Commit Graph

1138084 Commits

Author SHA1 Message Date
Tomer Tayar
11669b58fa habanalabs: add an option to control watchdog timeout via debugfs
Add an option to control the timeout value for the driver's watchdog
of the reset process. The timeout represents the amount of the user
has to close his process once he gets a device reset notification from
the driver.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:43 +02:00
Tomer Tayar
a88a6f5f5c habanalabs: add support for graceful hard reset
Calling hl_device_reset() for a hard reset will lead to a quite
immediate device reset and to killing user process.
For resets that follow errors, it disables the option to debug the
errors on both the device side and the user application side.

This patch adds a 'graceful hard reset' option and a new
hl_device_cond_reset() function.
Under some conditions, mainly if there is no user process or if he is
not registered to driver notifications, this function will execute hard
reset as usual.
Otherwise, the reset will be postponed and a notification will be sent
to user, to let him perform post-error actions and then to release the
device, after which reset will take place.

If device is not released by user in some defined time, a watchdog work
will execute the reset in any case.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:43 +02:00
Ohad Sharabi
d1e0ac37ed habanalabs: avoid divide by zero in device utilization
Currently there is no verification whether the divisor is legal.

Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:43 +02:00
Dani Liberman
6bcb2d05a5 habanalabs: fix user mappings calculation in case of page fault
As there are 2 types of user mappings, pmmu and hmmu, calculate
only the relevant mappings for the requested type.

Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:43 +02:00
Tomer Tayar
5ad06bb1d2 habanalabs/gaudi2: remove configurations to access the MSI-X doorbell
The virtual MSI-X doorbell is supported now in F/W, so all
configurations to access the PCIE_DBI MSI-X doorbell can be removed.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:43 +02:00
Ohad Sharabi
e325d5dbf3 habanalabs: allow setting HBM BAR to other regions
Up until now the use-case in the driver was that the HBM is accessed
using the HBM BAR, yet the BAR sometimes cannot cover the whole HBM and
so we needed to set the BAR to other HBM offset.
Now we are facing the need to access other PCI memory regions that can
be covered by the HBM BAR.
To answer that we are allowing the caller to determine if the HBM BAR
need to be set or not regardless of the PCI memory region.

Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:43 +02:00
Ohad Sharabi
24fdfb359c habanalabs: fix using freed pointer
The code uses the pointer for trace purpose (without actually
dereference it) but still get static analysis warning.
This patch eliminate the warning.

Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:43 +02:00
Dilip Puri
dc8d243cae habanalabs/gaudi2: unsecure CBU_EARLY_BRESP registers
NIC ARCs need to have access to CBU_EARLY_BRESP, hence we unsecure
those registers.

Signed-off-by: Dilip Puri <dilipp@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:42 +02:00
Tal Cohen
27cd39afde habanalabs: verify no zero event is sent
The event notifier mechanism should not raise an empty
event (event equals zero).

Signed-off-by: Tal Cohen <talcohen@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:42 +02:00
Dani Liberman
4f11694f27 habanalabs/gaudi2: capture page fault data
Capture page fault data when it happens.

Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:42 +02:00
Dani Liberman
15ac503cdc habanalabs/gaudi2: capture RAZWI information
Added function to calculate possible engines which caused
RAZWI (read-only zero, write ignored), from a given router id or
module index.

When getting RAZWI via PSOC IP, first the router id is calculated
and then the possible engines that caused the RAZWI are calculated.

There is a possibility that the RAZWI initiator is not an engine. In
that case, it will not be included in possible engines as it
doesn't have an engine id.

RAZWI information is captured when receiving event from engine or via
PSOC IP.

Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:41 +02:00
Dani Liberman
17f3f42af2 habanalabs: handle HBM MMU when capturing page fault data
In case of HBM MMU page fault, capture its relevant mappings.

Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:40 +02:00
Tomer Tayar
1eebb25929 habanalabs: move reset workqueue to be under hl_device
'struct hl_device_reset_work' is used as a wrapper for the reset work
and its parameters, including the reset workqueue on which it runs.
In a future commit, another reset related work with similar parameters
is going to be added, but it won't use the reset workqueue.

