linux-kernel - Re: [PATCH v4 1/2] xen/PVH: Set up GS segment for stack canary

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Message-ID: <20be47a1-e9ab-9789-d702-6d8f8fb02dcf@suse.com>
Date:   Wed, 23 May 2018 14:54:43 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Cc:     JBeulich@...e.com
Subject: Re: [PATCH v4 1/2] xen/PVH: Set up GS segment for stack canary

On 22/05/18 05:54, Boris Ostrovsky wrote:
> We are making calls to C code (e.g. xen_prepare_pvh()) which may use
> stack canary (stored in GS segment).
> 
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>

With the clearing of EDX (instead using CDQ) you can add my

Reviewed-by: Juergen Gross <jgross@...e.com>


Juergen