linux-kernel - Re: [PATCH v6 1/2] drm/i915/gt: introduce vm->scratch

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Message-ID: <ZBCrc/rJ/075n6Jf@ashyti-mobl2.lan>
Date:   Tue, 14 Mar 2023 18:14:27 +0100
From:   Andi Shyti <andi.shyti@...ux.intel.com>
To:     Andrzej Hajda <andrzej.hajda@...el.com>
Cc:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Andi Shyti <andi.shyti@...ux.intel.com>,
        Chris Wilson <chris.p.wilson@...ux.intel.com>,
        Nirmoy Das <nirmoy.das@...el.com>
Subject: Re: [PATCH v6 1/2] drm/i915/gt: introduce vm->scratch_range callback

Hi Andrzej,

On Fri, Mar 10, 2023 at 10:23:49AM +0100, Andrzej Hajda wrote:
> The callback will be responsible for setting scratch page PTEs for
> specified range. In contrast to clear_range it cannot be optimized to nop.
> It will be used by code adding guard pages.
> 
> Signed-off-by: Andrzej Hajda <andrzej.hajda@...el.com>

Reviewed-by: Andi Shyti <andi.shyti@...ux.intel.com>

Thanks,
Andi