Re: [PATCH 5/7] sched: Add wrapper for get_wchan() to keep task blocked

[Russell King (Oracle)]

On Fri, Oct 08, 2021 at 01:15:32PM +0200, Peter Zijlstra wrote:
> From: Kees Cook <keescook@xxxxxxxxxxxx>
> 
> Having a stable wchan means the process must be blocked and for it to
> stay that way while performing stack unwinding.
> 
> Suggested-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>

Acked-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx> [arm]

I will eventually get around to test this once I've caught up.

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