From: Pavel Machek <pavel@ucw.cz>
To: Mark Lord <lkml@rtr.ca>
Cc: Jens Axboe <jens.axboe@oracle.com>,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
npiggin@suse.de, torvalds@linux-foundation.org
Subject: Re: [PATCH 1/11] Add generic helpers for arch IPI function calls
Date: Thu, 1 May 2008 18:23:30 +0200 [thread overview]
Message-ID: <20080501162330.GG26085@elf.ucw.cz> (raw)
In-Reply-To: <4815E9AD.50601@rtr.ca>
>>> Something like this will close the window to right up until the point
>>> where the other CPUs have 'almost' called halt().
>>
>> Now I took a look at context... why not simply use same trick swsusp
>> uses, and do a hot unplug of all cpus at the end of shutdown?
> ..
>
> That's the current existing workaround for this bug,
> but not everybody has cpu hotplug in their config,
> and this bug should still get fixed.
Ok... alternative solution is to keep cpu hotplug always
enabled. Suspend & hibernation seems to need it, anyway, and
dupliating code between cpu hotplug and shutdown does not look _that_
attractive.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2008-05-01 16:23 UTC|newest]
Thread overview: 167+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-22 7:57 [PATCH 0/11] Generic smp_call_function() and friends Jens Axboe
2008-04-22 7:57 ` Jens Axboe
[not found] ` <1208851058-8500-1-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-22 7:57 ` [PATCH 1/11] Add generic helpers for arch IPI function calls Jens Axboe
2008-04-22 7:57 ` Jens Axboe
[not found] ` <1208851058-8500-2-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-22 9:16 ` Avi Kivity
2008-04-22 9:16 ` Avi Kivity
[not found] ` <480DACDD.7040108-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-04-22 9:22 ` Jens Axboe
2008-04-22 9:22 ` Jens Axboe
[not found] ` <20080422092230.GW12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-22 11:14 ` Jens Axboe
2008-04-22 11:14 ` Jens Axboe
2008-04-22 13:00 ` Peter Zijlstra
2008-04-22 13:00 ` Peter Zijlstra
2008-04-22 14:25 ` Jens Axboe
2008-04-22 14:25 ` Jens Axboe
[not found] ` <20080422142543.GG12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-22 14:38 ` Avi Kivity
2008-04-22 14:38 ` Avi Kivity
[not found] ` <480DF861.6000705-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-04-22 14:43 ` Peter Zijlstra
2008-04-22 14:43 ` Peter Zijlstra
2008-04-22 14:47 ` Avi Kivity
2008-04-22 14:47 ` Avi Kivity
2008-04-22 14:53 ` Jens Axboe
2008-04-22 14:53 ` Jens Axboe
2008-04-22 14:43 ` Linus Torvalds
2008-04-22 14:43 ` Linus Torvalds
[not found] ` <alpine.LFD.1.10.0804220735350.2779-5CScLwifNT1QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
2008-04-22 14:51 ` Jens Axboe
2008-04-22 14:51 ` Jens Axboe
2008-04-22 15:01 ` Linus Torvalds
2008-04-22 15:01 ` Linus Torvalds
2008-04-22 16:49 ` Jens Axboe
2008-04-22 16:49 ` Jens Axboe
[not found] ` <20080422164947.GN12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-22 17:04 ` Jens Axboe
2008-04-22 17:04 ` Jens Axboe
[not found] ` <20080422170405.GO12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-22 17:13 ` Jens Axboe
2008-04-22 17:13 ` Jens Axboe
[not found] ` <20080422171324.GP12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-22 17:29 ` Linus Torvalds
2008-04-22 17:29 ` Linus Torvalds
[not found] ` <alpine.LFD.1.10.0804221027210.2779-5CScLwifNT1QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
2008-04-22 18:23 ` Jens Axboe
2008-04-22 18:23 ` Jens Axboe
[not found] ` <20080422182337.GQ12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-22 18:39 ` Linus Torvalds
2008-04-22 18:39 ` Linus Torvalds
2008-04-22 14:58 ` Linus Torvalds