As in any case there is a single reset workqueue, and to allow the resue
of this structure, move the reset workqueue to 'struct hl_device'.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:40 +02:00
Tomer Tayar
51236cd95e habanalabs: allow unregistering eventfd when device non-operational
Unregistering eventfd is for releasing host resources and doesn't
involve an access to the device. As such, there is no reason to disallow
it when device isn't operational.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:40 +02:00
Tomer Tayar
3a83ebc521 habanalabs: skip idle status check if reset on device release
If reset upon device release is enabled, there is no need to check the
device idle status in hpriv_release(), because device is going to be
reset in any case.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:40 +02:00
Tal Cohen
5731b6e6f0 habanalabs/gaudi2: add device unavailable notification
Device unavailable notifies the user that there isn't an option to
retrieve debug information from the device.
When a critical device error occurs and the f/w performs the device
reset, a device unavailable notification shall be sent to the user
process.

Signed-off-by: Tal Cohen <talcohen@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:40 +02:00
Koby Elbaz
16448d6444 habanalabs/gaudi2: remove privileged MME clock configuration
Privileged MME clock configuration is removed as it is done by the f/w.

Signed-off-by: Koby Elbaz <kelbaz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:40 +02:00
Dafna Hirschfeld
189b203ebb habanalabs: replace 'pf' to 'prefetch'
pf was an abbreviation for prefetch but because pf already stands
for 'physical function', we decided to change it to 'prefetch'.

Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:40 +02:00
Dani Liberman
dd600db47b habanalabs: add page fault info uapi
Only the first page fault will be saved.
Besides the address which caused the page fault, the driver captures
all of the mmu user mappings.
User can retrieve this data via the new uapi (new opcode in INFO ioctl).

Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:40 +02:00
Tomer Tayar
6d1c567f2a habanalabs/gaudi2: fix module ID for RAZWI handling
RAZWI is optionally handled as part of the generic QM SEI error
handling, but it always uses PDMA as the module ID.
Fix it to use the suitable module ID according to the specific event.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:40 +02:00
Bharat Jauhari
0502df9bbe habanalabs: use lower_32_bits()
This fixes sparse warning on doing cast to 32-bits

Signed-off-by: Bharat Jauhari <bjauhari@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:40 +02:00
Dani Liberman
52d5e54695 habanalabs: refactor razwi event notification
This event notification was compatible only with gaudi, where razwi
and page fault happens together.

To make it compatible with all ASICs, this refactor contains:

1. Razwi notification will only notify about razwi info.
   New notification will be added in future patch, to retrieve data
   about page fault error.

2. Changed razwi info structure to support all ASICs.

Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:39 +02:00
Oded Gabbay
ea73ef14dd habanalabs: Use simplified API for p2p dist calc
Use the simplified API that calculates distance between two devices.

Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:39 +02:00
Ofir Bitton
a925d90b36 habanalabs: allow control device open during reset
Monitoring apps would like to query device state at any time so we
should allow it also during reset because it doesn't involve
accessing the h/w.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:39 +02:00
Yang Yingliang
8749c27895 habanalabs: fix return value check in hl_fw_get_sec_attest_data()
If hl_cpu_accessible_dma_pool_alloc() fails, we should check
'req_cpu_addr', fix it.

Fixes: 0c88760f8f ("habanalabs/gaudi2: add secured attestation info uapi")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2022-11-23 16:13:39 +02:00
Greg Kroah-Hartman
210a671cc3 Linux 6.1-rc6
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Merge 6.1-rc6 into char-misc-next

We need the char/misc fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-11-21 10:05:34 +01:00
Linus Torvalds
eb7081409f Linux 6.1-rc6 2022-11-20 16:02:16 -08:00
Linus Torvalds
c6c67bf9bc tracing/probes: Fixes for v6.1
- Fix possible NULL pointer dereference  on trace_event_file in kprobe_event_gen_test_exit()
 
 - Fix NULL pointer dereference for trace_array in kprobe_event_gen_test_exit()
 
 - Fix memory leak of filter string for eprobes
 
 - Fix a possible memory leak in rethook_alloc()
 
 - Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case
   which can cause a possible use-after-free
 
 - Fix warning in eprobe filter creation
 
 - Fix eprobe filter creation as it picked the wrong event for the fields
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Merge tag 'trace-probes-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing/probes fixes from Steven Rostedt:

 - Fix possible NULL pointer dereference on trace_event_file in
   kprobe_event_gen_test_exit()

 - Fix NULL pointer dereference for trace_array in
   kprobe_event_gen_test_exit()

