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From: Andy Lutomirski <luto@amacapital.net>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: "security@kernel.org" <security@kernel.org>,
	Jan Beulich <jbeulich@suse.com>,
	Peter Zijlstra <peterz@infradead.org>, X86 ML <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	xen-devel <xen-devel@lists.xen.org>,
	Borislav Petkov <bp@alien8.de>, stable <stable@vger.kernel.org>,
	Andy Lutomirski <luto@kernel.org>,
	Sasha Levin <sasha.levin@oracle.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>
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__19796.4449682788$1438312675$gmane$org@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

  reply	other threads:[~2015-07-31  3:15 UTC|newest]

Thread overview: 31+ 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
2015-07-30 21:31 ` Andy Lutomirski
2015-07-31  9:41   ` [Xen-devel] " David Vrabel
2015-07-31  9:41   ` David Vrabel
2015-07-31 13:56   ` [tip:x86/asm] x86/xen: Probe target addresses in set_aliased_prot () " tip-bot for Andy Lutomirski
2015-07-31 13:56   ` 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  3:15     ` Andy Lutomirski
2015-07-30 22:50   ` Andrew Cooper
2015-07-31 13:56   ` [tip:x86/asm] " tip-bot for Andy Lutomirski
2015-07-31 13:56   ` tip-bot for Andy Lutomirski
2015-07-30 21:31 ` [PATCH v6 2/4] " 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
2015-07-31 13:57   ` 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
2015-07-30 21:31 ` [PATCH v6 4/4] x86/ldt: Make modify_ldt optional Andy Lutomirski
2015-07-30 21:31 ` Andy Lutomirski
2015-07-31 13:49   ` Ingo Molnar
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 14:02   ` 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 13:44   ` Boris Ostrovsky
2015-07-31 14:02     ` Andrew Cooper
2015-07-31 14:02       ` Andrew Cooper
2015-07-31  9:10 ` Andrew Cooper

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