From 8f99a162653531ef25a3dd0f92bfb6332cd2b295 Mon Sep 17 00:00:00 2001 From: Wu Zhangjin Date: Fri, 20 Nov 2009 20:34:33 +0800 Subject: 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 Cc: Steven Rostedt Cc: Nicholas Mc Guire Cc: zhangfx@lemote.com Cc: Wu Zhangjin Cc: Ingo Molnar Cc: Thomas Gleixner Cc: Frederic Weisbecker Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Reviewed-by: Frederic Weisbecker Patchwork: http://patchwork.linux-mips.org/patch/676/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/vmlinux.lds.S | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/mips/kernel/vmlinux.lds.S') diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index 162b29954ba..f25df73db92 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -46,6 +46,7 @@ SECTIONS SCHED_TEXT LOCK_TEXT KPROBES_TEXT + IRQENTRY_TEXT *(.text.*) *(.fixup) *(.gnu.warning) -- cgit v1.2.3