 - Fix memory leak of filter string for eprobes

 - Fix a possible memory leak in rethook_alloc()

 - Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case which
   can cause a possible use-after-free

 - Fix warning in eprobe filter creation

 - Fix eprobe filter creation as it picked the wrong event for the
   fields

* tag 'trace-probes-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/eprobe: Fix eprobe filter to make a filter correctly
  tracing/eprobe: Fix warning in filter creation
  kprobes: Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case
  rethook: fix a potential memleak in rethook_alloc()
  tracing/eprobe: Fix memory leak of filter string
  tracing: kprobe: Fix potential null-ptr-deref on trace_array in kprobe_event_gen_test_exit()
  tracing: kprobe: Fix potential null-ptr-deref on trace_event_file in kprobe_event_gen_test_exit()
2022-11-20 15:31:20 -08:00
Linus Torvalds
5239ddeb48 Tracing fixes:
- Fix polling to block on watermark like the reads do, as user space
   applications get confused when the select says read is available, and then
   the read blocks.
 
 - Fix accounting of ring buffer dropped pages as it is what is used to
   determine if the buffer is empty or not.
 
 - Fix memory leak in tracing_read_pipe()
 
 - Fix struct trace_array warning about being declared in parameters
 
 - Fix accounting of ftrace pages used in output at start up.
 
 - Fix allocation of dyn_ftrace pages by subtracting one from order instead of
   diving it by 2
 
 - Static analyzer found a case were a pointer being used outside of a NULL
   check. (rb_head_page_deactivate())
 
 - Fix possible NULL pointer dereference if kstrdup() fails in ftrace_add_mod()
 
 - Fix memory leak in test_gen_synth_cmd() and test_empty_synth_event()
 
 - Fix bad pointer dereference in register_synth_event() on error path.
 
 - Remove unused __bad_type_size() method
 
 - Fix possible NULL pointer dereference of entry in list 'tr->err_log'
 
 - Fix NULL pointer deference race if eprobe is called before the event setup
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Merge tag 'trace-v6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Fix polling to block on watermark like the reads do, as user space
   applications get confused when the select says read is available, and
   then the read blocks

 - Fix accounting of ring buffer dropped pages as it is what is used to
   determine if the buffer is empty or not

 - Fix memory leak in tracing_read_pipe()

 - Fix struct trace_array warning about being declared in parameters

 - Fix accounting of ftrace pages used in output at start up.

 - Fix allocation of dyn_ftrace pages by subtracting one from order
   instead of diving it by 2

 - Static analyzer found a case were a pointer being used outside of a
   NULL check (rb_head_page_deactivate())

 - Fix possible NULL pointer dereference if kstrdup() fails in
   ftrace_add_mod()

 - Fix memory leak in test_gen_synth_cmd() and test_empty_synth_event()

 - Fix bad pointer dereference in register_synth_event() on error path

 - Remove unused __bad_type_size() method

 - Fix possible NULL pointer dereference of entry in list 'tr->err_log'

 - Fix NULL pointer deference race if eprobe is called before the event
   setup

* tag 'trace-v6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing: Fix race where eprobes can be called before the event
  tracing: Fix potential null-pointer-access of entry in list 'tr->err_log'
  tracing: Remove unused __bad_type_size() method
  tracing: Fix wild-memory-access in register_synth_event()
  tracing: Fix memory leak in test_gen_synth_cmd() and test_empty_synth_event()
  ftrace: Fix null pointer dereference in ftrace_add_mod()
  ring_buffer: Do not deactivate non-existant pages
  ftrace: Optimize the allocation for mcount entries
  ftrace: Fix the possible incorrect kernel message
  tracing: Fix warning on variable 'struct trace_array'
  tracing: Fix memory leak in tracing_read_pipe()
  ring-buffer: Include dropped pages in counting dirty patches
  tracing/ring-buffer: Have polling block on watermark
2022-11-20 15:25:32 -08:00
Steven Rostedt (Google)
94eedf3dde tracing: Fix race where eprobes can be called before the event
The flag that tells the event to call its triggers after reading the event
is set for eprobes after the eprobe is enabled. This leads to a race where
the eprobe may be triggered at the beginning of the event where the record
information is NULL. The eprobe then dereferences the NULL record causing
a NULL kernel pointer bug.

Test for a NULL record to keep this from happening.

