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[Xen-changelog] [xen-unstable] [XEN] Fix kexec crash.
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| Subject: | [Xen-changelog] [xen-unstable] [XEN] Fix kexec crash. |
| From: | Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx> |
| Date: | Wed, 13 Dec 2006 17:34:04 +0000 |
| Delivery-date: | Wed, 13 Dec 2006 09:34:04 -0800 |
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# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Node ID 2fa06640a1c116c36936d22ae0c7b121680e6c3b
# Parent 05e1863cc2a3ca4c4a1a68a529435e4c3ad127b9
[XEN] Fix kexec crash.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
xen/arch/x86/crash.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -r 05e1863cc2a3 -r 2fa06640a1c1 xen/arch/x86/crash.c
--- a/xen/arch/x86/crash.c Tue Dec 12 19:37:21 2006 +0000
+++ b/xen/arch/x86/crash.c Wed Dec 13 09:46:48 2006 +0000
@@ -58,9 +58,9 @@ static void smp_send_nmi_allbutself(void
static void smp_send_nmi_allbutself(void)
{
cpumask_t allbutself = cpu_online_map;
-
cpu_clear(smp_processor_id(), allbutself);
- send_IPI_mask(allbutself, APIC_DM_NMI);
+ if ( !cpus_empty(allbutself) )
+ send_IPI_mask(allbutself, APIC_DM_NMI);
}
static void nmi_shootdown_cpus(void)
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