diff options
Diffstat (limited to 'arch/ia64/kernel/smpboot.c')
| -rw-r--r-- | arch/ia64/kernel/smpboot.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 62209dcf06d..308772f7cdd 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)) { |