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Subject: Re: [PATCH 1/7] x86/xen: Simplify set_aliased_prot
To: Andy Lutomirski <luto@kernel.org>, <x86@kernel.org>
References: <cover.1464129798.git.luto@kernel.org>
 <0706f1a2538e481194514197298cca6b5e3f2638.1464129798.git.luto@kernel.org>
CC: <linux-kernel@vger.kernel.org>, Borislav Petkov <bp@alien8.de>,
        Kees Cook <keescook@chromium.org>, Brian Gerst <brgerst@gmail.com>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        David Vrabel <dvrabel@cantab.net>, Jan Beulich <jbeulich@suse.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        xen-devel <xen-devel@lists.xen.org>
From: Andrew Cooper <andrew.cooper3@citrix.com>
Message-ID: <57457295.6070709@citrix.com>
Date: Wed, 25 May 2016 10:38:29 +0100
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On 24/05/16 23:48, Andy Lutomirski wrote:
> In aa1acff356bb ("x86/xen: Probe target addresses in
> set_aliased_prot() before the hypercall"), I added an explicit probe
> to work around a hypercall issue.  The code can be simplified by
> using probe_kernel_read.
>
> Cc: Andrew Cooper <andrew.cooper3@citrix.com>
> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Cc: David Vrabel <dvrabel@cantab.net>
> Cc: Jan Beulich <jbeulich@suse.com>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> Cc: xen-devel <xen-devel@lists.xen.org>
> Signed-off-by: Andy Lutomirski <luto@kernel.org>

Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>