From: "Américo Wang" <xiyou.wangcong@gmail.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "Boaz Harrosh" <bharrosh@panasas.com>,
"Borislav Petkov" <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
"Toralf Förster" <toralf.foerster@gmx.de>,
uml-devel <user-mode-linux-devel@lists.sourceforge.net>,
linux-kernel <linux-kernel@vger.kernel.org>,
"Jeff Dike" <jdike@addtoit.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: [uml-devel] [PATCH resend] um, hweight: Fix UML boot crash
Date: Wed, 9 Jun 2010 17:32:57 +0800 [thread overview]
Message-ID: <20100609093257.GA6292@cr0.nay.redhat.com> (raw)
In-Reply-To: <AANLkTinwQmWP-rFu9e-ns5twsZwZjuSLi5vcll55ZZhx@mail.gmail.com>
On Wed, Jun 09, 2010 at 10:46:01AM +0200, Geert Uytterhoeven wrote:
>On Wed, Jun 9, 2010 at 10:09, Boaz Harrosh <bharrosh@panasas.com> wrote:
>> On 06/09/2010 11:04 AM, Boaz Harrosh wrote:
>>> From: Borislav Petkov <bp@alien8.de>
>>>
>>> Obviously UML cannot stomach callee reg-saving trickery
>>> introduced with d61931d89be506372d01a90d1755f6d0a9fafe2d
>>> (x86: Add optimized popcnt variants) and oopses during boot:
>>> http://marc.info/?l=linux-kernel&m=127522065202435&w=2
>>>
>>> Redirect arch_hweight.h include from the x86 portion to the generic
>>> arch_hweight.h which is a fallback to the software hweight routines.
>>>
>>> LKML-Reference: <201005271944.09541.toralf.foerster@gmx.de>
>>> Signed-off-by: Borislav Petkov <bp@alien8.de>
>
>Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
>
>> who's going to push this ASAP. I was just (again) 3/4 through a bisect
>> on 2.6.35-rc2. When I finally realized "Hey that patch, I forgot".
>> (My concentration is not what it used to be)
>>
>> Please push this, someone
>
>Peter, are you happy with this?
>Although we still don't know why UML cannot grok it, it does fix a
>regression in post-2.6.34.
>
Usually Andrew should take UML patches.
next prev parent reply other threads:[~2010-06-09 9:29 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-27 17:44 current git kernel crashes UML system during boot Toralf Förster
2010-05-30 11:39 ` Geert Uytterhoeven
2010-05-30 11:57 ` Geert Uytterhoeven
2010-05-30 15:02 ` Borislav Petkov
2010-05-30 15:18 ` Geert Uytterhoeven
2010-05-30 15:46 ` Borislav Petkov
2010-05-30 15:28 ` Toralf Förster
2010-05-30 17:03 ` [PATCH] x86, hweight: Fix UML boot crash Borislav Petkov
2010-05-30 18:36 ` H. Peter Anvin
2010-05-30 19:39 ` Borislav Petkov
2010-05-30 20:17 ` Borislav Petkov
2010-05-30 21:09 ` H. Peter Anvin
2010-06-12 13:34 ` [uml-devel] " Paolo Giarrusso
2010-06-12 14:18 ` Borislav Petkov
2010-06-12 16:01 ` Paolo Giarrusso
2010-06-12 16:34 ` Borislav Petkov
2010-06-12 18:37 ` Geert Uytterhoeven
2010-06-13 6:58 ` Borislav Petkov
2010-05-31 13:55 ` Toralf Förster
2010-05-31 14:10 ` Borislav Petkov
2010-05-31 14:36 ` Toralf Förster
2010-05-31 14:36 ` Toralf Förster
2010-06-14 9:49 ` Toralf Förster
2010-06-14 9:49 ` Toralf Förster
2010-06-14 10:26 ` [uml-devel] " Paolo Giarrusso
2010-06-14 12:54 ` Toralf Förster
2010-06-14 13:00 ` Borislav Petkov
2010-06-14 13:00 ` Borislav Petkov
2010-06-14 13:44 ` Toralf Förster
2010-06-14 13:44 ` Toralf Förster
2010-06-14 14:39 ` Geert Uytterhoeven
2010-06-14 15:11 ` Toralf Förster
2010-06-14 15:20 ` H. Peter Anvin
2010-05-31 14:25 ` [uml-devel] " Boaz Harrosh
2010-05-31 2:32 ` Jeff Dike
2010-05-31 13:51 ` Borislav Petkov
2010-05-31 15:56 ` Jeff Dike
2010-05-31 16:29 ` Borislav Petkov
[not found] ` <tip-cc7f0a7b3004a4ca0bfef0e1ca79f2e0da6ca1b0@git.kernel.org>
2010-06-09 22:43 ` [tip:x86/urgent] " H. Peter Anvin
2010-06-10 5:32 ` Geert Uytterhoeven
2010-06-10 6:26 ` H. Peter Anvin
2010-06-09 8:04 ` [PATCH resend] um, " Boaz Harrosh
2010-06-09 8:09 ` [uml-devel] " Boaz Harrosh
2010-06-09 8:46 ` Geert Uytterhoeven
2010-06-09 9:08 ` Boaz Harrosh
2010-06-09 9:32 ` Américo Wang [this message]
2010-06-09 18:29 ` H. Peter Anvin
2010-06-14 16:08 ` Boaz Harrosh
2010-06-14 16:41 ` H. Peter Anvin
2010-06-14 18:18 ` Boaz Harrosh
2010-06-09 16:39 ` Boaz Harrosh
2010-06-10 23:43 ` [tip:x86/urgent] um, hweight: Fix UML boot crash due to x86 optimized hweight tip-bot for Borislav Petkov
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