From: Andy Lutomirski <luto@amacapital.net>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: 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>,
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 <stable@vger.kernel.org>
Subject: Re: [PATCH v6 2/4] x86/ldt: Make modify_ldt synchronous
Date: Thu, 30 Jul 2015 20:15:44 -0700 [thread overview]
Message-ID: <CALCETrWPn3WJxQHmGVHAHK95G_N5c=2tmD6JzD9maPYycTwZdQ@mail.gmail.com> (raw)
In-Reply-To: <55BAAA46.20802@citrix.com>
On Thu, Jul 30, 2015 at 3:50 PM, Andrew Cooper
<andrew.cooper3@citrix.com> wrote:
> 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.
>
Whoops, right. That paragraph in the changelog can be deleted.
> ~Andrew
--
Andy Lutomirski
AMA Capital Management, LLC
next prev parent reply other threads:[~2015-07-31 3:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-30 21:31 [PATCH v6 0/4] x86: modify_ldt improvement, test, and config option Andy Lutomirski
2015-07-30 21:31 ` [PATCH v6 1/4] x86/xen: Probe target addresses in set_aliased_prot before the hypercall Andy Lutomirski
2015-07-31 9:41 ` [Xen-devel] " David Vrabel
2015-07-31 13:56 ` [tip:x86/asm] x86/xen: Probe target addresses in set_aliased_prot () " tip-bot for Andy Lutomirski
2015-07-30 21:31 ` [PATCH v6 2/4] x86/ldt: Make modify_ldt synchronous Andy Lutomirski
2015-07-30 22:50 ` Andrew Cooper
2015-07-31 3:15 ` Andy Lutomirski [this message]
2015-07-31 13:56 ` [tip:x86/asm] " tip-bot for Andy Lutomirski
2015-07-30 21:31 ` [PATCH v6 3/4] selftests/x86, x86/ldt: Add a selftest for modify_ldt Andy Lutomirski
2015-07-31 13:57 ` [tip:x86/asm] selftests/x86, x86/ldt: Add a selftest for modify_ldt() tip-bot for Andy Lutomirski
2015-07-30 21:31 ` [PATCH v6 4/4] x86/ldt: Make modify_ldt optional Andy Lutomirski
2015-07-31 13:49 ` Ingo Molnar
2015-07-31 14:02 ` [tip:x86/asm] x86/ldt: Make modify_ldt() optional tip-bot for Andy Lutomirski
2015-07-31 9:10 ` [PATCH v6 0/4] x86: modify_ldt improvement, test, and config option Andrew Cooper
2015-07-31 13:44 ` Boris Ostrovsky
2015-07-31 14:02 ` Andrew Cooper
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