diff options
| author | Vasily Gorbik <gor@linux.ibm.com> | 2020-11-01 17:07:47 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-10 12:35:57 +0100 |
| commit | 1471e96263b6e68929e7afed28f80ab3b6bd1066 (patch) | |
| tree | bbaf40a8d286a634becf4e83331c36154d0626c7 /kernel | |
| parent | d4fea27ffcb01bbf8ca8ae54f60479945394b83e (diff) | |
| download | linux-stable-1471e96263b6e68929e7afed28f80ab3b6bd1066.tar.gz linux-stable-1471e96263b6e68929e7afed28f80ab3b6bd1066.tar.bz2 linux-stable-1471e96263b6e68929e7afed28f80ab3b6bd1066.zip | |
lib/crc32test: remove extra local_irq_disable/enable
commit aa4e460f0976351fddd2f5ac6e08b74320c277a1 upstream.
Commit 4d004099a668 ("lockdep: Fix lockdep recursion") uncovered the
following issue in lib/crc32test reported on s390:
BUG: using __this_cpu_read() in preemptible [00000000] code: swapper/0/1
caller is lockdep_hardirqs_on_prepare+0x48/0x270
CPU: 6 PID: 1 Comm: swapper/0 Not tainted 5.9.0-next-20201015-15164-g03d992bd2de6 #19
Hardware name: IBM 3906 M04 704 (LPAR)
Call Trace:
lockdep_hardirqs_on_prepare+0x48/0x270
trace_hardirqs_on+0x9c/0x1b8
crc32_test.isra.0+0x170/0x1c0
crc32test_init+0x1c/0x40
do_one_initcall+0x40/0x130
do_initcalls+0x126/0x150
kernel_init_freeable+0x1f6/0x230
kernel_init+0x22/0x150
ret_from_fork+0x24/0x2c
no locks held by swapper/0/1.
Remove extra local_irq_disable/local_irq_enable helpers calls.
Fixes: 5fb7f87408f1 ("lib: add module support to crc32 tests")
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lkml.kernel.org/r/patch.git-4369da00c06e.your-ad-here.call-01602859837-ext-1679@work.hours
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions