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To: Kees Cook <keescook@chromium.org>,
 Benjamin Herrenschmidt <benh@kernel.crashing.org>
From: Michael Ellerman <patch-notifications@ellerman.id.au>
Cc: Rob Herring <robh@kernel.org>, Randy Dunlap <rdunlap@infradead.org>,
 linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
 Tyrel Datwyler <tyreld@linux.vnet.ibm.com>,
 Andrew Morton <akpm@linux-foundation.org>, linuxppc-dev@lists.ozlabs.org,
 Ingo Molnar <mingo@kernel.org>
Subject: Re: powerpc/msi: Remove VLA usage
Message-Id: <41WNpf12CZz9s4r@ozlabs.org>
Date: Thu, 19 Jul 2018 16:07:37 +1000 (AEST)
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On Fri, 2018-06-29 at 18:52:54 UTC, Kees Cook wrote:
> In the quest to remove all stack VLA usage from the kernel[1], this
> switches from an unchanging variable to a constant expression to eliminate
> the VLA generation.
> 
> [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com
> 
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Randy Dunlap <rdunlap@infradead.org>
> Cc: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
> Cc: Rob Herring <robh@kernel.org>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: linuxppc-dev@lists.ozlabs.org
> Signed-off-by: Kees Cook <keescook@chromium.org>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/1b80ac648483189e45f60d4ddbb54b

cheers