2008-04-22 14:58 ` Linus Torvalds
[not found] ` <alpine.LFD.1.10.0804220749450.2779-5CScLwifNT1QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
2008-04-22 15:07 ` Jens Axboe
2008-04-22 15:07 ` Jens Axboe
2008-04-22 23:12 ` Mark Lord
2008-04-22 23:12 ` Mark Lord
[not found] ` <480E70ED.3030701-gsilrlXbHYg@public.gmane.org>
2008-04-23 7:24 ` Jens Axboe
2008-04-23 7:24 ` Jens Axboe
[not found] ` <20080423072432.GX12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-23 13:42 ` Mark Lord
2008-04-23 13:42 ` Mark Lord
[not found] ` <480F3CBC.60305-gsilrlXbHYg@public.gmane.org>
2008-04-23 13:51 ` Jens Axboe
2008-04-23 13:51 ` Jens Axboe
2008-04-23 14:46 ` Mark Lord
2008-04-23 14:46 ` Mark Lord
[not found] ` <480F4BD9.8090003-gsilrlXbHYg@public.gmane.org>
2008-04-24 10:59 ` Jens Axboe
2008-04-24 10:59 ` Jens Axboe
[not found] ` <20080424105908.GW12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-24 12:44 ` Mark Lord
2008-04-24 12:44 ` Mark Lord
[not found] ` <481080A0.9050804-gsilrlXbHYg@public.gmane.org>
2008-04-24 21:30 ` Rafael J. Wysocki
2008-04-24 21:30 ` Rafael J. Wysocki
2008-04-25 11:08 ` Pavel Machek
2008-04-25 11:08 ` Pavel Machek
2008-04-26 8:04 ` Pavel Machek
2008-04-26 8:04 ` Pavel Machek
2008-04-28 15:13 ` Mark Lord
2008-04-28 15:13 ` Mark Lord
2008-05-01 16:23 ` Pavel Machek [this message]
2008-04-22 7:57 ` [PATCH 2/11] x86: convert to generic helpers for " Jens Axboe
2008-04-22 7:57 ` Jens Axboe
[not found] ` <1208851058-8500-3-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-22 8:38 ` Sam Ravnborg
2008-04-22 8:38 ` Sam Ravnborg
[not found] ` <20080422083810.GA23540-QabhHTsIXMSnlFQ6Q1D1Y0B+6BGkLq7r@public.gmane.org>
2008-04-22 8:43 ` Jens Axboe
2008-04-22 8:43 ` Jens Axboe
[not found] ` <20080422084315.GT12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-22 11:15 ` Jens Axboe
2008-04-22 11:15 ` Jens Axboe
2008-04-22 8:47 ` Ingo Molnar
2008-04-22 8:47 ` Ingo Molnar
[not found] ` <20080422084738.GB2388-X9Un+BFzKDI@public.gmane.org>
2008-04-22 8:48 ` Jacek Luczak
2008-04-22 8:48 ` Jacek Luczak
[not found] ` <480DA670.4060707-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2008-04-22 8:56 ` Jens Axboe
2008-04-22 8:56 ` Jens Axboe
[not found] ` <20080422085629.GV12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-22 9:04 ` Jacek Luczak
2008-04-22 9:04 ` Jacek Luczak
2008-04-22 8:52 ` Jens Axboe
2008-04-22 8:52 ` Jens Axboe
2008-04-26 8:59 ` Jeremy Fitzhardinge
2008-04-26 8:59 ` Jeremy Fitzhardinge
2008-04-22 7:57 ` [PATCH 3/11] powerpc: " Jens Axboe
2008-04-22 7:57 ` Jens Axboe
[not found] ` <1208851058-8500-4-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-22 12:03 ` Paul Mackerras
2008-04-22 12:03 ` Paul Mackerras
[not found] ` <18445.54284.194023.553595-UYQwCShxghk5kJ7NmlRacFaTQe2KTcn/@public.gmane.org>
2008-04-22 12:13 ` Jens Axboe
2008-04-22 12:13 ` Jens Axboe
[not found] ` <20080422121315.GE12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-22 12:42 ` Paul Mackerras
2008-04-22 12:42 ` Paul Mackerras
[not found] ` <18445.56653.957832.720681-UYQwCShxghk5kJ7NmlRacFaTQe2KTcn/@public.gmane.org>
2008-04-22 18:51 ` Jens Axboe
2008-04-22 18:51 ` Jens Axboe
2008-04-22 7:57 ` [PATCH 4/11] ia64: " Jens Axboe
2008-04-22 7:57 ` Jens Axboe
2008-04-22 7:57 ` [PATCH 5/11] alpha: " Jens Axboe
2008-04-22 7:57 ` Jens Axboe
2008-04-22 7:57 ` [PATCH 6/11] arm: " Jens Axboe
2008-04-22 7:57 ` Jens Axboe
2008-04-22 15:00 ` Catalin Marinas
2008-04-22 15:00 ` Catalin Marinas
[not found] ` <1208876447.31997.30.camel-hhZApKj8DF/YkXV2EHHjLW3o5bpOHsLO@public.gmane.org>
2008-04-22 18:43 ` Jens Axboe
2008-04-22 18:43 ` Jens Axboe
