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authorDavid Howells <dhowells@redhat.com>2006-09-26 02:32:07 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-26 11:48:53 -0400
commitaf8c65b57aaa4ae321af34dbfc5ca7f5625263fe (patch)
tree404b7054e52f8cd0a4347649cae8b5ab82fec357 /include/linux/irq.h
parent88d6e19900366781739df033e9c0e2532e715fa5 (diff)
[PATCH] FRV: permit __do_IRQ() to be dispensed with
Permit __do_IRQ() to be dispensed with based on a configuration option. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: 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/linux/irq.h')
-rw-r--r--include/linux/irq.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index fbf6d901e9c2..48d3cb3b6a47 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -320,7 +320,9 @@ handle_irq_name(void fastcall (*handle)(unsigned int, struct irq_desc *,
320 * Monolithic do_IRQ implementation. 320 * Monolithic do_IRQ implementation.
321 * (is an explicit fastcall, because i386 4KSTACKS calls it from assembly) 321 * (is an explicit fastcall, because i386 4KSTACKS calls it from assembly)
322 */ 322 */
323#ifndef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
323extern fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs); 324extern fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs);
325#endif
324 326
325/* 327/*
326 * Architectures call this to let the generic IRQ layer 328 * Architectures call this to let the generic IRQ layer
@@ -332,10 +334,14 @@ static inline void generic_handle_irq(unsigned int irq, struct pt_regs *regs)
332{ 334{
333 struct irq_desc *desc = irq_desc + irq; 335 struct irq_desc *desc = irq_desc + irq;
334 336
337#ifdef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
338 desc->handle_irq(irq, desc, regs);
339#else
335 if (likely(desc->handle_irq)) 340 if (likely(desc->handle_irq))
336 desc->handle_irq(irq, desc, regs); 341 desc->handle_irq(irq, desc, regs);
337 else 342 else
338 __do_IRQ(irq, regs); 343 __do_IRQ(irq, regs);
344#endif
339} 345}
340 346
341/* Handling of unhandled and spurious interrupts: */ 347/* Handling of unhandled and spurious interrupts: */