Link: https://lore.kernel.org/linux-trace-kernel/20221116192552.1066630-1-rafaelmendsr@gmail.com/
Link: https://lore.kernel.org/linux-trace-kernel/20221117214249.2addbe10@gandalf.local.home

Cc: Linux Trace Kernel <linux-trace-kernel@vger.kernel.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Cc: stable@vger.kernel.org
Fixes: 7491e2c442 ("tracing: Add a probe that attaches to trace events")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reported-by: Rafael Mendonca <rafaelmendsr@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-11-20 14:05:50 -05:00
Linus Torvalds
894909f95a - Do not hold fpregs lock when inheriting FPU permissions because the
fpregs lock disables preemption on RT but fpu_inherit_perms() does
 spin_lock_irq(), which, on RT, uses rtmutexes and they need to be
 preemptible.
 
 - Check the page offset and the length of the data supplied by userspace
 for overflow when specifying a set of pages to add to an SGX enclave
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Merge tag 'x86_urgent_for_v6.1_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:

 - Do not hold fpregs lock when inheriting FPU permissions because the
   fpregs lock disables preemption on RT but fpu_inherit_perms() does
   spin_lock_irq(), which, on RT, uses rtmutexes and they need to be
   preemptible.

 - Check the page offset and the length of the data supplied by
   userspace for overflow when specifying a set of pages to add to an
   SGX enclave

* tag 'x86_urgent_for_v6.1_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu: Drop fpregs lock before inheriting FPU permissions
  x86/sgx: Add overflow check in sgx_validate_offset_length()
2022-11-20 10:47:39 -08:00
Linus Torvalds
d4f754c361 - Fix a small race on the task's exit path where there's a
misunderstanding whether the task holds rq->lock or not
 
 - Prevent processes from getting killed when using deprecated or unknown
 rseq ABI flags in order to be able to fuzz the rseq() syscall with
 syzkaller
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Merge tag 'sched_urgent_for_v6.1_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Borislav Petkov:

 - Fix a small race on the task's exit path where there's a
   misunderstanding whether the task holds rq->lock or not

 - Prevent processes from getting killed when using deprecated or
   unknown rseq ABI flags in order to be able to fuzz the rseq() syscall
   with syzkaller

* tag 'sched_urgent_for_v6.1_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Fix race in task_call_func()
  rseq: Use pr_warn_once() when deprecated/unknown ABI flags are encountered
2022-11-20 10:43:52 -08:00
Linus Torvalds
eb0ef8add5 - Fix an intel PT erratum where CPUs do not support single range output
for more than 4K
 
 - Fix a NULL ptr dereference which can happen after an NMI interferes
 with the event enabling dance in amd_pmu_enable_all()
 
 - Free the events array too when freeing uncore contexts on CPU online,
   thereby fixing a memory leak
 
 - Improve the pending SIGTRAP check
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Merge tag 'perf_urgent_for_v6.1_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Borislav Petkov:

 - Fix an intel PT erratum where CPUs do not support single range output
   for more than 4K

 - Fix a NULL ptr dereference which can happen after an NMI interferes
   with the event enabling dance in amd_pmu_enable_all()

 - Free the events array too when freeing uncore contexts on CPU online,
   thereby fixing a memory leak

 - Improve the pending SIGTRAP check

* tag 'perf_urgent_for_v6.1_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/pt: Fix sampling using single range output
  perf/x86/amd: Fix crash due to race between amd_pmu_enable_all, perf NMI and throttling
  perf/x86/amd/uncore: Fix memory leak for events array
  perf: Improve missing SIGTRAP checking
2022-11-20 10:41:14 -08:00
Linus Torvalds
6a211a753d - Fix a build error with clang 11
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Merge tag 'locking_urgent_for_v6.1_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking fix from Borislav Petkov:

 - Fix a build error with clang 11

* tag 'locking_urgent_for_v6.1_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking: Fix qspinlock/x86 inline asm error
2022-11-20 10:39:45 -08:00
Linus Torvalds
712fb83dc3 powerpc fixes for 6.1 #5
- Fix writable sections being moved into the rodata region.
 
 Thanks to: Nicholas Piggin, Christophe Leroy.
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Merge tag 'powerpc-6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fix from Michael Ellerman:

 - Fix writable sections being moved into the rodata region.

Thanks to Nicholas Piggin and Christophe Leroy.

