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authorFrom: jiang.adam@gmail.com <From: jiang.adam@gmail.com>2010-08-27 18:32:06 +0900
committerRalf Baechle <ralf@linux-mips.org>2010-10-29 19:08:27 +0100
commit334c86c494b9a5754d4c0ffa3110b18c9771013b (patch)
treeab0ceed9ff00fd7a0b7bbd194b537f8d1a271aef /arch/mips/include
parentb78807158be93c4756f88b5fc0790863f2690fdc (diff)
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MIPS: IRQ: Add stackoverflow detection
Add stackoverflow detection to mips arch Signed-off-by: Adam Jiang <jiang.adam@gmail.com> Cc: dmitri.vorobiev@movial.com Cc: wuzhangjin@gmail.com Cc: ddaney@caviumnetworks.com Cc: peterz@infradead.org Cc: fweisbec@gmail.com Cc: tj@kernel.org Cc: tglx@linutronix.de Cc: mingo@elte.hu Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1559/ Patchwork: https://patchwork.linux-mips.org/patch/1651/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/thread_info.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 70df9c0d3c5b..d309556cacf8 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -83,6 +83,8 @@ register struct thread_info *__current_thread_info __asm__("$28");
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
#define THREAD_MASK (THREAD_SIZE - 1UL)
+#define STACK_WARN (THREAD_SIZE / 8)
+
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
#ifdef CONFIG_DEBUG_STACK_USAGE