The local variable 'syscall' is not used anymore, remove it.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20221121075237.127706-5-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
On Arm64 a case is perf tools fails to find the corresponding trace
point folder for system calls listed in the table 'syscalltbl_arm64',
e.g. the generated system call table contains "lookup_dcookie" but we
cannot find out the matched trace point folder for it.
We need to figure out if there have any issue for the generated system
call table, on the other hand, we need to handle the case when trace
point folder is missed under sysfs, this patch sets the flag
syscall::nonexistent as true and returns the error from
trace__read_syscall_info().
Another problem is for trace__syscall_info(), it returns two different
values if a system call doesn't exist: at the first time calling
trace__syscall_info() it returns NULL when the system call doesn't exist,
later if call trace__syscall_info() again for the same missed system
call, it returns pointer of syscall. trace__syscall_info() checks the
condition 'syscalls.table[id].name == NULL', but the name will be
assigned in the first invoking even the system call is not found.
So checking system call's name in trace__syscall_info() is not the right
thing to do, this patch simply checks flag syscall::nonexistent to make
decision if a system call exists or not, finally trace__syscall_info()
returns the consistent result (NULL) if a system call doesn't existed.
Fixes: b8b1033fca ("perf trace: Mark syscall ids that are not allocated to avoid unnecessary error messages")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: bpf@vger.kernel.org
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221121075237.127706-4-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
When a system call is not detected, the reason is either because the
system call ID is out of scope or failure to find the corresponding path
in the sysfs, trace__read_syscall_info() returns zero. Finally, without
returning an error value it introduces confusion for the caller.
This patch lets the function trace__read_syscall_info() to return
-EEXIST when a system call doesn't exist.
Fixes: b8b1033fca ("perf trace: Mark syscall ids that are not allocated to avoid unnecessary error messages")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: bpf@vger.kernel.org
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221121075237.127706-3-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This patch defines a macro RAW_SYSCALL_ARGS_NUM to replace the open
coded number '6'.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20221121075237.127706-2-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Rather than controlling the list output with passed flags, add
callbacks that are called when an event or metric are
encountered. State is passed to the callback so that command line
options can be respected, alternatively the callbacks can be changed.
Fix a few bugs:
- wordwrap to columns metric descriptions and expressions;
- remove unnecessary whitespace after PMU event names;
- the metric filter is a glob but matched using strstr which will
always fail, switch to using a proper globmatch,
- the detail flag gives details for extra kernel PMU events like
branch-instructions.
In metricgroup.c switch from struct mep being a rbtree of metricgroups
containing a list of metrics, to the tree directly containing all the
metrics. In general the alias for a name is passed to the print
routine rather than being contained in the name with OR.
Committer notes:
Check the asprint() return to address this on fedora 36:
util/print-events.c: In function ‘print_sdt_events’:
util/print-events.c:183:33: error: ignoring return value of ‘asprintf’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
183 | asprintf(&evt_name, "%s@%s(%.12s)", sdt_name->s, path, bid);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
$ gcc --version | head -1
gcc (GCC) 12.2.1 20220819 (Red Hat 12.2.1-2)
$
Fix ps.pmu_glob setting when dealing with *:* events, it was being left
with a freed pointer that then at the end of cmd_list() would be double
freed.
Check if pmu_name is NULL in default_print_event() before calling
strglobmatch(pmu_name, ...) to avoid a segfault.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Perry Taylor <perry.taylor@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Xin Gao <gaoxin@cdjrlc.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: http://lore.kernel.org/lkml/20221114210723.2749751-10-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The tools/lib includes fixes break LIBTRACEVENT_DYNAMIC as the makefile
erroneously had dependencies on building libtraceevent even when not
linking with it. This change fixes the issues with LIBTRACEEVENT_DYNAMIC
by making the built files optional.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: bpf@vger.kernel.org
Link: http://lore.kernel.org/lkml/20221116224631.207631-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
So that it can get rid of requirement of a compiler.
$ sudo ./perf test -v 109
109: Test data symbol :
--- start ---
test child forked, pid 844526
Recording workload...
[ perf record: Woken up 2 times to write data ]
[ perf record: Captured and wrote 0.354 MB /tmp/__perf_test.perf.data.GFeZO (4847 samples) ]
Cleaning up files...
test child finished with 0
---- end ----
Test data symbol: Ok
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: James Clark <james.clark@arm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221116233854.1596378-13-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The datasym workload is to check if perf mem command gets the data
addresses precisely. This is needed for data symbol test.
$ perf test -w datasym
I had to keep the buf1 in the data section, otherwise it could end
up in the BSS and was mmaped as a separate //anon region, then it
was not symbolized at all. It needs to be fixed separately.
Committer notes:
Add a -U _FORTIFY_SOURCE to the datasym CFLAGS, as the main perf flags
set it and it requires building with optimization, and this new test has
a -O0.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221116233854.1596378-12-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
So that it can get rid of requirement of a compiler. Also rename the
symbols to match with the perf test workload.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: James Clark <james.clark@arm.com>
Acked-by: German Gomez <german.gomez@arm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221116233854.1596378-11-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The brstack is to run different kinds of branches repeatedly. This is
necessary for brstack test case to verify if it has correct branch info.
$ perf test -w brstack
I renamed the internal functions to have brstack_ prefix as it's too
generic name.
Add a -U_FORTIFY_SOURCE to the brstack CFLAGS, as the main perf flags
set it and it requires building with optimization, and this new test has
a -O0.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221116233854.1596378-10-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
So that it can get rid of requirement of a compiler. I've also removed
killall as it'll kill perf process now and run the test workload for 10
sec instead.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: James Clark <james.clark@arm.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221116233854.1596378-9-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The sqrtloop creates a child process to run an infinite loop calling
sqrt() with rand(). This is needed for ARM SPE fork test.
$ perf test -w sqrtloop
It can take an optional argument to specify how long it will run in
seconds (default: 1).
Committer notes:
Explicitely ignored the sqrt() return to fix the build on systems where
the compiler complains it isn't being used.
And added a sqrtloop specific CFLAGS to disable optimizations to make
this a bit more robust wrt dead code elimination.
Doing that a -U_FORTIFY_SOURCE needs to be added, as -O0 is incompatible
with it.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221116233854.1596378-8-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
So that it can get rid of requirement of a compiler.
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: James Clark <james.clark@arm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221116233854.1596378-7-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The leafloop workload is to run an infinite loop in the test_leaf
function. This is needed for the ARM fp callgraph test to verify if it
gets the correct callchains.
$ perf test -w leafloop
Committer notes:
Add a:
-U_FORTIFY_SOURCE
to the leafloop CFLAGS as the main perf flags set it and it requires
building with optimization, and this new test has a -O0.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221116233854.1596378-6-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The BPMP firmware driver never worked on big-endian kernels, and
cannot easily be made portable. Add a dependency to make this clear
in case anyone ever wants to try a big-endian kernel on this hardware.
Link: https://lore.kernel.org/linux-arm-kernel/Y34FCQ3xTmcjqKRT@orome/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The drm_sched_entity_kill() is invoked twice by drm_sched_entity_destroy()
while userspace process is exiting or being killed. First time it's invoked
when sched entity is flushed and second time when entity is released. This
causes a lockup within wait_for_completion(entity_idle) due to how completion
API works.
Calling wait_for_completion() more times than complete() was invoked is a
error condition that causes lockup because completion internally uses
counter for complete/wait calls. The complete_all() must be used instead
in such cases.
This patch fixes lockup of Panfrost driver that is reproducible by killing
any application in a middle of 3d drawing operation.
