linux-kernel - Re: [PATCH v2] drm/i915: Fix potential spectre vulnerability

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Message-ID: <7ce9eaf8-bb3e-489e-bb62-e99504ebd3df@linux.intel.com>
Date:   Fri, 3 Nov 2023 08:23:33 +0000
From:   Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        Kunwu Chan <chentao@...inos.cn>
Cc:     airlied@...il.com, alan.previn.teres.alexis@...el.com,
        andi.shyti@...ux.intel.com, andrzej.hajda@...el.com,
        chris.p.wilson@...el.com, daniel@...ll.ch,
        dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        jani.nikula@...ux.intel.com, jonathan.cavitt@...el.com,
        joonas.lahtinen@...ux.intel.com, kunwu.chan@...mail.com,
        linux-kernel@...r.kernel.org, robdclark@...omium.org,
        rodrigo.vivi@...el.com, stable@...r.kernel.org
Subject: Re: [PATCH v2] drm/i915: Fix potential spectre vulnerability


On 03/11/2023 06:56, Krzysztof Kozlowski wrote:
> On 03/11/2023 03:32, Kunwu Chan wrote:
>> Fix smatch warning:
>> drivers/gpu/drm/i915/gem/i915_gem_context.c:847 set_proto_ctx_sseu()
>> warn: potential spectre issue 'pc->user_engines' [r] (local cap)
>>
>> Fixes: d4433c7600f7 ("drm/i915/gem: Use the proto-context to handle create parameters (v5)")
>> Cc: <stable@...r.kernel.org> # v5.15+
>> Signed-off-by: Kunwu Chan <chentao@...inos.cn>
>> Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>
>> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>
> 
> Where did you receive this tag? There is nothing under link below.
>> Link: https://lore.kernel.org/all/20231102101642.52988-1-chentao@kylinos.cn

It is fine, I gave the conditional r-b in 
https://lore.kernel.org/all/d300506c-ab82-4cc1-b750-61e54ec2ad9e@linux.intel.com/.

Suggested-by I did not and it is not true so I can drop it while applying.

Regards,

Tvrtko