* tag 'powerpc-6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc: Fix writable sections being moved into the rodata region
2022-11-20 09:47:33 -08:00
Linus Torvalds
77c51ba552 SCSI fixes on 20221119
Five small fixes, all in drivers.  Most of these are error leg freeing
 issues, with the only really user visible one being the zfcp fix.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Five small fixes, all in drivers.

  Most of these are error leg freeing issues, with the only really user
  visible one being the zfcp fix"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: iscsi: Fix possible memory leak when device_register() failed
  scsi: zfcp: Fix double free of FSF request when qdio send fails
  scsi: scsi_debug: Fix possible UAF in sdebug_add_host_helper()
  scsi: target: tcm_loop: Fix possible name leak in tcm_loop_setup_hba_bus()
  scsi: mpi3mr: Suppress command reply debug prints
2022-11-19 15:51:22 -08:00
Linus Torvalds
b6e7fdfd6f IOMMU Fixes for Linux v6.1-rc5
Including:
 
 	- Fix presetting accessed bits in Intel VT-d page-directory
 	  entries to avoid hardware error
 
 	- Set supervisor bit only when Intel IOMMU has the SRS
 	  capability
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Merge tag 'iommu-fixes-v6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fixes from Joerg Roedel:

 - Preset accessed bits in Intel VT-d page-directory entries to avoid
   hardware error

 - Set supervisor bit only when Intel IOMMU has the SRS capability

* tag 'iommu-fixes-v6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/vt-d: Set SRE bit only when hardware has SRS cap
  iommu/vt-d: Preset Access bit for IOVA in FL non-leaf paging entries
2022-11-19 09:08:57 -08:00
Linus Torvalds
8c67d863a9 Kbuild fixes for v6.1 (3rd)
- Update MAINTAINERS with Nathan and Nicolas as new Kbuild reviewers.
 
  - Increment the debian revision for deb-pkg builds
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Merge tag 'kbuild-fixes-v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Update MAINTAINERS with Nathan and Nicolas as new Kbuild reviewers

 - Increment the debian revision for deb-pkg builds

* tag 'kbuild-fixes-v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: Restore .version auto-increment behaviour for Debian packages
  MAINTAINERS: Add linux-kbuild's patchwork
  MAINTAINERS: Remove Michal Marek from Kbuild maintainers
  MAINTAINERS: Add Nathan and Nicolas to Kbuild reviewers
2022-11-19 09:03:20 -08:00
Linus Torvalds
926028aaa3 4 cifs/smb3 client fixes
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Merge tag '6.1-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:

 - two missing and one incorrect return value checks

 - fix leak on tlink mount failure

* tag '6.1-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: add check for returning value of SMB2_set_info_init
  cifs: Fix wrong return value checking when GETFLAGS
  cifs: add check for returning value of SMB2_close_init
  cifs: Fix connections leak when tlink setup failed
2022-11-19 08:58:58 -08:00
Tina Zhang
7fc961cf7f iommu/vt-d: Set SRE bit only when hardware has SRS cap
SRS cap is the hardware cap telling if the hardware IOMMU can support
requests seeking supervisor privilege or not. SRE bit in scalable-mode
PASID table entry is treated as Reserved(0) for implementation not
supporting SRS cap.

Checking SRS cap before setting SRE bit can avoid the non-recoverable
fault of "Non-zero reserved field set in PASID Table Entry" caused by
setting SRE bit while there is no SRS cap support. The fault messages
look like below:

 DMAR: DRHD: handling fault status reg 2
 DMAR: [DMA Read NO_PASID] Request device [00:0d.0] fault addr 0x1154e1000
       [fault reason 0x5a]
       SM: Non-zero reserved field set in PASID Table Entry

Fixes: 6f7db75e1c ("iommu/vt-d: Add second level page table interface")
Cc: stable@vger.kernel.org
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Link: https://lore.kernel.org/r/20221115070346.1112273-1-tina.zhang@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20221116051544.26540-3-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2022-11-19 10:46:52 +01:00
Tina Zhang
242b0aaeab iommu/vt-d: Preset Access bit for IOVA in FL non-leaf paging entries
The A/D bits are preseted for IOVA over first level(FL) usage for both
kernel DMA (i.e, domain typs is IOMMU_DOMAIN_DMA) and user space DMA
usage (i.e., domain type is IOMMU_DOMAIN_UNMANAGED).

