From: Keith Owens <kaos@ocs.com.au>
To: paulmck@linux.vnet.ibm.com
Cc: Nick Piggin <npiggin@suse.de>, Jens Axboe <jens.axboe@oracle.com>,
linux-kernel@vger.kernel.org, peterz@infradead.org,
linux-arch@vger.kernel.org, jeremy@goop.org, mingo@elte.hu
Subject: Re: [PATCH 1/10] Add generic helpers for arch IPI function calls
Date: Fri, 02 May 2008 22:50:44 +1000 [thread overview]
Message-ID: <27854.1209732644@ocs10w> (raw)
In-Reply-To: Your message of "Fri, 02 May 2008 05:29:55 MST." <20080502122955.GB15522@linux.vnet.ibm.com>
"Paul E. McKenney" (on Fri, 2 May 2008 05:29:55 -0700) wrote:
>OK -- for some reason, I was thinking that it was illegal to
>invoke smp_call_function() with irqs disabled...
>
>Ah, I see it -- smp_call_function_mask() says:
>
> * You must not call this function with disabled interrupts or from a
> * hardware interrupt handler or from a bottom half handler.
>
>So we have no problem with smp_call_function, then.
>
>OK, so smp_call_function() -can- be invoked with irqs disabled?
>Hmmm... I will give this some thought.
Doing any smp_call_function with interrupts disabled is a potential
deadlock. See http://lkml.org/lkml/2004/5/2/116.
next prev parent reply other threads:[~2008-05-02 12:57 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-29 7:26 [PATCH 0/10] Add generic helpers for arch IPI function calls #3 Jens Axboe
2008-04-29 7:26 ` Jens Axboe
[not found] ` <1209453990-7735-1-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-29 7:26 ` [PATCH 1/10] Add generic helpers for arch IPI function calls Jens Axboe
2008-04-29 7:26 ` Jens Axboe
[not found] ` <1209453990-7735-2-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-29 13:59 ` Paul E. McKenney
2008-04-29 13:59 ` Paul E. McKenney
[not found] ` <20080429135936.GC12390-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2008-04-30 11:29 ` Paul E. McKenney
2008-04-30 11:29 ` Paul E. McKenney
[not found] ` <20080430112934.GA23203-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2008-04-30 11:34 ` Jens Axboe
2008-04-30 11:34 ` Jens Axboe
[not found] ` <20080430113456.GY12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-30 12:17 ` Paul E. McKenney
2008-04-30 12:17 ` Paul E. McKenney
[not found] ` <20080430121712.GR11126-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2008-04-30 12:37 ` Jens Axboe
2008-04-30 12:37 ` Jens Axboe
[not found] ` <20080430123717.GC12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-05-01 2:44 ` Paul E. McKenney
2008-05-01 2:44 ` Paul E. McKenney
2008-05-02 2:02 ` Paul E. McKenney
2008-05-02 2:12 ` Nick Piggin
2008-05-02 12:29 ` Paul E. McKenney
2008-05-02 12:42 ` Paul E. McKenney
2008-05-02 12:59 ` Peter Zijlstra
2008-05-02 14:21 ` Paul E. McKenney
2008-05-03 2:30 ` Paul E. McKenney
2008-05-03 5:49 ` Nick Piggin
2008-05-03 18:11 ` Paul E. McKenney
2008-05-04 22:04 ` Paul E. McKenney
2008-05-05 4:15 ` Nick Piggin
2008-05-05 17:43 ` Paul E. McKenney
2008-05-07 20:42 ` Jens Axboe
2008-05-08 4:36 ` Paul E. McKenney
2008-05-02 12:50 ` Keith Owens [this message]
2008-05-02 13:09 ` Paul E. McKenney
2008-04-30 22:56 ` Jeremy Fitzhardinge
2008-04-30 22:56 ` Jeremy Fitzhardinge
2008-04-29 7:26 ` [PATCH 2/10] x86: convert to generic helpers for " Jens Axboe
2008-04-29 7:26 ` Jens Axboe
[not found] ` <1209453990-7735-3-git-send-email-jens.axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2008-04-29 20:35 ` Jeremy Fitzhardinge
2008-04-29 20:35 ` Jeremy Fitzhardinge
[not found] ` <481786A5.7010604-TSDbQ3PG+2Y@public.gmane.org>
2008-04-30 11:35 ` Jens Axboe
2008-04-30 11:35 ` Jens Axboe
[not found] ` <20080430113542.GZ12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-30 12:20 ` Paul E. McKenney
2008-04-30 12:20 ` Paul E. McKenney
[not found] ` <20080430122001.GS11126-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2008-04-30 12:31 ` Jens Axboe
2008-04-30 12:31 ` Jens Axboe
[not found] ` <20080430123136.GB12774-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2008-04-30 14:51 ` Jeremy Fitzhardinge
2008-04-30 14:51 ` Jeremy Fitzhardinge
2008-04-30 21:39 ` Jeremy Fitzhardinge
2008-04-30 21:39 ` Jeremy Fitzhardinge
2008-04-29 7:26 ` [PATCH 3/10] powerpc: " Jens Axboe
2008-04-29 7:26 ` Jens Axboe
2008-04-29 7:26 ` [PATCH 4/10] ia64: " Jens Axboe
2008-04-29 7:26 ` Jens Axboe
2008-04-29 7:26 ` [PATCH 5/10] alpha: " Jens Axboe
2008-04-29 7:26 ` Jens Axboe
2008-04-29 7:26 ` [PATCH 6/10] arm: " Jens Axboe
2008-04-29 7:26 ` Jens Axboe
2008-04-29 7:26 ` [PATCH 7/10] m32r: " Jens Axboe
2008-04-29 7:26 ` Jens Axboe
2008-04-29 7:26 ` [PATCH 8/10] mips: " Jens Axboe
2008-04-29 7:26 ` Jens Axboe
2008-04-29 7:26 ` [PATCH 9/10] parisc: " Jens Axboe
2008-04-29 7:26 ` Jens Axboe
2008-04-29 7:26 ` [PATCH 10/10] sh: " Jens Axboe
2008-04-29 7:26 ` Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2008-05-29 8:58 [PATCH 0/10] Add generic helpers for arch IPI function calls #4 Jens Axboe
2008-05-29 8:58 ` [PATCH 1/10] Add generic helpers for arch IPI function calls Jens Axboe
2008-05-30 11:24 ` Paul E. McKenney
2008-06-06 8:44 ` Jens Axboe
2008-06-10 14:51 ` Catalin Marinas
2008-06-10 15:44 ` James Bottomley
2008-06-10 16:04 ` Catalin Marinas
2008-06-10 15:47 ` Paul E. McKenney
2008-06-10 16:53 ` Catalin Marinas
2008-06-11 3:25 ` Nick Piggin
2008-06-11 10:13 ` Catalin Marinas
2008-07-06 17:21 ` Jeremy Fitzhardinge
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=27854.1209732644@ocs10w \
--to=kaos@ocs.com.au \
--cc=jens.axboe@oracle.com \
--cc=jeremy@goop.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=npiggin@suse.de \
--cc=paulmck@linux.vnet.ibm.com \
--cc=peterz@infradead.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.