linux-kernel - Re: [PATCH 1/11] Add generic helpers for arch IPI function calls

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Message-ID: <480DFA8A.1050003@qumranet.com>
Date:	Tue, 22 Apr 2008 17:47:38 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Jens Axboe <jens.axboe@...cle.com>, linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org, npiggin@...e.de,
	torvalds@...ux-foundation.org
Subject: Re: [PATCH 1/11] Add generic helpers for arch IPI function calls

Peter Zijlstra wrote:
>> Perhaps we need a new flag for failable async IPIs (or better, API).  
>> I'm pretty sure no one uses s_c_f_s() from irq disabled context on x86, 
>> since it will WARN_ON(irqs_disabled()).
>>     
>
> Yeah, no current users, but that doesn't say I don't want to add new
> ones ;-

I suggest having a new API for that, I dislike long tails of flag arguments.

smp_call_function_single_async()?

-- 
error compiling committee.c: too many arguments to function

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