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: 36+ 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
[not found] ` <20080416114609.GA20054-X9Un+BFzKDI@public.gmane.org>
2008-04-16 17:59 ` Pekka Paalanen
2008-04-16 17:59 ` Pekka Paalanen
2008-04-16 18:32 ` Ingo Molnar
2008-04-16 19:07 ` Steven Rostedt
[not found] ` <20080416183258.GA30490-X9Un+BFzKDI@public.gmane.org>
2008-04-16 20:42 ` Pekka Paalanen
2008-04-16 20:42 ` Pekka Paalanen
[not found] ` <20080416234209.221b7fae-cxYvVS3buNOdIgDiPM52R8c4bpwCjbIv@public.gmane.org>
2008-04-16 20:47 ` Ingo Molnar
2008-04-16 20:47 ` Ingo Molnar
[not found] ` <20080416205902.6186d349-cxYvVS3buNOdIgDiPM52R8c4bpwCjbIv@public.gmane.org>
2008-07-24 15:34 ` Stephane Marchesin
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080422202256.GA19639@Krystal \
--to=mathieu.desnoyers@polymtl.ca \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=pq@iki.fi \
--cc=rostedt@goodmis.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.