[PATCH] x86_64: Switch to the interrupt stack when running a softirq in local_bh_enable()
authorAndi Kleen <ak@suse.de>
Fri, 29 Jul 2005 04:15:49 +0000 (21:15 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Fri, 29 Jul 2005 04:46:02 +0000 (21:46 -0700)
commited6b676ca8b50e0b538e61c283d52fd04f007abf
tree753ea613ce334c41f835f6aac21074b137d24713
parent3829ee6b1be03d5aa3005fe7d19f30088b539836
[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>
arch/x86_64/kernel/entry.S
arch/x86_64/kernel/irq.c
include/asm-x86_64/irq.h
kernel/softirq.c