linux-kernel - Re: powerpc/powernv: Fix TCE kill on NVLink2

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Date:   Thu,  4 May 2017 08:19:02 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Alistair Popple <alistair@...ple.id.au>,
        linuxppc-dev@...ts.ozlabs.org
Cc:     Alistair Popple <alistair@...ple.id.au>, sbaskaran@...dia.com,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: powerpc/powernv: Fix TCE kill on NVLink2

On Wed, 2017-05-03 at 03:24:08 UTC, Alistair Popple wrote:
> Commit 616badd2fb49 ("powerpc/powernv: Use OPAL call for TCE kill on
> NVLink2") forced all TCE kills to go via the OPAL call for
> NVLink2. However the PHB3 implementation of TCE kill was still being
> called directly from some functions which in some circumstances caused
> a machine check.
> 
> This patch adds an equivalent IODA2 version of the function which uses
> the correct invalidation method depending on PHB model and changes all
> external callers to use it instead.
> 
> Fixes: 616badd2fb49 ("powerpc/powernv: Use OPAL call for TCE kill on NVLink2")
> Signed-off-by: Alistair Popple <alistair@...ple.id.au>
> Cc: stable@...r.kernel.org

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/6b3d12a948d27977816a15eb48409a

cheers