Fixes: 2fdb8a8f07 ("drm/scheduler: rework entity flush, kill and fini")
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221123001303.533968-1-dmitry.osipenko@collabora.com
Use kfree_const() to free supply_name conditionally in create_regulator()
as supply_name may be allocated from kmalloc() or directly from .rodata
section.
Fixes: 87fe29b61f ("regulator: push allocations in create_regulator() outside of lock")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Link: https://lore.kernel.org/r/20221123034616.3609537-1-bobo.shaobowang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The dev_err_probe() has (at least) following benefits over dev_err()
when printing an error print for a failed function call at a device
driver probe:
- Omit error level print if error is 'EPRBE_DEFER'
- Standardized print format for returned error
- return the error value allowing shortening calls like:
if (ret) {
dev_err(...);
return ret;
}
to
if (ret)
return dev_err_probe(...);
Convert the ROHM BD718x7 regulator driver to use the dev_err_probe() when
returned error is not hard-coded constant.
NOTE:
This commit also changes the error handling path to return immediately
from a spot where the error is spotted instead of using a single point
of exit.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/fee54c2d04bb41b51381e31523f9ed31575206d2.1669203610.git.mazziesaccount@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The dev_err_probe() has (at least) following benefits over dev_err()
when printing an error print for a failed function call at a device
driver probe:
- Omit error level print if error is 'EPRBE_DEFER'
- Standardized print format for returned error
- return the error value allowing shortening calls like:
if (ret) {
dev_err(...);
return ret;
}
to
if (ret)
return dev_err_probe(...);
Convert the ROHM BD71828, ROHM BD71815 and ROHM BD9576 regulator drivers
to use the dev_err_probe() when returned error is not hard-coded constant.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/0b644da4a8f58558ffe474d2593f85c46de2f965.1669203610.git.mazziesaccount@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
A device-tree node name was printed when bd718x7 driver's feedback-loop
feature was developed. This print was accidentally left in driver. The
info-level print just pollutes the log.
Drop unnecessary pr_info()
Fixes: d2ad981151 ("regulator: bd718x7: Support external connection to scale voltages")
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/33fd99abf2451999938fef4ba6cf7b3f19e9b992.1669203610.git.mazziesaccount@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add RmNet support for LARA-L6.
LARA-L6 module can be configured (by AT interface) in three different
USB modes:
* Default mode (Vendor ID: 0x1546 Product ID: 0x1341) with 4 serial
interfaces
* RmNet mode (Vendor ID: 0x1546 Product ID: 0x1342) with 4 serial
interfaces and 1 RmNet virtual network interface
* CDC-ECM mode (Vendor ID: 0x1546 Product ID: 0x1343) with 4 serial
interface and 1 CDC-ECM virtual network interface
In RmNet mode LARA-L6 exposes the following interfaces:
If 0: Diagnostic
If 1: AT parser
If 2: AT parser
If 3: AT parset/alternative functions
If 4: RMNET interface
Signed-off-by: Davide Tronchin <davide.tronchin.94@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
When holding a reader-writer spin lock we cannot sleep. Calling
setup_udp_tunnel_sock() with write lock held violates this rule, because we
end up calling percpu_down_read(), which might sleep, as syzbot reports
[1]:
__might_resched.cold+0x222/0x26b kernel/sched/core.c:9890
percpu_down_read include/linux/percpu-rwsem.h:49 [inline]
cpus_read_lock+0x1b/0x140 kernel/cpu.c:310
static_key_slow_inc+0x12/0x20 kernel/jump_label.c:158
udp_tunnel_encap_enable include/net/udp_tunnel.h:187 [inline]
setup_udp_tunnel_sock+0x43d/0x550 net/ipv4/udp_tunnel_core.c:81
l2tp_tunnel_register+0xc51/0x1210 net/l2tp/l2tp_core.c:1509
pppol2tp_connect+0xcdc/0x1a10 net/l2tp/l2tp_ppp.c:723
Trim the writer-side critical section for sk_callback_lock down to the
minimum, so that it covers only operations on sk_user_data.
