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powerpc/stacktrace: Include linux/delay.h

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[ Upstream commit a6cae77f1bc89368a4e2822afcddc45c3062d499 ]

commit 7c6986ade69e ("powerpc/stacktrace: Fix spurious "stale" traces in raise_backtrace_ipi()")
introduces udelay() call without including the linux/delay.h header.
This may happen to work on master but the header that declares the
functionshould be included nonetheless.

Fixes: 7c6986ade69e ("powerpc/stacktrace: Fix spurious "stale" traces in raise_backtrace_ipi()")
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210729180103.15578-1-msuchanek@suse.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Michal Suchanek 2021-07-29 20:01:03 +02:00 committed by Greg Kroah-Hartman
parent 02889ac588
commit b8bb4b2839
1 changed files with 1 additions and 0 deletions
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arch/powerpc/kernel/stacktrace.c
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@ -8,6 +8,7 @@
* Copyright 2018 Nick Piggin, Michael Ellerman, IBM Corp.
*/
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/kallsyms.h>
#include <linux/module.h>