[IA64] fix stack unwinder.
authorIsaku Yamahata <yamahata@valinux.co.jp>
Mon, 25 Aug 2008 10:04:37 +0000 (19:04 +0900)
committerIsaku Yamahata <yamahata@valinux.co.jp>
Mon, 25 Aug 2008 10:04:37 +0000 (19:04 +0900)
commit955772fac14ffea19eefbd94a4784b12147f8f66
treec15888d5fd5a5d73e704ebf5645ac8a84744fe4a
parenta8315a08c577dec8ecb7d6cebb2799b4faecde79
[IA64] fix stack unwinder.

The stack unwinder can be called in interrupt context. On the other
hand xmalloc() can't be called in interrupt context.
Don't call xmalloc() if in the interrupt context.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
xen/arch/ia64/linux-xen/unwind.c