diff options
Diffstat (limited to 'arch/ia64/kernel/smpboot.c')
| -rw-r--r-- | arch/ia64/kernel/smpboot.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 3c9d8e6089cf..308772f7cddc 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 @@ -395,9 +396,13 @@ smp_callin (void) fix_b0_for_bsp(); lock_ipi_calllock(); + spin_lock(&vector_lock); + /* Setup the per cpu irq handling data structures */ + __setup_vector_irq(cpuid); cpu_set(cpuid, cpu_online_map); unlock_ipi_calllock(); per_cpu(cpu_state, cpuid) = CPU_ONLINE; + spin_unlock(&vector_lock); smp_setup_percpu_timer(); @@ -483,7 +488,7 @@ struct create_idle { int cpu; }; -void +void __cpuinit do_fork_idle(struct work_struct *work) { struct create_idle *c_idle = @@ -493,7 +498,7 @@ do_fork_idle(struct work_struct *work) complete(&c_idle->done); } -static int __devinit +static int __cpuinit do_boot_cpu (int sapicid, int cpu) { int timeout; @@ -726,6 +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)) { @@ -804,7 +814,7 @@ set_cpu_sibling_map(int cpu) } } -int __devinit +int __cpuinit __cpu_up (unsigned int cpu) { int ret; |