Re: [PATCH] mutex: Fix mutex_can_spin_on_owner

[Rik van Riel]

On 07/19/2013 02:31 PM, Peter Zijlstra wrote:
> mutex_can_spin_on_owner() is broken in that it would allow the compiler
> to load lock->owner twice, seeing a pointer first time and a MULL
> pointer the second time.
>
> Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>

Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

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