From 334c86c494b9a5754d4c0ffa3110b18c9771013b Mon Sep 17 00:00:00 2001 From: "From: jiang.adam@gmail.com" Date: Fri, 27 Aug 2010 18:32:06 +0900 Subject: MIPS: IRQ: Add stackoverflow detection Add stackoverflow detection to mips arch Signed-off-by: Adam Jiang 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 --- arch/mips/Kconfig.debug | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'arch/mips/Kconfig.debug') diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index 43dc27997730..f437cd1fafb8 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -67,6 +67,15 @@ config CMDLINE_OVERRIDE Normally, you will choose 'N' here. +config DEBUG_STACKOVERFLOW + bool "Check for stack overflows" + depends on DEBUG_KERNEL + help + This option will cause messages to be printed if free stack space + drops below a certain limit(2GB on MIPS). The debugging option + provides another way to check stack overflow happened on kernel mode + stack usually caused by nested interruption. + config DEBUG_STACK_USAGE bool "Enable stack utilization instrumentation" depends on DEBUG_KERNEL -- cgit v1.2.3