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authorAndi Kleen <ak@suse.de>2005-07-29 04:15:49 (GMT)
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-29 04:46:02 (GMT)
commited6b676ca8b50e0b538e61c283d52fd04f007abf (patch)
tree753ea613ce334c41f835f6aac21074b137d24713 /include
parent3829ee6b1be03d5aa3005fe7d19f30088b539836 (diff)
downloadlinux-fsl-qoriq-ed6b676ca8b50e0b538e61c283d52fd04f007abf.tar.xz
[PATCH] x86_64: Switch to the interrupt stack when running a softirq in local_bh_enable()
This avoids some potential stack overflows with very deep softirq callchains. i386 does this too. TOADD CFI annotation Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-x86_64/irq.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-x86_64/irq.h b/include/asm-x86_64/irq.h
index eb3b7aa..4482657 100644
--- a/include/asm-x86_64/irq.h
+++ b/include/asm-x86_64/irq.h
@@ -57,4 +57,6 @@ int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
extern void fixup_irqs(cpumask_t map);
#endif
+#define __ARCH_HAS_DO_SOFTIRQ 1
+
#endif /* _ASM_IRQ_H */