linux-kernel - Re: [PATCH] drm/sun4i: Remove VLA usage

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Message-ID: <20180704154437.dcjsghcsxikry2xn@flea>
Date:   Wed, 4 Jul 2018 17:44:37 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/sun4i: Remove VLA usage

On Fri, Jun 29, 2018 at 11:47:40AM -0700, Kees Cook wrote:
> In the quest to remove all stack VLA usage from the kernel[1], this
> switches to using a kmalloc allocation and moves all the size calculations
> to the start to do an allocation. If an upper bounds on the mode timing
> calculations could be determined, a fixed stack size could be used instead.
> 
> [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com
> 
> Signed-off-by: Kees Cook <keescook@...omium.org>

Applied, thanks!
Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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