2008-04-22 7:57 ` [PATCH 7/11] m32r: " Jens Axboe
2008-04-22 7:57 ` Jens Axboe
2008-04-22 7:57 ` [PATCH 8/11] mips: " Jens Axboe
2008-04-22 7:57 ` Jens Axboe
2008-04-22 7:57 ` [PATCH 9/11] parisc: " Jens Axboe
2008-04-22 7:57 ` Jens Axboe
[not found] ` <1208851058-8500-10-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-22 14:09 ` Kyle McMartin
2008-04-22 14:09 ` Kyle McMartin
[not found] ` <20080422140914.GD19802-EK4dZfYtfFRW/gs8oUvUg/d9D2ou9A/h@public.gmane.org>
2008-04-22 14:27 ` Jens Axboe
2008-04-22 14:27 ` Jens Axboe
[not found] ` <20080422142738.GH12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-22 14:30 ` Kyle McMartin
2008-04-22 14:30 ` Kyle McMartin
[not found] ` <20080422143016.GE19802-EK4dZfYtfFRW/gs8oUvUg/d9D2ou9A/h@public.gmane.org>
2008-04-22 14:49 ` Jens Axboe
2008-04-22 14:49 ` Jens Axboe
2008-04-22 7:57 ` [PATCH 10/11] sh: " Jens Axboe
2008-04-22 7:57 ` Jens Axboe
2008-04-22 7:57 ` [PATCH 11/11] s390: " Jens Axboe
2008-04-22 7:57 ` Jens Axboe
[not found] ` <1208851058-8500-12-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-22 8:04 ` Martin Schwidefsky
2008-04-22 8:04 ` Martin Schwidefsky
2008-04-22 8:07 ` Jens Axboe
2008-04-22 8:07 ` Jens Axboe
2008-04-22 7:57 ` Jens Axboe
2008-04-22 7:57 ` Jens Axboe
2008-04-22 8:48 ` [PATCH 0/11] Generic smp_call_function() and friends Peter Zijlstra
2008-04-22 8:48 ` Peter Zijlstra
-- strict thread matches above, loose matches on Subject: below --
2008-04-22 18:50 [PATCH 0/11] Generic smp_call_function() #2 Jens Axboe
[not found] ` <1208890227-24808-1-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-22 18:50 ` [PATCH 1/11] Add generic helpers for arch IPI function calls Jens Axboe
2008-04-22 18:50 ` Jens Axboe
[not found] ` <1208890227-24808-2-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-22 20:17 ` Peter Zijlstra
2008-04-22 20:17 ` Peter Zijlstra
2008-04-23 6:07 ` Jens Axboe
2008-04-23 6:07 ` Jens Axboe
[not found] ` <20080423060725.GT12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-23 6:32 ` Peter Zijlstra
2008-04-23 6:32 ` Peter Zijlstra
2008-04-23 7:49 ` Jens Axboe
2008-04-23 7:49 ` Jens Axboe
[not found] ` <20080423074933.GB12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-23 7:50 ` Peter Zijlstra
2008-04-23 7:50 ` Peter Zijlstra
2008-04-24 22:01 ` Russell King
2008-04-24 22:01 ` Russell King
[not found] ` <20080424220157.GA26179-f404yB8NqCZvn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2008-04-25 7:18 ` Jens Axboe
2008-04-25 7:18 ` Jens Axboe
[not found] ` <20080425071823.GF12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-26 6:28 ` Jeremy Fitzhardinge
2008-04-26 6:28 ` Jeremy Fitzhardinge
[not found] ` <4812CB99.1070600-TSDbQ3PG+2Y@public.gmane.org>
2008-04-28 7:38 ` Jes Sorensen
2008-04-28 7:38 ` Jes Sorensen
2008-04-26 6:11 ` Andrew Morton
2008-04-26 6:11 ` Andrew Morton
[not found] ` <20080425231100.b93a1601.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2008-04-26 14:13 ` James Bottomley
2008-04-26 14:13 ` James Bottomley
2008-04-27 0:58 ` Paul E. McKenney
2008-04-27 0:58 ` Paul E. McKenney
[not found] ` <20080427005816.GB21687-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2008-04-27 10:36 ` Jens Axboe
2008-04-27 10:36 ` Jens Axboe
2008-04-27 10:30 ` Jens Axboe
2008-04-27 10:30 ` Jens Axboe
[not found] ` <1209219236.3113.6.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-04-28 14:25 ` David Howells
2008-04-28 14:25 ` David Howells
[not found] ` <18470.1209392727-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-04-28 14:43 ` James Bottomley
2008-04-28 14:43 ` James Bottomley
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