linux-kernel - Re: (subset) [PATCH] drm/imagination: vm: Fix heap lookup condition

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Message-Id: <170248095546.191897.14747854434891174089.b4-ty@kernel.org>
Date:   Wed, 13 Dec 2023 16:22:35 +0100
From:   Maxime Ripard <mripard@...nel.org>
To:     Frank Binns <frank.binns@...tec.com>,
        Donald Robson <donald.robson@...tec.com>,
        Matt Coster <matt.coster@...tec.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Alex Bee <knaerzche@...il.com>
Cc:     David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Sarah Walker <sarah.walker@...tec.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: (subset) [PATCH] drm/imagination: vm: Fix heap lookup
 condition

On Fri, 08 Dec 2023 18:08:56 +0100, Alex Bee wrote:
> When conditionally checking for heap existence of a certian address in
> pvr_vm_bind_op_map_init the condition whether the map request comes from a
> user is incorrect: The context must not be the kernel-context to be a
> user(space) context and should be looked up in pvr_heaps.
> 
> That makes addresses coming from userspace not being verfied against the
> defined ranges and prevents firmware loading for meta cores.
> 
> [...]

Applied to drm/drm-misc (drm-misc-next).

Thanks!
Maxime