From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Alistair Popple <alistair@popple.id.au>
Cc: Alistair Popple <alistair@popple.id.au>,
stable@vger.kernel.org, arbab@linux.vnet.ibm.com,
linuxppc-dev@ozlabs.org, sbaskaran@nvidia.com,
fbarrat@linux.vnet.ibm.com
Subject: Re: [1/2] powerpc/powernv/npu: Move tlb flush before launching ATSD
Date: Fri, 1 Sep 2017 23:29:53 +1000 (AEST) [thread overview]
Message-ID: <3xkKq607C8z9t2d@ozlabs.org> (raw)
In-Reply-To: <1502432577-5911-1-git-send-email-alistair@popple.id.au>
On Fri, 2017-08-11 at 06:22:56 UTC, Alistair Popple wrote:
> The nest mmu tlb flush needs to happen before the GPU translation shootdown
> is launched to avoid the GPU refilling its tlb with stale nmmu translations
> prior to the nmmu flush completing.
>
> Signed-off-by: Alistair Popple <alistair@popple.id.au>
> Cc: stable@vger.kernel.org
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/bab9f954aaf352127725a9b7920226
cheers
prev parent reply other threads:[~2017-09-01 13:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-11 6:22 [PATCH 1/2] powerpc/powernv/npu: Move tlb flush before launching ATSD Alistair Popple
2017-08-11 6:22 ` [PATCH 2/2] powerpc/powernv/npu: Don't explicitly flush nmmu tlb Alistair Popple
2017-08-13 17:04 ` kbuild test robot
2017-09-01 13:29 ` Michael Ellerman [this message]
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