Re: [PATCH 1/10] Add generic helpers for arch IPI function calls | KernelTrap

Re: [PATCH 1/10] Add generic helpers for arch IPI function calls

view
thread

!MAILaRCHIVE_VOTE_RePLACE

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

[view in full thread]

From: Keith Owens <kaos@...>

To: <paulmck@...>

Cc: Nick Piggin <npiggin@...>, Jens Axboe <jens.axboe@...>, <linux-kernel@...>, <peterz@...>, <linux-arch@...>, <jeremy@...>, <mingo@...>

Subject: Re: [PATCH 1/10] Add generic helpers for arch IPI function calls

Date: Friday, May 2, 2008 - 8:50 am

"Paul E. McKenney" (on Fri, 2 May 2008 05:29:55 -0700) wrote:
quoted text>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.

--
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[PATCH 0/10] Add generic helpers for arch IPI function calls..., Jens Axboe, (Tue Apr 29, 3:26 am)

[PATCH 1/10] Add generic helpers for arch IPI function calls, Jens Axboe, (Tue Apr 29, 3:26 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Jeremy Fitzhardinge, (Wed Apr 30, 6:56 pm)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Tue Apr 29, 9:59 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Wed Apr 30, 7:29 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Jens Axboe, (Wed Apr 30, 7:34 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Wed Apr 30, 8:17 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Jens Axboe, (Wed Apr 30, 8:37 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Thu May 1, 10:02 pm)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Nick Piggin, (Thu May 1, 10:12 pm)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Fri May 2, 8:29 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Keith Owens, (Fri May 2, 8:50 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Fri May 2, 9:09 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Fri May 2, 8:42 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Peter Zijlstra, (Fri May 2, 8:59 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Nick Piggin, (Sat May 3, 1:49 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Sat May 3, 2:11 pm)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Nick Piggin, (Mon May 5, 12:15 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Mon May 5, 1:43 pm)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Jens Axboe, (Wed May 7, 4:42 pm)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Thu May 8, 12:36 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Sun May 4, 6:04 pm)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Fri May 2, 10:21 am)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Fri May 2, 10:30 pm)

Re: [PATCH 1/10] Add generic helpers for arch IPI function c..., Paul E. McKenney, (Wed Apr 30, 10:44 pm)

[PATCH 7/10] m32r: convert to generic helpers for IPI functi..., Jens Axboe, (Tue Apr 29, 3:26 am)

[PATCH 6/10] arm: convert to generic helpers for IPI functio..., Jens Axboe, (Tue Apr 29, 3:26 am)

[PATCH 5/10] alpha: convert to generic helpers for IPI funct..., Jens Axboe, (Tue Apr 29, 3:26 am)

[PATCH 2/10] x86: convert to generic helpers for IPI functio..., Jens Axboe, (Tue Apr 29, 3:26 am)

Re: [PATCH 2/10] x86: convert to generic helpers for IPI fun..., Jeremy Fitzhardinge, (Wed Apr 30, 5:39 pm)

Re: [PATCH 2/10] x86: convert to generic helpers for IPI fun..., Jeremy Fitzhardinge, (Tue Apr 29, 4:35 pm)

Re: [PATCH 2/10] x86: convert to generic helpers for IPI fun..., Jens Axboe, (Wed Apr 30, 7:35 am)

Re: [PATCH 2/10] x86: convert to generic helpers for IPI fun..., Paul E. McKenney, (Wed Apr 30, 8:20 am)

Re: [PATCH 2/10] x86: convert to generic helpers for IPI fun..., Jens Axboe, (Wed Apr 30, 8:31 am)

Re: [PATCH 2/10] x86: convert to generic helpers for IPI fun..., Jeremy Fitzhardinge, (Wed Apr 30, 10:51 am)

[PATCH 4/10] ia64: convert to generic helpers for IPI functi..., Jens Axboe, (Tue Apr 29, 3:26 am)

[PATCH 9/10] parisc: convert to generic helpers for IPI func..., Jens Axboe, (Tue Apr 29, 3:26 am)

[PATCH 3/10] powerpc: convert to generic helpers for IPI fun..., Jens Axboe, (Tue Apr 29, 3:26 am)

[PATCH 8/10] mips: convert to generic helpers for IPI functi..., Jens Axboe, (Tue Apr 29, 3:26 am)

[PATCH 10/10] sh: convert to generic helpers for IPI functio..., Jens Axboe, (Tue Apr 29, 3:26 am)

Navigation

Popular discussions


linux-kernel:
Greg KH	[GIT PATCH] driver core patches against 2.6.24
Tarkan Erimer	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
James Bottomley	Re: Announce: Linux-next (Or Andrew's dream :-))
Michal Piotrowski	Re: 2.6.21-rc5-mm4
linux-netdev:
Jarek Poplawski	[PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
Frans Pop	svc: failed to register lockdv1 RPC service (errno 97).
Lovich, Vitali	RE: [PATCH] Packet socket: mmapped IO: PACKET_TX_RING
git:

openbsd-misc:

Colocation donated by:

Who's online

There are currently 1 user and 664 guests online.

Online users

may77santo

Syndicate