From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: Ingo Molnar <mingo@elte.hu>
Cc: Pekka Paalanen <pq@iki.fi>,
linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [repost PATCH] Fix SMP alternatives : use mutex instead of spinlock, text_poke is sleepable
Date: Tue, 22 Apr 2008 16:22:57 -0400 [thread overview]
Message-ID: <20080422202256.GA19639@Krystal> (raw)
In-Reply-To: <20080422190939.GA30045@elte.hu>
* Ingo Molnar (mingo@elte.hu) wrote:
>
> * Pekka Paalanen <pq@iki.fi> wrote:
>
> > Ingo,
> >
> > I see you applied the NX fix. This patch is the other one needed to
> > make CPU hotplug working. Could you apply this, unless Mathieu has
> > something against it?
>
> sure, patch looks sane - applied it and pushed it out. Thanks,
>
> Ingo
Ingo,
The patch found there should also be pulled (at least the
is_vmalloc_addr -> !core_kernel_text bit) :
http://lkml.org/lkml/2008/4/20/192
On x86_64, module code is not in is_vmalloc_addr range, so we can end up
using virt_to_page on module text addresses.
Mathieu
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2008-04-22 20:23 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080413224207.4430a09c@daedalus.pq.iki.fi>
2008-04-13 19:48 ` [PATCH] mmiotrace: add user documentation Pekka Paalanen
2008-04-14 15:49 ` Steven Rostedt
2008-04-14 18:20 ` Pekka Paalanen
2008-04-13 20:05 ` [BUG/PATCH] x86 mmiotrace: dynamically disable non-boot CPUs Pekka Paalanen
2008-04-14 6:57 ` Ingo Molnar
2008-04-14 18:02 ` Pekka Paalanen
2008-04-16 11:46 ` Ingo Molnar
2008-04-16 17:59 ` Pekka Paalanen
2008-04-16 18:32 ` Ingo Molnar
2008-04-16 19:07 ` Steven Rostedt
2008-04-16 20:42 ` Pekka Paalanen
2008-04-16 20:47 ` Ingo Molnar
2008-07-24 15:34 ` [Nouveau] " Stephane Marchesin
2008-04-19 15:41 ` [BUG] kmalloc_node(GFP_KERNEL) while smp_alt spinlocked Pekka Paalanen
2008-04-19 16:19 ` [PATCH] Fix SMP alternatives : use mutex instead of spinlock, text_poke is sleepable Mathieu Desnoyers
2008-04-19 21:06 ` Pekka Paalanen
2008-04-19 21:52 ` [BUG] CPU hotplug reboots machine (Re: [PATCH] Fix SMP alternatives : use mutex instead of spinlock, text_poke is sleepable) Pekka Paalanen
2008-04-19 21:58 ` [PATCH] Check for breakpoint in text_poke to eliminate bug_on Mathieu Desnoyers
2008-04-19 22:42 ` Pekka Paalanen
2008-04-20 0:05 ` Mathieu Desnoyers
2008-04-20 7:14 ` Pekka Paalanen
2008-04-20 19:44 ` Mathieu Desnoyers
2008-04-20 20:18 ` Pekka Paalanen
2008-04-20 20:25 ` Mathieu Desnoyers
2008-04-21 18:48 ` [PATCH] x86_64: fix kernel rodata NX setting Pekka Paalanen
2008-04-21 18:57 ` Steven Rostedt
2008-04-21 19:03 ` Ingo Molnar
2008-04-22 18:42 ` [repost PATCH] Fix SMP alternatives : use mutex instead of spinlock, text_poke is sleepable Pekka Paalanen
2008-04-22 19:09 ` Ingo Molnar
2008-04-22 20:22 ` Mathieu Desnoyers [this message]
2008-04-24 19:39 ` [PATCH v2] x86 mmiotrace: dynamically disable non-boot CPUs Pekka Paalanen
2008-04-26 11:13 ` Ingo Molnar
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