From: Rusty Russell <rusty@rustcorp.com.au>
To: Andi Kleen <ak@muc.de>, Andrew Morton <akpm@osdl.org>,
Linus Torvalds <torvalds@osdl.org>, Ingo Molnar <mingo@elte.hu>,
Neil Brown <neilb@suse.de>
Cc: lkml - Kernel Mailing List <linux-kernel@vger.kernel.org>,
virtualization <virtualization@lists.osdl.org>
Subject: [PATCH] Use correct macros in raid code, not raw asm
Date: Fri, 29 Dec 2006 10:34:21 +1100 [thread overview]
Message-ID: <1167348861.30506.46.camel@localhost.localdomain> (raw)
This make sure it's paravirtualized correctly when CONFIG_PARAVIRT=y.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff -r 4ff048622391 drivers/md/raid6x86.h
--- a/drivers/md/raid6x86.h Thu Dec 28 16:52:54 2006 +1100
+++ b/drivers/md/raid6x86.h Fri Dec 29 10:09:38 2006 +1100
@@ -75,13 +75,14 @@ static inline unsigned long raid6_get_fp
unsigned long cr0;
preempt_disable();
- asm volatile("mov %%cr0,%0 ; clts" : "=r" (cr0));
+ cr0 = read_cr0();
+ clts();
return cr0;
}
static inline void raid6_put_fpu(unsigned long cr0)
{
- asm volatile("mov %0,%%cr0" : : "r" (cr0));
+ write_cr0(cr0);
preempt_enable();
}
next reply other threads:[~2006-12-28 23:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-28 23:34 Rusty Russell [this message]
2006-12-28 23:51 ` [PATCH] Use correct macros in raid code, not raw asm Linus Torvalds
2006-12-28 23:56 ` Andrew Morton
2006-12-29 0:06 ` Rusty Russell
2006-12-29 11:13 ` Andi Kleen
2007-02-09 1:20 ` H. Peter Anvin
2007-02-09 1:37 ` Neil Brown
2007-02-09 1:43 ` H. Peter Anvin
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