linux-kernel - Re: powerpc/msi: Remove VLA usage

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Date:   Thu, 19 Jul 2018 16:07:37 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Kees Cook <keescook@...omium.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     Rob Herring <robh@...nel.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
        Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linuxppc-dev@...ts.ozlabs.org, Ingo Molnar <mingo@...nel.org>
Subject: Re: powerpc/msi: Remove VLA usage

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@...nel.crashing.org>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Randy Dunlap <rdunlap@...radead.org>
> Cc: Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>
> Cc: Rob Herring <robh@...nel.org>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: linuxppc-dev@...ts.ozlabs.org
> Signed-off-by: Kees Cook <keescook@...omium.org>

Applied to powerpc next, thanks.

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

cheers