linux-kernel - Re: [Xen-devel] [PATCH 1/7] x86/xen: Simplify set_aliased

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Message-ID: <57457582.9070608@citrix.com>
Date:	Wed, 25 May 2016 10:50:58 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Andy Lutomirski <luto@...nel.org>, <x86@...nel.org>
CC:	Kees Cook <keescook@...omium.org>, Brian Gerst <brgerst@...il.com>,
	<linux-kernel@...r.kernel.org>,
	xen-devel <xen-devel@...ts.xen.org>,
	"Jan Beulich" <jbeulich@...e.com>, Borislav Petkov <bp@...en8.de>,
	Andrew Cooper <andrew.cooper3@...rix.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>
Subject: Re: [Xen-devel] [PATCH 1/7] x86/xen: Simplify set_aliased_prot

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.

Acked-by: David Vrabel <david.vrabel@...rix.com>

David