Re: [PATCH v3 1/3] drm/i915: pass a pointer for tlb seqno at vma_invalidate_tlb()

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Subject: Re: [PATCH v3 1/3] drm/i915: pass a pointer for tlb seqno at vma_invalidate_tlb()
From: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
Date: Mon, 8 Aug 2022 18:37:58 +0200
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>, Michael Cheng <michael.cheng@xxxxxxxxx>, Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>, Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>, David Airlie <airlied@xxxxxxxx>, dri-devel@xxxxxxxxxxxxxxxxxxxxx, Lucas De Marchi <lucas.demarchi@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Chris Wilson <chris.p.wilson@xxxxxxxxx>, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>, Niranjana Vishwanathapura <niranjana.vishwanathapura@xxxxxxxxx>, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, Matthew Auld <matthew.auld@xxxxxxxxx>
In-reply-to: <f9550e6bacea10131ff40dd8981b69eb9251cdcd.1659598090.git.mchehab@kernel.org>
References: <cover.1659598090.git.mchehab@kernel.org> <f9550e6bacea10131ff40dd8981b69eb9251cdcd.1659598090.git.mchehab@kernel.org>

Hi Mauro,

On Thu, Aug 04, 2022 at 09:37:22AM +0200, Mauro Carvalho Chehab wrote:
> WRITE_ONCE() should happen at the original var, not on a local
> copy of it.
> 
> Fixes: 5d36acb7198b ("drm/i915/gt: Batch TLB invalidations")
> Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>

Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>

Are you going to send it to the stable mailing list?

Andi

Follow-Ups:
- Re: [Intel-gfx] [PATCH v3 1/3] drm/i915: pass a pointer for tlb seqno at vma_invalidate_tlb()
  - From: Rodrigo Vivi

References:
- [PATCH v3 0/3] Move TLB invalidation code for its own file and document it
  - From: Mauro Carvalho Chehab
- [PATCH v3 1/3] drm/i915: pass a pointer for tlb seqno at vma_invalidate_tlb()
  - From: Mauro Carvalho Chehab

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