Presetting A bit in FL requires to preset the bit in every related paging
entries, including the non-leaf ones. Otherwise, hardware may treat this
as an error. For example, in a case of ECAP_REG.SMPWC==0, DMA faults might
occur with below DMAR fault messages (wrapped for line length) dumped.

 DMAR: DRHD: handling fault status reg 2
 DMAR: [DMA Read NO_PASID] Request device [aa:00.0] fault addr 0x10c3a6000
    [fault reason 0x90]
    SM: A/D bit update needed in first-level entry when set up in no snoop

Fixes: 289b3b005c ("iommu/vt-d: Preset A/D bits for user space DMA usage")
Cc: stable@vger.kernel.org
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Link: https://lore.kernel.org/r/20221113010324.1094483-1-tina.zhang@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20221116051544.26540-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2022-11-19 10:46:51 +01:00
Linus Torvalds
fe24a97cf2 Input updates for v6.1-rc5
- a fix for 8042 to stop leaking platform device on unload
 
 - a fix for Goodix touchscreens on devices like Nanote UMPC-01 where we
   need to reset controller to load config from firmware
 
 - a workaround for Acer Switch to avoid interrupt storm from home and
   power buttons
 
 - a workaround for more ASUS ZenBook models to detect keyboard
   controller
 
 - a fix for iforce driver to properly handle communication errors
 
 - touchpad on HP Laptop 15-da3001TU switched to RMI mode
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Merge tag 'input-for-v6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input fixes from Dmitry Torokhov:

 - a fix for 8042 to stop leaking platform device on unload

 - a fix for Goodix touchscreens on devices like Nanote UMPC-01 where we
   need to reset controller to load config from firmware

 - a workaround for Acer Switch to avoid interrupt storm from home and
   power buttons

 - a workaround for more ASUS ZenBook models to detect keyboard
   controller

 - a fix for iforce driver to properly handle communication errors

 - touchpad on HP Laptop 15-da3001TU switched to RMI mode

* tag 'input-for-v6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: i8042 - fix leaking of platform device on module removal
  Input: i8042 - apply probe defer to more ASUS ZenBook models
  Input: soc_button_array - add Acer Switch V 10 to dmi_use_low_level_irq[]
  Input: soc_button_array - add use_low_level_irq module parameter
  Input: iforce - invert valid length check when fetching device IDs
  Input: goodix - try resetting the controller when no config is set
  dt-bindings: input: touchscreen: Add compatible for Goodix GT7986U chip
  Input: synaptics - switch touchpad on HP Laptop 15-da3001TU to RMI mode
2022-11-18 17:56:29 -08:00
Linus Torvalds
bf5003a0dc zonefs fixes for 6.1-rc6
- Fix the IO error recovery path for failures happening in the last
    zone of device, and that zone is a "runt" zone (smaller than the
    other zone). The current code was failing to properly obtain a zone
    report in that case.
 
  - Remove the unused to_attr() function as it is unused, causing
    compilation warnings with clang.
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Merge tag 'zonefs-6.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs

Pull zonefs fixes from Damien Le Moal:

 - Fix the IO error recovery path for failures happening in the last
   zone of device, and that zone is a "runt" zone (smaller than the
   other zone). The current code was failing to properly obtain a zone
   report in that case.

 - Remove the unused to_attr() function as it is unused, causing
   compilation warnings with clang.

* tag 'zonefs-6.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
  zonefs: Remove to_attr() helper function
  zonefs: fix zone report size in __zonefs_io_error()
2022-11-18 17:17:42 -08:00
Chen Jun
81cd7e8489 Input: i8042 - fix leaking of platform device on module removal
Avoid resetting the module-wide i8042_platform_device pointer in
i8042_probe() or i8042_remove(), so that the device can be properly
destroyed by i8042_exit() on module unload.

Fixes: 9222ba68c3 ("Input: i8042 - add deferred probe support")
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Link: https://lore.kernel.org/r/20221109034148.23821-1-chenjun102@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-11-18 15:59:02 -08:00
Linus Torvalds
a66e4cbf7a io_uring-6.1-2022-11-18
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Merge tag 'io_uring-6.1-2022-11-18' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:
 "This is mostly fixing issues around the poll rework, but also two
  tweaks for the multishot handling for accept and receive.

