From: "H. Peter Anvin" <hpa@zytor.com>
To: Kees Cook <kees.cook@canonical.com>
Cc: mingo@redhat.com, linux-kernel@vger.kernel.org,
castet.matthieu@free.fr, tglx@linutronix.de, hpa@linux.intel.com
Subject: Re: [tip:x86/urgent] x86-32: Make sure the stack is set up before we use it
Date: Fri, 04 Feb 2011 20:37:37 -0800 [thread overview]
Message-ID: <4D4CD411.6070800@zytor.com> (raw)
In-Reply-To: <20110205021922.GP5503@outflux.net>
On 02/04/2011 06:19 PM, Kees Cook wrote:
> Hi Peter,
>
> This works for me doing CPU hotplugging on ia32, but on x86_64 it hangs.
> (Both boot, though.)
>
> Thanks,
>
> -Kees
I can't reproduce the failure here, and it's hard to see how this patch
would make a significant change on 64 bits. Could you try reverting
*only* the head_64.S hunk and try it on your platform again?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2011-02-05 4:38 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-27 21:49 [BUG] broken ebba638ae723d8a8fc2f7abce5ec18b688b791d7 matthieu castet
2011-01-27 23:00 ` Kees Cook
2011-01-28 2:24 ` H. Peter Anvin
2011-01-28 3:38 ` H. Peter Anvin
2011-01-28 16:58 ` Jeremy Fitzhardinge
2011-02-02 22:48 ` H. Peter Anvin
2011-02-03 1:19 ` Rusty Russell
2011-02-03 2:00 ` Rusty Russell
2011-02-03 2:35 ` H. Peter Anvin
2011-02-03 10:02 ` Rusty Russell
2011-02-03 17:11 ` H. Peter Anvin
2011-01-31 21:38 ` Kees Cook
2011-01-31 23:11 ` matthieu castet
2011-01-31 23:17 ` Rafael J. Wysocki
2011-02-01 13:07 ` castet.matthieu
2011-02-01 18:50 ` Rafael J. Wysocki
2011-01-31 23:52 ` Kees Cook
2011-02-01 1:10 ` H. Peter Anvin
2011-02-02 20:40 ` Kees Cook
2011-02-04 5:47 ` H. Peter Anvin
2011-01-31 23:12 ` matthieu castet
2011-02-05 0:34 ` [tip:x86/urgent] x86-32: Make sure the stack is set up before we use it tip-bot for H. Peter Anvin
2011-02-05 0:45 ` tip-bot for H. Peter Anvin
2011-02-05 2:19 ` Kees Cook
2011-02-05 4:37 ` H. Peter Anvin [this message]
2011-02-05 5:37 ` Kees Cook
2011-02-05 6:26 ` H. Peter Anvin
2011-02-05 6:31 ` tip-bot for H. Peter Anvin
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