Also, when grabbing the sk_callback_lock, we always need to disable BH, as
Eric points out. Failing to do so leads to deadlocks because we acquire
sk_callback_lock in softirq context, which can get stuck waiting on us if:
1) it runs on the same CPU, or
CPU0
----
lock(clock-AF_INET6);
<Interrupt>
lock(clock-AF_INET6);
2) lock ordering leads to priority inversion
CPU0 CPU1
---- ----
lock(clock-AF_INET6);
local_irq_disable();
lock(&tcp_hashinfo.bhash[i].lock);
lock(clock-AF_INET6);
<Interrupt>
lock(&tcp_hashinfo.bhash[i].lock);
... as syzbot reports [2,3]. Use the _bh variants for write_(un)lock.
[1] https://lore.kernel.org/netdev/0000000000004e78ec05eda79749@google.com/
[2] https://lore.kernel.org/netdev/000000000000e38b6605eda76f98@google.com/
[3] https://lore.kernel.org/netdev/000000000000dfa31e05eda76f75@google.com/
v2:
- Check and set sk_user_data while holding sk_callback_lock for both
L2TP encapsulation types (IP and UDP) (Tetsuo)
Cc: Tom Parkin <tparkin@katalix.com>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Fixes: b68777d54f ("l2tp: Serialize access to sk_user_data with sk_callback_lock")
Reported-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot+703d9e154b3b58277261@syzkaller.appspotmail.com
Reported-by: syzbot+50680ced9e98a61f7698@syzkaller.appspotmail.com
Reported-by: syzbot+de987172bb74a381879b@syzkaller.appspotmail.com
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
kernel test robot reported indentation warnings:
Documentation/networking/devlink/devlink-port.rst:220: WARNING: Unexpected indentation.
Documentation/networking/devlink/devlink-port.rst:222: WARNING: Block quote ends without a blank line; unexpected unindent.
These warnings cause lists (arbitration flow for which the warnings blame to
and 3-step subfunction setup) to be rendered inline instead. Also, for the
former list, automatic list numbering is messed up.
Fix these warnings by adding missing blank line padding.
Link: https://lore.kernel.org/linux-doc/202211200926.kfOPiVti-lkp@intel.com/
Fixes: 242dd64375 ("Documentation: Add documentation for new devlink-rate attributes")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The dm9051_loop_rx() returns without release skb when dm9051_stop_mrcmd()
returns error, free the skb to avoid this leak.
Fixes: 2dc95a4d30 ("net: Add dm9051 driver")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In com20020_probe(), if com20020_config() fails, dev and info
will not be freed, which will lead to a memory leak.
This patch adds freeing dev and info after com20020_config()
fails to fix this bug.
Compile tested only.
Fixes: 15b99ac172 ("[PATCH] pcmcia: add return value to _config() functions")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge series from Cezary Rojewski <cezary.rojewski@intel.com>:
Two fixes that are result of the recent discussions [1][2].
First adds missing locking around snd_pcm_stop() while the second fix
sets substream state to DISCONNECTED if any suspend/resume related
operation fails so that userspace has means to be aware that something
went wrong during said operation.
The default_lists array should be in rodata.
Fixes: dce2bd5423 ("drm/i915/guc: Add Gen9 registers for GuC error state capture.")
Cc: Alan Previn <alan.previn.teres.alexis@intel.com>
Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221122141616.3469214-1-jani.nikula@intel.com
* Minor bugfixes for knav_qmss_queue, smartreflex drivers
* API optimizations including using devm, bitmap apis to
ti-sci, soc-info drivers
* k3-ringacc can now be built as modules for certain
distros that mandate such usage.
* k3-socinfo can now detect AM62A SoCs.
