linux-kernel - Re: [RFC][PATCH 5/5] powerpc: Remove SYNC from

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Message-ID: <20170608134729.4rwykawnrijtr2yh@hirez.programming.kicks-ass.net>
Date:   Thu, 8 Jun 2017 15:47:29 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Nicholas Piggin <npiggin@...il.com>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        torvalds@...ux-foundation.org, will.deacon@....com,
        oleg@...hat.com, paulmck@...ux.vnet.ibm.com,
        benh@...nel.crashing.org, linux-kernel@...r.kernel.org,
        mingo@...nel.org, stern@...land.harvard.edu,
        linuxppc-dev <linuxppc-dev@...abs.org>
Subject: Re: [RFC][PATCH 5/5] powerpc: Remove SYNC from _switch

On Thu, Jun 08, 2017 at 11:18:13PM +1000, Nicholas Piggin wrote:
> I guess I see your point... okay, will constrain the comment to powerpc
> context switch and primitives code. Any fundamental change to such
> scheduler barriers I guess would require at least a glance over arch
> switch code :)

Just so.

> My plan is to send the powerpc sync removal patch for hopefully 4.13
> merge. I'm pretty sure it will be equally happy with your patches.
> Unless you can see any problems with it? More eyes would be welcome.

Feel free to Cc me. I don't see a problem with removing that SYNC now,
I'll rebase my patches on top.