[PATCH] powerpc/stacktrace: Include linux/delay.h

[Gabriel Paubert]

On Mon, Jul 26, 2021 at 05:42:43PM +0200, Michal Suchanek wrote:
> 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 at suse.de>
> ---
>  arch/powerpc/kernel/stacktrace.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c
> index 2b0d04a1b7d2..a17ac10f86b1 100644
> --- a/arch/powerpc/kernel/stacktrace.c
> +++ b/arch/powerpc/kernel/stacktrace.c
> @@ -12,6 +12,7 @@
>  #include <linux/kallsyms.h>
>  #include <linux/module.h>
>  #include <linux/nmi.h>
> +#include <linux/delay.h>
>  #include <linux/sched.h>
>  #include <linux/sched/debug.h>
>  #include <linux/sched/task_stack.h>

Hmm, I believe we try to keep the list of includes sorted in
alphabetical order.

	Gabriel