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From: Oleg Nesterov <oleg@tv-sign.ru>
To: dipankar@in.ibm.com
Cc: Manfred Spraul <manfred@colorfullife.com>,
	linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH 1/2] rcu: cosmetic, delete wrong comment, use HARDIRQ_OFFSET
Date: Sun, 28 Nov 2004 20:36:24 +0300	[thread overview]
Message-ID: <41AA0C98.204B19CA@tv-sign.ru> (raw)
In-Reply-To: <20041128154227.GC20894@in.ibm.com>

Dipankar Sarma wrote:
> 
> Hmm. I agree with Manfred.  hardirq_count() <= (1 << HARDIRQ_SHIFT)
> was the test I arrived at since it was most explicit - One level
> of (local timer) interrupt over idle task and no softirq in between
> is OK to indicate that the cpu had seen an idle task. A bigger
> hardirq_count() indicates reentrant hardirq over idle task and we
> are no longer safe.
> 
> So, let's drop the HARDIRQ_OFFSET change.

Ok. I am resending these two patches in one.

Oleg.

      reply	other threads:[~2004-11-28 16:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-28 15:06 Oleg Nesterov
2004-11-28 14:31 ` William Lee Irwin III
2004-11-28 16:06   ` Oleg Nesterov
2004-11-28 15:19 ` Dipankar Sarma
2004-11-28 15:24   ` Manfred Spraul
2004-11-28 15:42     ` Dipankar Sarma
2004-11-28 17:36       ` Oleg Nesterov [this message]

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