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Merge tag 'ti-driver-soc-for-v6.2-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers
TI SoC driver updates for v6.2 v2
* Minor bugfixes for knav_qmss_queue, smartreflex drivers
* API optimizations including using devm, bitmap apis to
ti-sci, soc-info drivers
* k3-ringacc can now be built as modules for certain
distros that mandate such usage.
* k3-socinfo can now detect AM62A SoCs.
* tag 'ti-driver-soc-for-v6.2-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
soc: ti: k3-socinfo: Add AM62Ax JTAG ID
soc: ti: smartreflex: Fix PM disable depth imbalance in omap_sr_probe
soc: ti: knav_qmss_queue: Fix PM disable depth imbalance in knav_queue_probe
firmware: ti_sci: Use devm_bitmap_zalloc when applicable
soc: ti: k3-ringacc: Allow the driver to be built as module
firmware: ti_sci: Fix polled mode during system suspend
firmware: ti_sci: Use the non-atomic bitmap API when applicable
firmware: ti_sci: Use the bitmap API to allocate bitmaps
drivers: soc: ti: knav_qmss_queue: Mark knav_acc_firmwares as static
Link: https://lore.kernel.org/r/20221122223856.fwackjg7fbd5jcz7@wannabe
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Sanity checks were added to verify the v4l2_bt_timings blanking fields
in order to avoid integer overflows when userspace passes weird values.
But that assumed that userspace would correctly fill in the front porch,
backporch and sync values, but sometimes all you know is the total
blanking, which is then assigned to just one of these fields.
And that can fail with these checks.
So instead set a maximum for the total horizontal and vertical
blanking and check that each field remains below that.
That is still sufficient to avoid integer overflows, but it also
allows for more flexibility in how userspace fills in these fields.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 4b6d66a45e ("media: v4l2-dv-timings: add sanity checks for blanking values")
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
New Features:
J721e:
* PWMs, BeagleBone AI-64 platform.
J721s2:
* Crypto
AM65/AM62:
* General purpose Timer support (system timer is still arch timer)
Fixes:
* Bunch of fixes in crypto usage and GPIO intr
* Minor schema related fixes for audio, addressing etc.
Cleanups:
* Refactor of device tree to "disable" peripherals at SoC level
for nodes that are un-usable without board level properties.
TI K3 devices have large number of peripherals of which only a
smaller subset is actually enabled on platforms. Switching
to this approach enables two benefits: lesser confusion in
creating board level devicetrees as only relevant pinned out
device nodes need enabled, as well as smaller board device
trees as most un-used peripherals don't need to explicitly
disabled.
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Merge tag 'ti-k3-dt-for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/dt
TI K3 devicetree updates for v6.2
New Features:
J721e:
* PWMs, BeagleBone AI-64 platform.
J721s2:
* Crypto
AM65/AM62:
* General purpose Timer support (system timer is still arch timer)
Fixes:
* Bunch of fixes in crypto usage and GPIO intr
* Minor schema related fixes for audio, addressing etc.
Cleanups:
* Refactor of device tree to "disable" peripherals at SoC level
for nodes that are un-usable without board level properties.
TI K3 devices have large number of peripherals of which only a
smaller subset is actually enabled on platforms. Switching
to this approach enables two benefits: lesser confusion in
creating board level devicetrees as only relevant pinned out
device nodes need enabled, as well as smaller board device
trees as most un-used peripherals don't need to explicitly
disabled.
