linux-kernel - Re: [PATCH 0/3] powerpc/qspinlock: Some tuning updates

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Date:   Wed, 31 Mar 2021 12:09:28 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     npiggin@...il.com, Davidlohr Bueso <dave@...olabs.net>
Cc:     will@...nel.org, linuxppc-dev@...ts.ozlabs.org, longman@...hat.com,
        linux-kernel@...r.kernel.org, paulus@...ba.org, mingo@...hat.com,
        peterz@...radead.org
Subject: Re: [PATCH 0/3] powerpc/qspinlock: Some tuning updates

On Mon, 8 Mar 2021 17:59:47 -0800, Davidlohr Bueso wrote:
> A few updates while going through the powerpc port of the qspinlock.
> 
> Patches 1 and 2 are straightforward, while patch 3 can be considered
> more of an rfc as I've only tested on a single machine, and there
> could be an alternative way if it doesn't end up being nearly a
> universal performance win.
> 
> [...]

Applied to powerpc/next.

[1/3] powerpc/spinlock: Define smp_mb__after_spinlock only once
      https://git.kernel.org/powerpc/c/2bf3604c415c9d75311141b8eb6ac8780ef74420
[2/3] powerpc/spinlock: Unserialize spin_is_locked
      https://git.kernel.org/powerpc/c/66f60522138c2e0d8a3518edd4979df11a2d7525
[3/3] powerpc/qspinlock: Use generic smp_cond_load_relaxed
      https://git.kernel.org/powerpc/c/deb9b13eb2571fbde164ae012c77985fd14f2f02

cheers