linux-kernel - Re: [PATCH] Export current_is

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Date:	Thu, 7 Dec 2006 10:01:56 -0800 (PST)
From:	Linus Torvalds <torvalds@...l.org>
To:	Andrew Morton <akpm@...l.org>
cc:	David Howells <dhowells@...hat.com>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	Roland Dreier <rdreier@...co.com>,
	Andy Fleming <afleming@...escale.com>,
	Ben Collins <ben.collins@...ntu.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jeff Garzik <jeff@...zik.org>
Subject: Re: [PATCH] Export current_is_keventd() for libphy



On Thu, 7 Dec 2006, Andrew Morton wrote:
> 
> umm..  Putting a work_struct* into struct cpu_workqueue_struct and then
> doing appropriate things with cpu_workqueue_struct.lock might work.

Yeah, that looks sane. We can't hide anything in "struct work", because we 
can't trust it any more once it's been dispatched, but adding a pointer to 
the cpu_workqueue_struct that is only used to compare against another 
pointer sounds fine.

		Linus
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