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Message-ID: <49e13c53-718f-879c-fc0d-b0f5dd7ea23d@suse.com>
Date: Mon, 16 Apr 2018 10:11:54 +0200
From: Juergen Gross <jgross@...e.com>
To: Laura Abbott <labbott@...hat.com>,
Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH] x86/xen: Remove use of VLAs
On 14/04/18 00:11, Laura Abbott wrote:
> There's an ongoing effort to remove VLAs[1] from the kernel to eventually
> turn on -Wvla. The few VLAs in use have an upper bound based on a size
> of 64K. This doesn't produce an excessively large stack so just switch
> the upper bound.
>
> [1] https://lkml.org/lkml/2018/3/7/621
>
> Signed-off-by: Laura Abbott <labbott@...hat.com>
Reviewed-by: Juergen Gross <jgross@...e.com>
Juergen
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