Hello.
On 06-10-2010 14:41, Adam Jiang wrote:
Add stackoverflow detection to mips arch
There's no such word: stackoverflow. Space is needed.
This is the 3rd version of the smiple patch. 2K is too big for many
system, so I Modified the warning line by following Ralf's suggestion.
Signed-off-by: Adam Jiang<jiang.adam@xxxxxxxxx>
[...]
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index c6345f5..b43edb7 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -151,6 +151,28 @@ void __init init_IRQ(void)
#endif
}
+#ifdef CONFIG_DEBUG_STACKOVERFLOW
+static inline void check_stack_overflow(void)
+{
+ unsigned long sp;
+
+ asm volatile("move %0, $sp" : "=r" (sp));
+ sp = sp & THREAD_MASK;
Why not:
sp &= THREAD_MASK;
It's C, after all! :-)
WBR, Sergei
