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stacktrace: Move documentation for arch_stack_walk_reliable() to header

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Currently arch_stack_walk_reliable() is documented with an identical
comment in both x86 and S/390 implementations which is a bit redundant.
Move this to the header and convert to kerneldoc while we're at it.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Vasily Gorbik <gor@linux.ibm.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lkml.kernel.org/r/20210309194125.652-1-broonie@kernel.org
This commit is contained in:
Mark Brown
2021-03-09 19:41:25 +00:00
committed by Borislav Petkov
parent 09141ec0e4
commit b18adee4ce
3 changed files with 19 additions and 12 deletions
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6
arch/x86/kernel/stacktrace.c
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@@ -29,12 +29,6 @@ void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
}
}
/*
* This function returns an error if it detects any unreliable features of the
* stack. Otherwise it guarantees that the stack trace is reliable.
*
* If the task is not 'current', the caller *must* ensure the task is inactive.
*/
int arch_stack_walk_reliable(stack_trace_consume_fn consume_entry,
void *cookie, struct task_struct *task)
{