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authorDavid Woodhouse <dwmw2@infradead.org>2007-10-13 13:43:54 (GMT)
committerDavid Woodhouse <dwmw2@infradead.org>2007-10-13 13:43:54 (GMT)
commitb160292cc216a50fd0cd386b0bda2cd48352c73b (patch)
treeef07cf98f91353ee4c9ec1e1ca7a2a5d9d4b538a /arch/ia64/kernel/smpboot.c
parentb37bde147890c8fea8369a5a4e230dabdea4ebfb (diff)
parentbbf25010f1a6b761914430f5fca081ec8c7accd1 (diff)
downloadlinux-fsl-qoriq-b160292cc216a50fd0cd386b0bda2cd48352c73b.tar.xz
Merge Linux 2.6.23
Diffstat (limited to 'arch/ia64/kernel/smpboot.c')
-rw-r--r--arch/ia64/kernel/smpboot.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 62209dc..308772f 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -58,6 +58,7 @@
#include <asm/system.h>
#include <asm/tlbflush.h>
#include <asm/unistd.h>
+#include <asm/sn/arch.h>
#define SMP_DEBUG 0
@@ -730,6 +731,11 @@ int __cpu_disable(void)
return (-EBUSY);
}
+ if (ia64_platform_is("sn2")) {
+ if (!sn_cpu_disable_allowed(cpu))
+ return -EBUSY;
+ }
+
cpu_clear(cpu, cpu_online_map);
if (migrate_platform_irqs(cpu)) {