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arch/Kconfig: update HAVE_RELIABLE_STACKTRACE description

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save_stack_trace_tsk_reliable() is not the only function providing the
reliable stack traces anymore.  Architecture might define ARCH_STACKWALK
which provides a newer stack walking interface and has
arch_stack_walk_reliable() function.  Update the description accordingly.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: http://lkml.kernel.org/r/20200120154042.9934-1-mbenes@suse.cz
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Miroslav Benes 2020-03-05 22:28:45 -08:00 committed by Linus Torvalds
parent c87cbc1f00
commit 140d7e88bb
1 changed files with 3 additions and 2 deletions
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arch/Kconfig
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@ -738,8 +738,9 @@ config HAVE_STACK_VALIDATION
config HAVE_RELIABLE_STACKTRACE
bool
help
Architecture has a save_stack_trace_tsk_reliable() function which
only returns a stack trace if it can guarantee the trace is reliable.
Architecture has either save_stack_trace_tsk_reliable() or
arch_stack_walk_reliable() function which only returns a stack trace
if it can guarantee the trace is reliable.
config HAVE_ARCH_HASH
bool