summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/stacktrace.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2021-03-09 20:41:25 +0100
committerBorislav Petkov <bp@suse.de>2021-03-10 15:52:31 +0100
commitb18adee4ce4443399963826b5d28d9e63d40740c (patch)
tree28587e17a49adeea7686ecc30fe7af198c9b59c2 /arch/x86/kernel/stacktrace.c
parentx86: Remove duplicate TSC DEADLINE MSR definitions (diff)
downloadlinux-b18adee4ce4443399963826b5d28d9e63d40740c.tar.xz
linux-b18adee4ce4443399963826b5d28d9e63d40740c.zip
stacktrace: Move documentation for arch_stack_walk_reliable() to header
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
Diffstat (limited to 'arch/x86/kernel/stacktrace.c')
-rw-r--r--arch/x86/kernel/stacktrace.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index 8627fda8d993..15b058eefc4e 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -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)
{