  All stable material"

* tag 'io_uring-6.1-2022-11-18' of git://git.kernel.dk/linux:
  io_uring: disallow self-propelled ring polling
  io_uring: fix multishot recv request leaks
  io_uring: fix multishot accept request leaks
  io_uring: fix tw losing poll events
  io_uring: update res mask in io_poll_check_events
2022-11-18 14:59:53 -08:00
Linus Torvalds
23a60a03d9 arm64 fixes:
- Fix a build error with CONFIG_CFI_CLANG + CONFIG_FTRACE when
   CONFIG_FUNCTION_GRAPH_TRACER is not enabled.
 
 - Fix a BUG_ON triggered by the page table checker due to incorrect
   file_map_count for non-leaf pmd/pud (the arm64
   pmd_user_accessible_page() not checking whether it's a leaf entry).
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Fix a build error with CONFIG_CFI_CLANG + CONFIG_FTRACE when
   CONFIG_FUNCTION_GRAPH_TRACER is not enabled.

 - Fix a BUG_ON triggered by the page table checker due to incorrect
   file_map_count for non-leaf pmd/pud (the arm64
   pmd_user_accessible_page() not checking whether it's a leaf entry).

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/mm: fix incorrect file_map_count for non-leaf pmd/pud
  arm64: ftrace: Define ftrace_stub_graph only with FUNCTION_GRAPH_TRACER
2022-11-18 14:31:03 -08:00
Linus Torvalds
f4408c3dfc block-6.1-2022-11-18
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Merge tag 'block-6.1-2022-11-18' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - NVMe pull request via Christoph:
      - Two more bogus nid quirks (Bean Huo, Tiago Dias Ferreira)
      - Memory leak fix in nvmet (Sagi Grimberg)

 - Regression fix for block cgroups pinning the wrong blkcg, causing
   leaks of cgroups and blkcgs (Chris)

 - UAF fix for drbd setup error handling (Dan)

 - Fix DMA alignment propagation in DM (Keith)

* tag 'block-6.1-2022-11-18' of git://git.kernel.dk/linux:
  dm-log-writes: set dma_alignment limit in io_hints
  dm-integrity: set dma_alignment limit in io_hints
  block: make blk_set_default_limits() private
  dm-crypt: provide dma_alignment limit in io_hints
  block: make dma_alignment a stacking queue_limit
  nvmet: fix a memory leak in nvmet_auth_set_key
  nvme-pci: add NVME_QUIRK_BOGUS_NID for Netac NV7000
  drbd: use after free in drbd_create_device()
  nvme-pci: add NVME_QUIRK_BOGUS_NID for Micron Nitro
  blk-cgroup: properly pin the parent in blkcg_css_online
2022-11-18 13:59:45 -08:00
Linus Torvalds
b5bf1d8a23 drm fixes for 6.1-rc6
core:
 - Fix potential memory leak in drm_dev_init()
 - Fix potential null-ptr-deref in drm_vblank_destroy_worker()
 - Revert hiding unregistered connectors from userspace, as it breaks on DP-MST.
 - Add workaround for DP++ dual mode adaptors that don't support
   i2c subaddressing.
 
 i915:
 - Fix uaf with lmem_userfault_list handling
 
 amdgpu:
 - gang submit fixes
 - Fix a possible memory leak in ganng submit error path
 - DP tunneling fixes
 - DCN 3.1 page flip fix
 - DCN 3.2.x fixes
 - DCN 3.1.4 fixes
 - Don't expose degamma on hardware that doesn't support it
 - BACO fixes for SMU 11.x
 - BACO fixes for SMU 13.x
 - Virtual display fix for devices with no display hardware
 
 amdkfd:
 - Memory limit regression fix
 
 tegra:
 - tegra20 GART fix
 
 vc4:
 - Fix error handling in vc4_atomic_commit_tail()
 
 lima:
 - Set lima's clkname corrrectly when regulator is missing.
 
 panel:
 - Set bpc for logictechno panels.
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Merge tag 'drm-fixes-2022-11-19' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "I guess the main question is are things settling down, and I'd say
  kinda, these are all pretty small fixes, nothing big stands out
  really, just seems to be quite a few of them.

