s390/stacktrace: Merge perf_callchain_user() and arch_stack_walk_user()

Browse source

The two functions perf_callchain_user() and arch_stack_walk_user() are
nearly identical. Reduce code duplication and add a common helper which can
be called by both functions.

Fixes: aa44433ac4 ("s390: add USER_STACKTRACE support")
Reviewed-by: Jens Remus <jremus@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

...

This commit is contained in:

Heiko Carstens 2024-04-29 14:28:44 +02:00 • committed by Alexander Gordeev

parent 185445c7c1

commit ebd912ff99

3 changed files with 36 additions and 38 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

7

arch/s390/include/asm/stacktrace.h

View file

34

arch/s390/kernel/perf_event.c

View file

33

arch/s390/kernel/stacktrace.c

View file