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SubjectRe: [PATCH v3 1/1] ppc/crash: Reset spinlocks during crash
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Hello Peter, 

On Wed, 2020-04-01 at 11:26 +0200, Peter Zijlstra wrote:
> You might want to add a note to your asm/spinlock.h that you rely on
> spin_unlock() unconditionally clearing a lock.
>
> This isn't naturally true for all lock implementations. Consider ticket
> locks, doing a surplus unlock will wreck your lock state in that case.
> So anybody poking at the powerpc spinlock implementation had better know
> you rely on this.

Good idea. I will add this to my changes and generate a v4.

Thank you,
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