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authorKarsten Wiese <annabellesgarden@yahoo.de>2005-09-06 18:17:25 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-07 19:57:29 -0400
commitf26fdd59929e1144c6caf72adcaf4561d6e682a4 (patch)
tree85081e47a7c5943ac1d262e806e4138e14360ecc /include/asm-parisc/irq.h
parentf8eeaaf4180334a8e5c3582fe62a5f8176a8c124 (diff)
[PATCH] CHECK_IRQ_PER_CPU() to avoid dead code in __do_IRQ()
IRQ_PER_CPU is not used by all architectures. This patch introduces the macros ARCH_HAS_IRQ_PER_CPU and CHECK_IRQ_PER_CPU() to avoid the generation of dead code in __do_IRQ(). ARCH_HAS_IRQ_PER_CPU is defined by architectures using IRQ_PER_CPU in their include/asm_ARCH/irq.h file. Through grepping the tree I found the following architectures currently use IRQ_PER_CPU: cris, ia64, ppc, ppc64 and parisc. Signed-off-by: Karsten Wiese <annabellesgarden@yahoo.de> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-parisc/irq.h')
-rw-r--r--include/asm-parisc/irq.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-parisc/irq.h b/include/asm-parisc/irq.h
index 75654ba93353..f876bdf22056 100644
--- a/include/asm-parisc/irq.h
+++ b/include/asm-parisc/irq.h
@@ -26,6 +26,11 @@
26 26
27#define NR_IRQS (CPU_IRQ_MAX + 1) 27#define NR_IRQS (CPU_IRQ_MAX + 1)
28 28
29/*
30 * IRQ line status macro IRQ_PER_CPU is used
31 */
32#define ARCH_HAS_IRQ_PER_CPU
33
29static __inline__ int irq_canonicalize(int irq) 34static __inline__ int irq_canonicalize(int irq)
30{ 35{
31 return (irq == 2) ? 9 : irq; 36 return (irq == 2) ? 9 : irq;