* tag 'ti-k3-dt-for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux: (61 commits)
arm64: dts: ti: Add k3-j721e-beagleboneai64
dt-bindings: arm: ti: Add bindings for BeagleBone AI-64
arm64: dts: ti: k3-j721s2-main: Enable crypto accelerator
arm64: dts: ti: k3-am64-main: Drop RNG clock
arm64: dts: ti: k3-j721e-main: Drop RNG clock
arm64: dts: ti: k3-am65-main: Drop RNG clock
arm64: dts: ti: j721e-common-proc-board: Fix sound node-name
arm64: dts: ti: k3-j721s2: Fix the interrupt ranges property for main & wkup gpio intr
arm64: dts: ti: k3-j7200-mcu-wakeup: Drop dma-coherent in crypto node
arm64: dts: ti: k3-j721e-main: Drop dma-coherent in crypto node
arm64: dts: ti: k3-am65-main: Drop dma-coherent in crypto node
arm64: dts: ti: k3-am62: Add general purpose timers for am62
arm64: dts: ti: k3-am65: Add general purpose timers for am65
arm64: dts: ti: k3-am65: Configure pinctrl for timer IO pads
arm64: dts: ti: Trim addresses to 8 digits
arm64: dts: ti: k3-j721e-sk: Add pinmux for RPi Header
arm64: dts: ti: k3-j721e-main: Add dts nodes for EHRPWMs
arm64: dts: ti: k3-am65: Enable McASP nodes at the board level
arm64: dts: ti: k3-am65: Enable Mailbox nodes at the board level
arm64: dts: ti: k3-am65: Enable PCIe nodes at the board level
...
Link: https://lore.kernel.org/r/20221122190209.jwfj56d6kxpxdkua@untreated
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
ARM: tegra: Device tree changes for v6.2-rc1
This fixes various minor issues in device trees that are flagged by the
DT validation tools.
* tag 'tegra-for-6.2-arm-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: Remove duplicate pin entry in pinmux
ARM: tegra: Remove unused interrupt-parent properties
ARM: tegra: Fix nvidia,io-reset properties
ARM: tegra: Add missing power-supply for panels
ARM: tegra: Fixup pinmux node names
ARM: tegra: Use correct compatible string for ASUS TF101 panel
Link: https://lore.kernel.org/r/20221119012025.3968358-6-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Document support for the 16-Bit Timer Pulse Unit (TPU) in the Renesas
R-Car V4H (R8A779G0) SoC.
Based on a patch in the BSP by CongDang.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Document support for the PWM timers in the Renesas R-Car V4H (R8A779G0)
SoC.
Based on a patch in the BSP by CongDang.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
For a BE link snd_soc_link_be_hw_params_fixup() is called by
dpcm_be_dai_hw_params() to initialize the params before it passes them
to __soc_pcm_hw_params(). Then __soc_pcm_hw_params() refines params to
match the BE codec and passes that to snd_soc_dai_hw_params().
The second call of snd_soc_link_be_hw_params_fixup() within
snd_soc_dai_hw_params() was overwriting the refined params with the
original BE CPU DAI params. This would then lead to various problems,
for example passing an invalid number of channels to the codec driver
hw_params(), or enabling more AIF widgets on the codec than are actually
mapped by TDM slots.
These errors may not be noticed on a simple 1:1 link between one CPU DAI
and one codec DAI, because most likely they have the same DAI config
(though this is not necessarily true, for example if the CPU end has dummy
TDM slots to achieve a desirable BCLK).
For 1:N mappings there are likely to be multiple codecs using different
subsets of the TDM slots and this overwriting of the refined params
can cause incorrect configuration of each codec on the link.
The erroneous extra call to the BE fixup function() was introduced
by:
commit a655de808c ("ASoC: core: Allow topology to override machine
driver FE DAI link config.")
at that time, the call to the BE fixup was already done by
dpcm_be_dai_hw_params(), which was introduced several years earlier
by:
commit 01d7584cd2 ("ASoC: dpcm: Add Dynamic PCM core operations.")
The erroneous code has changed and moved to a different source file
since the patch that introduced it, so this fix patch won't directly
apply as a fix on top of code older than:
commit 8b4ba1d317 ("ASoC: soc-dai: fix up hw params only if it is
needed")
though it can be applied with some minor adjustment to code before
that patch but after:
commit aa6166c2ac ("ASoC: soc-dai: mv soc_dai_hw_params() to soc-dai")
On any tree older than that the code is in soc-pcm.c.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20221104160252.166114-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Some HALO-based codecs need some additional custom setup in the
pre_run stage of cs_dsp. Implement the callback in wm_adsp to call
an optional codec driver callback.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20221109165331.29332-11-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Qualcomm driver updates for 6.2
The qcom,msm-id and qcom,board-id DeviceTree properties are documented,
to allow them to be used in configurations or devices requiring these
and the socinfo driver is updated to reuse the introduced identifiers.
