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authorAndreas Mohr <andi@rhlx01.fht-esslingen.de>2006-06-26 07:59:29 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 13:48:21 -0400
commit899ced0dd9457b9c349663ca4cb4ec09167728a6 (patch)
tree9b23a1d8fa804b28dba69df494bc8dc16d772738 /include/asm-x86_64/apic.h
parentcab093b9d4b40c71c6261a11ba8f1ca027e09008 (diff)
[PATCH] x86_64: Add cpu_relax to apic_wait_icr_idle
This one is adding a cpu_relax() that already existed in the i386 version. Signed-off-by: Andreas Mohr <andi@lisas.de> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-x86_64/apic.h')
-rw-r--r--include/asm-x86_64/apic.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h
index 9d43ac8519bf..9c96a0a8d1bd 100644
--- a/include/asm-x86_64/apic.h
+++ b/include/asm-x86_64/apic.h
@@ -49,7 +49,8 @@ static __inline unsigned int apic_read(unsigned long reg)
49 49
50static __inline__ void apic_wait_icr_idle(void) 50static __inline__ void apic_wait_icr_idle(void)
51{ 51{
52 while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY ); 52 while (apic_read( APIC_ICR ) & APIC_ICR_BUSY)
53 cpu_relax();
53} 54}
54 55
55static inline void ack_APIC_irq(void) 56static inline void ack_APIC_irq(void)