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Date: Wed, 14 Jun 2006 21:29:20 +0200
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()
Message-ID: <20060614192920.GD19938@rhlx01.fht-esslingen.de>
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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