diff options
| author | Wu Zhangjin <wuzhangjin@gmail.com> | 2009-11-20 20:34:33 +0800 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-12-17 01:57:24 +0000 |
| commit | 8f99a162653531ef25a3dd0f92bfb6332cd2b295 (patch) | |
| tree | 7dbb95ed810a1fe91c243e05b0d858a7846ec22c /arch/mips/include | |
| parent | 538f19526e40ce7a5a296fad6a3121409c890adc (diff) | |
MIPS: Tracing: Add IRQENTRY_EXIT section for MIPS
This patch add a new section for MIPS to record the block of the hardirq
handling for function graph tracer(print_graph_irq) via adding the
__irq_entry annotation to the the entrypoints of the hardirqs(the block
with irq_enter()...irq_exit()).
Thanks goes to Steven & Frederic Weisbecker for their feedbacks.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Nicholas Mc Guire <der.herr@hofr.at>
Cc: zhangfx@lemote.com
Cc: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/676/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/irq.h | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index 09b08d05ff72..06960364c96b 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -113,36 +113,11 @@ do { \ #endif -/* - * do_IRQ handles all normal device IRQ's (the special - * SMP cross-CPU interrupts have their own specific - * handlers). - * - * Ideally there should be away to get this into kernel/irq/handle.c to - * avoid the overhead of a call for just a tiny function ... - */ -#define do_IRQ(irq) \ -do { \ - irq_enter(); \ - __DO_IRQ_SMTC_HOOK(irq); \ - generic_handle_irq(irq); \ - irq_exit(); \ -} while (0) +extern void do_IRQ(unsigned int irq); #ifdef CONFIG_MIPS_MT_SMTC_IRQAFF -/* - * To avoid inefficient and in some cases pathological re-checking of - * IRQ affinity, we have this variant that skips the affinity check. - */ - -#define do_IRQ_no_affinity(irq) \ -do { \ - irq_enter(); \ - __NO_AFFINITY_IRQ_SMTC_HOOK(irq); \ - generic_handle_irq(irq); \ - irq_exit(); \ -} while (0) +extern void do_IRQ_no_affinity(unsigned int irq); #endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */ |