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From: Zwane Mwaikambo <zwane@linuxpower.ca>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH] smp_call_function WARN_ON
Date: Sun, 15 Aug 2004 03:51:10 -0400 (EDT)	[thread overview]
Message-ID: <Pine.LNX.4.58.0408150337170.22078@montezuma.fsmlabs.com> (raw)
In-Reply-To: <411F08D1.7060400@colorfullife.com>

On Sun, 15 Aug 2004, Manfred Spraul wrote:

> Wrong: At least on i386 the code always waits for delivery of the IPI,
> it just doesn't wait for completion of the callback.
> Do you need IPIs from irq or bh context? It would be tricky to change
> the current code: an IPI just delivers an interrupt without any payload.
> The global 'call_data' variable contains the description of the IPI and
> accesses to it must be synchronized.

Oops yes you're right, i'd have to setup a seperate vector to be able to
do it without the wait entirely. Sorry about the noise.

Thanks,
	Zwane


  reply	other threads:[~2004-08-15  7:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-08-15  6:55 Manfred Spraul
2004-08-15  7:51 ` Zwane Mwaikambo [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-08-15  3:03 Zwane Mwaikambo

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