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Subject: Re: [PATCH v6 2/4] x86/ldt: Make modify_ldt synchronous
To: Andy Lutomirski <luto@kernel.org>, X86 ML <x86@kernel.org>,
        Borislav Petkov <bp@alien8.de>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
References: <cover.1438291540.git.luto@kernel.org>
 <4c6978476782160600471bd865b318db34c7b628.1438291540.git.luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        "security@kernel.org" <security@kernel.org>,
        Sasha Levin <sasha.levin@oracle.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        Jan Beulich <jbeulich@suse.com>, xen-devel <xen-devel@lists.xen.org>,
        stable@vger.kernel.org
From: Andrew Cooper <andrew.cooper3@citrix.com>
Message-ID: <55BAAA46.20802@citrix.com>
Date: Thu, 30 Jul 2015 23:50:46 +0100
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On 30/07/2015 22:31, Andy Lutomirski wrote:
> Note to -stable maintainers: by itself, this patch makes a
> pre-existing Xen bug much easier to trigger; on a 32-bit Xen guest,
> the new ldt_gdt selftest is likely to OOPS.  Even without this
> patch, the test can OOPS, but it's much less likely to happen.  The
> Xen maintainers should have a fix for that issue shortly.

All Xen issues should be fixed by patch 1 now.

~Andrew