From: Andreas Mohr <andi@rhlx01.fht-esslingen.de>
To: Andrew Morton <akpm@osdl.org>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>, linux-kernel@vger.kernel.org
Subject: [PATCH -mm] tasklet_unlock_wait() cpu_relax()
Date: Wed, 14 Jun 2006 21:29:20 +0200 [thread overview]
Message-ID: <20060614192920.GD19938@rhlx01.fht-esslingen.de> (raw)
Hi all,
use cpu_relax() here, too (instead of barrier()).
Signed-off-by: Andreas Mohr <andi@lisas.de>
diff -urN linux-2.6.17-rc6-mm2.orig/include/linux/interrupt.h linux-2.6.17-rc6-mm2.my/include/linux/interrupt.h
--- linux-2.6.17-rc6-mm2.orig/include/linux/interrupt.h 2006-06-13 19:28:16.000000000 +0200
+++ linux-2.6.17-rc6-mm2.my/include/linux/interrupt.h 2006-06-14 20:35:49.000000000 +0200
@@ -227,7 +227,7 @@
static inline void tasklet_unlock_wait(struct tasklet_struct *t)
{
- while (test_bit(TASKLET_STATE_RUN, &(t)->state)) { barrier(); }
+ while (test_bit(TASKLET_STATE_RUN, &(t)->state)) { cpu_relax(); }
}
#else
#define tasklet_trylock(t) 1
next reply other threads:[~2006-06-14 19:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-14 19:29 Andreas Mohr [this message]
2006-06-15 15:34 ` Arjan van de Ven
2006-06-16 13:48 ` Christoph Hellwig
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