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

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Date:	Tue, 22 Apr 2008 10:29:38 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Jens Axboe <jens.axboe@...cle.com>
cc:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	npiggin@...e.de
Subject: Re: [PATCH 1/11] Add generic helpers for arch IPI function calls



On Tue, 22 Apr 2008, Jens Axboe wrote:
> 
> But wait, falling back to wait cannot always be safe if we are called
> with interrupts disabled. I don't see any way around using the global
> fallback for that case.

Hmm. Good point. It does look like you need three cases.

		Linus
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