From: Pavel Emelyanov <xemul@parallels.com>
To: Jan Beulich <JBeulich@suse.com>, Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>,
David Vrabel <david.vrabel@citrix.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
<Xen-devel@lists.xen.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Ingo Molnar <mingo@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: Regression: x86/mm: new _PTE_SWP_SOFT_DIRTY bit conflicts with existing use
Date: Thu, 22 Aug 2013 16:18:21 +0400 [thread overview]
Message-ID: <5216018D.7000509@parallels.com> (raw)
In-Reply-To: <5216134502000078000EDA3D@nat28.tlf.novell.com>
On 08/22/2013 03:33 PM, Jan Beulich wrote:
>> From: Cyrill Gorcunov <gorcunov@gmail.com>
>> Subject: [PATCH] mm: Make sure _PAGE_SWP_SOFT_DIRTY bit is not set on
>> present pte
>>
>> _PAGE_SOFT_DIRTY bit should never be set on present pte so add
>> VM_BUG_ON to catch any potential future abuse.
>>
>> Also add a comment on _PAGE_SWP_SOFT_DIRTY definition explaining
>> scope of its usage.
>>
>> Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
>
> Acked-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
next prev parent reply other threads:[~2013-08-22 12:18 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-21 13:48 Regression: x86/mm: new _PTE_SWP_SOFT_DIRTY bit conflicts with existing use David Vrabel
2013-08-21 13:53 ` konrad wilk
2013-08-21 13:53 ` konrad wilk
2013-08-21 14:11 ` H. Peter Anvin
2013-08-21 14:11 ` H. Peter Anvin
2013-08-21 14:19 ` Cyrill Gorcunov
2013-08-21 14:22 ` H. Peter Anvin
2013-08-21 14:22 ` H. Peter Anvin
2013-08-21 14:29 ` Cyrill Gorcunov
2013-08-21 14:29 ` Cyrill Gorcunov
2013-08-21 16:30 ` Linus Torvalds
2013-08-21 16:42 ` Cyrill Gorcunov
2013-08-21 16:42 ` Cyrill Gorcunov
2013-08-21 23:05 ` Cyrill Gorcunov
2013-08-21 23:05 ` Cyrill Gorcunov
2013-08-21 23:42 ` Andi Kleen
2013-08-21 23:42 ` Andi Kleen
2013-08-22 5:49 ` Cyrill Gorcunov
2013-08-22 5:49 ` Cyrill Gorcunov
2013-08-22 6:37 ` Minchan Kim
2013-08-22 13:12 ` Cyrill Gorcunov
2013-08-22 13:12 ` Cyrill Gorcunov
2013-08-22 6:37 ` Minchan Kim
2013-08-27 22:04 ` Benjamin Herrenschmidt
2013-08-27 22:04 ` Benjamin Herrenschmidt
2013-08-21 16:30 ` Linus Torvalds
2013-08-21 14:19 ` Cyrill Gorcunov
2013-08-21 14:12 ` Cyrill Gorcunov
2013-08-21 14:12 ` Cyrill Gorcunov
2013-08-21 14:22 ` H. Peter Anvin
2013-08-21 14:22 ` H. Peter Anvin
2013-08-21 14:53 ` Jan Beulich
2013-08-21 14:58 ` H. Peter Anvin
2013-08-21 14:58 ` H. Peter Anvin
2013-08-21 15:42 ` Cyrill Gorcunov
2013-08-21 15:42 ` Cyrill Gorcunov
2013-08-21 16:03 ` Jan Beulich
2013-08-21 16:03 ` Jan Beulich
2013-08-21 16:19 ` Cyrill Gorcunov
2013-08-21 16:56 ` David Vrabel
2013-08-21 17:25 ` Cyrill Gorcunov
2013-08-21 18:17 ` Cyrill Gorcunov
2013-08-21 18:17 ` Cyrill Gorcunov
2013-08-21 18:50 ` H. Peter Anvin
2013-08-21 18:50 ` H. Peter Anvin
2013-08-21 19:03 ` Cyrill Gorcunov
2013-08-21 19:07 ` Andy Lutomirski
2013-08-21 19:20 ` Cyrill Gorcunov
2013-08-21 19:20 ` Cyrill Gorcunov
2013-08-21 19:21 ` Pavel Emelyanov
2013-08-21 19:21 ` Pavel Emelyanov
2013-08-21 19:07 ` Andy Lutomirski
2013-08-21 23:04 ` Linus Torvalds
2013-08-21 23:04 ` Linus Torvalds
2013-08-22 0:51 ` Dave Jones
2013-08-22 0:51 ` Dave Jones
2013-08-22 5:44 ` Cyrill Gorcunov
2013-08-22 5:44 ` Cyrill Gorcunov
2013-08-22 6:41 ` Pavel Emelyanov
2013-08-22 6:41 ` Pavel Emelyanov
2013-08-22 7:47 ` Jan Beulich
2013-08-22 7:47 ` Jan Beulich
2013-08-22 9:32 ` David Vrabel
2013-08-22 9:32 ` David Vrabel
2013-08-22 10:16 ` Pavel Emelyanov
2013-08-22 10:16 ` Pavel Emelyanov
2013-08-21 19:03 ` Cyrill Gorcunov
2013-08-21 17:25 ` Cyrill Gorcunov
2013-08-21 16:56 ` David Vrabel
2013-08-22 6:56 ` Jan Beulich
2013-08-22 6:56 ` Jan Beulich
2013-08-22 7:03 ` Cyrill Gorcunov
2013-08-22 7:27 ` Jan Beulich
2013-08-22 11:27 ` Cyrill Gorcunov
2013-08-22 11:33 ` Jan Beulich
2013-08-22 12:18 ` Pavel Emelyanov [this message]
2013-08-22 12:18 ` Pavel Emelyanov
2013-08-22 11:33 ` Jan Beulich
2013-08-22 11:27 ` Cyrill Gorcunov
2013-08-22 7:27 ` Jan Beulich
2013-08-22 7:03 ` Cyrill Gorcunov
2013-08-21 16:19 ` Cyrill Gorcunov
2013-08-21 14:53 ` Jan Beulich
2013-08-21 17:28 ` Andy Lutomirski
2013-08-22 7:54 ` Jan Beulich
2013-08-22 7:54 ` Jan Beulich
2013-08-22 9:06 ` Stefan Bader
2013-08-21 17:28 ` Andy Lutomirski
-- strict thread matches above, loose matches on Subject: below --
2013-08-21 13:48 David Vrabel
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