: don't modify orig_addr in swiotlb_tbl_sync_single")
Signed-off-by: Bumyong Lee <bumyong.lee@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reported-by: Dominique MARTINET <dominique.martinet@atmark-techno.com>
Reported-by: Horia Geantă <horia.geanta@nxp.com>
Tested-by: Horia Geantă <horia.geanta@nxp.com>
CC: stable@vger.kernel.org
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit e6108147dd of
linux-5.10.47)
Change-Id: Ib03e81080ab029d37e6ff54a3e2cb526d3a30e10
int the commit: https://android-review.googlesource.com/c/kernel/common/+/1699406/
When we build our vendor driver, report two errors:
1) Symbol too long "trace_android_vh_get_unmapped_area_from_anti_fragment_pool"
2) Symbol too long "trace_android_vh_get_unmapped_area_include_reserved_zone"
So, I shorten the function names:
android_vh_get_unmapped_area_from_anti_fragment_pool --> android_vh_get_from_fragment_pool
android_vh_get_unmapped_area_include_reserved_zone --> android_vh_include_reserved_zone
Bug: 191439466
Signed-off-by: xieliujie <xieliujie@oppo.com>
Change-Id: Icee4faa24df4fe1fc29434cd205c4dea82b4fba5
Vendor hook may modify index to negative to force an early
exit from idle entry. Add support for the same.
Bug: 192436062
Change-Id: I82b822296d06b122e3f154b2c8af2128136023d5
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
wake_up_all_idle_cpus() will not wakeup paused CPUs since they are removed
from cpu_active_mask but paused CPUs can be in deep cpu idle and hence must
wakeup when uninstalling idle handler.
This change fixes this by introducing wake_up_all_online_idle_cpus() to
unconditionally wakeup all online idle CPUs and invoking same when uninstalling
cpu idle handler.
Bug: 192436062
Fixes: 683010f555 ("ANDROID: cpu/hotplug: add pause/resume_cpus interface")
Change-Id: I4afd4b7a17b87f9cc495e7009c9537888387f9ef
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
In change Iab3971cd0d78d669536b8eb0505c60caa3aafeee the
cfg80211 and mac80211 drivers were switched to modules, so we
need to add them as such to the hikey960_gki.fragment.
With this change, hikey960 boots and wifi comes up.
Bug: 189918667
Fixes: Iab3971cd0d78d669536b8eb0505c60caa3aafeee
Signed-off-by: John Stultz <john.stultz@linaro.org>
Change-Id: I8cd3dd3dc76852e270b7b4ba518323af92ff6dda
Remove CONFIG_CFG80211 and CONFIG_MAC80211 from gki_defconfig
to allow vendors to incorporate features that have landed upstream.
Also need to update symbol lists since the related 80211
symbols are no longer exported from the core kernel.
Bug: 189918667
Signed-off-by: Todd Kjos <tkjos@google.com>
Change-Id: Iab3971cd0d78d669536b8eb0505c60caa3aafeee
This reverts commit bba0d8a87e.
CFG80211 changing to a module so these configs go into device-specific
defconfig fragments.
Bug: 189918667
Change-Id: Ie4b70407369da3c865541e4857c3ba18fec24587
This reverts commit 9132fbe545.
Reason for revert: mmap_count is no longer used for reporting dma-bufs
and introduces subtle bugs related to changing the vm_ops
Bug: 192459295
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Change-Id: Id07802e5a3e18918c5c46e31b73be4a594f7dc26
This reverts commit fca37c251a.
Reason for revert: mmap_count is no longer used for reporting dma-bufs and introduces subtle bugs related to changing the vm_ops
Bug: 192459295
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Change-Id: I52fb55e1048a151fae7641c9646a231d59b3224d
Add ABI padding to some of the data structures to accommodate
new eMMC features enablement later.
Bug: 192337957
Change-Id: Ica3f96ea004fb89e4b46ef9734864c655cdcd277
Signed-off-by: Sahitya Tummala <quic_stummala@quicinc.com>
This change adds the rproc_coredump() and rproc_coredump_cleanup()
APIs to the qcom symbol list.
Bug: 188764827
Change-Id: I32a56f5d3caabc61ed94f6de0d7daa29becb490d
Signed-off-by: Siddharth Gupta <quic_sidgup@quicinc.com>
Add the the symbols exported by the remoteproc vendor hook to the
qcom symbol list.
Change-Id: Iffd58aa5d367141de1c065488519b29fb802fd86
Signed-off-by: Siddharth Gupta <quic_sidgup@quicinc.com>