  Mostly amdgpu and core fixes, with some i915, tegra, vc4, panel bits.

  core:
   - Fix potential memory leak in drm_dev_init()
   - Fix potential null-ptr-deref in drm_vblank_destroy_worker()
   - Revert hiding unregistered connectors from userspace, as it breaks
     on DP-MST
   - Add workaround for DP++ dual mode adaptors that don't support i2c
     subaddressing

  i915:
   - Fix uaf with lmem_userfault_list handling

  amdgpu:
   - gang submit fixes
   - Fix a possible memory leak in ganng submit error path
   - DP tunneling fixes
   - DCN 3.1 page flip fix
   - DCN 3.2.x fixes
   - DCN 3.1.4 fixes
   - Don't expose degamma on hardware that doesn't support it
   - BACO fixes for SMU 11.x
   - BACO fixes for SMU 13.x
   - Virtual display fix for devices with no display hardware

  amdkfd:
   - Memory limit regression fix

  tegra:
   - tegra20 GART fix

  vc4:
   - Fix error handling in vc4_atomic_commit_tail()

  lima:
   - Set lima's clkname corrrectly when regulator is missing

  panel:
   - Set bpc for logictechno panels"

* tag 'drm-fixes-2022-11-19' of git://anongit.freedesktop.org/drm/drm: (28 commits)
  gpu: host1x: Avoid trying to use GART on Tegra20
  drm/display: Don't assume dual mode adaptors support i2c sub-addressing
  drm/amd/pm: fix SMU13 runpm hang due to unintentional workaround
  drm/amd/pm: enable runpm support over BACO for SMU13.0.7
  drm/amd/pm: enable runpm support over BACO for SMU13.0.0
  drm/amdgpu: there is no vbios fb on devices with no display hw (v2)
  drm/amdkfd: Fix a memory limit issue
  drm/amdgpu: disable BACO support on more cards
  drm/amd/display: don't enable DRM CRTC degamma property for DCE
  drm/amd/display: Set max for prefetch lines on dcn32
  drm/amd/display: use uclk pstate latency for fw assisted mclk validation dcn32
  drm/amd/display: Fix prefetch calculations for dcn32
  drm/amd/display: Fix optc2_configure warning on dcn314
  drm/amd/display: Fix calculation for cursor CAB allocation
  Revert "drm: hide unregistered connectors from GETCONNECTOR IOCTL"
  drm/amd/display: Support parsing VRAM info v3.0 from VBIOS
  drm/amd/display: Fix invalid DPIA AUX reply causing system hang
  drm/amdgpu: Add psp_13_0_10_ta firmware to modinfo
  drm/amd/display: Add HUBP surface flip interrupt handler
  drm/amd/display: Fix access timeout to DPIA AUX at boot time
  ...
2022-11-18 13:31:40 -08:00
Linus Torvalds
ab290eaddc s390 updates for 6.1-rc6
- Fix deadlock in discontiguous saved segments (DCSS) block device
   driver. When adding a disk and scanning partitions the scan would
   not break out early without a missed flag.
 
 - Avoid using global register variable for current_stack_pointer
   due to an old bug in gcc versions prior to gcc-8.4. Due to this
   bug a broken code is generated, which leads to stack corruptions.
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Merge tag 's390-6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Alexander Gordeev:

 - Fix deadlock in discontiguous saved segments (DCSS) block device
   driver. When adding a disk and scanning partitions the scan would not
   break out early without a missed flag.

 - Avoid using global register variable for current_stack_pointer due to
   an old bug in gcc versions prior to gcc-8.4. Due to this bug a broken
   code is generated, which leads to stack corruptions.

* tag 's390-6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390: avoid using global register for current_stack_pointer
  s390/dcssblk: fix deadlock when adding a DCSS
2022-11-18 12:30:23 -08:00
Linus Torvalds
5556a78c74 - Fix misbehavior if list_versions DM ioctl races with module
loading.
 
 - Fix missing decrement of no_sleep_enabled if dm_bufio_client_create
   failed.
 
 - Allow DM integrity devices to be activated in read-only mode.
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Merge tag 'for-6.1/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - Fix misbehavior if list_versions DM ioctl races with module loading

 - Fix missing decrement of no_sleep_enabled if dm_bufio_client_create
   failed

 - Allow DM integrity devices to be activated in read-only mode

* tag 'for-6.1/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm integrity: clear the journal on suspend
  dm integrity: flush the journal on suspend
  dm bufio: Fix missing decrement of no_sleep_enabled if dm_bufio_client_create failed
  dm ioctl: fix misbehavior if list_versions races with module loading
2022-11-18 12:23:35 -08:00