The rpmh-rsc driver is extended to register for PM runtime notifications
from the CPU clusters, in order to submit sleep and wake votes the last
core in a cluster is being powered down.
A mechanism for keeping rpmhpd resources voted until sync_state is
introduced, this ensures that power-domains required during boot are
kept enabled. The rpmhpd power-domains for SDM670 are also added.
Support for the new QDU1000/QRU1000 platform is introduced in the rpmhpd
and socinfo drivers.
The APR driver gains missing error handling. QMI message descriptors in
the PDR driver are made const.
Support for the RPM found in SM6375 is added. The SPM driver gains
support for MSM8939 and MSM8976 platforms.
The stats and command-db drvers are marked as not having PM support.
* tag 'qcom-drivers-for-6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (36 commits)
dt-bindings: firmware: scm: add sdm670 compatible
soc: qcom: rpmh-rsc: Write CONTROL_TCS with next timer wakeup
soc: qcom: rpmh-rsc: Save base address of drv
PM: domains: Store the next hrtimer wakeup in genpd
soc: qcom: rpmh-rsc: Attach RSC to cluster PM domain
dt-bindings: soc: qcom: Update devicetree binding document for rpmh-rsc
dt-bindings: soc: qcom: qcom,smd-rpm: Use qcom,smd-channels on MSM8976
soc: qcom: apr: Add check for idr_alloc and of_property_read_string_index
soc: qcom: socinfo: Add QDU1000/QRU1000 SoC IDs to the soc_id table
dt-bindings: arm: qcom,ids: Add SoC IDs for QDU1000/QRU1000
soc: qcom: rpmhpd: Add QDU1000/QRU1000 power domains
dt-bindings: power: rpmpd: Add QDU1000/QRU1000 to rpmpd binding
dt-bindings: qcom: smp2p: Add WPSS node names to pattern property
soc: qcom: spm: Implement support for SAWv2.3, MSM8976 L2 PM
dt-bindings: soc: qcom: spm: Add compatibles for MSM8976 L2
soc: qcom: llcc: make irq truly optional
soc: qcom: spm: Add MSM8939 SPM register data
dt-bindings: soc: qcom: spm: Add MSM8939 CPU compatible
dt-bindings: soc: qcom: aoss: Add sc8280xp compatible
dt-bindings: firmware: document Qualcomm SM6375 SCM
...
Link: https://lore.kernel.org/r/20221122202748.1854487-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This enables more Qualcomm TLMM pinctrl drivers, and the Qualcomm crypto
drivers.
It makes the SC7180 and SM8450 interconnect drivers builtin, in order to
ensure that a console will be registered before init needs it.
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Merge tag 'qcom-arm64-defconfig-for-6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/defconfig
Qualcomm ARM64 defconfig updates for 6.2
This enables more Qualcomm TLMM pinctrl drivers, and the Qualcomm crypto
drivers.
It makes the SC7180 and SM8450 interconnect drivers builtin, in order to
ensure that a console will be registered before init needs it.
* tag 'qcom-arm64-defconfig-for-6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: defconfig: build-in Qualcomm SC7180 and SM8450 interconnects
arm64: defconfig: Enable Qualcomm QCE crypto
arm64: defconfig: enable rest of Qualcomm ARMv8 SoCs pinctrl drivers
Provide an implementation for arch_pc_relative_reloc(). It is needed to
pass the build once 61c6065ef7 ("objtool: Allow !PC relative
relocations") is merged.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
