diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/smp.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/smp.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c index 40dae96f7e20..c17f81e433f7 100644 --- a/arch/powerpc/platforms/powernv/smp.c +++ b/arch/powerpc/platforms/powernv/smp.c @@ -57,7 +57,7 @@ static void pnv_smp_setup_cpu(int cpu) static int pnv_smp_kick_cpu(int nr) { - unsigned int pcpu = get_hard_smp_processor_id(nr); + unsigned int pcpu; unsigned long start_here = __pa(ppc_function_entry(generic_secondary_smp_init)); long rc; @@ -66,6 +66,7 @@ static int pnv_smp_kick_cpu(int nr) if (nr < 0 || nr >= nr_cpu_ids) return -EINVAL; + pcpu = get_hard_smp_processor_id(nr); /* * If we already started or OPAL is not supported, we just * kick the CPU via the PACA @@ -164,12 +165,6 @@ static void pnv_smp_cpu_kill_self(void) if (cpu_has_feature(CPU_FTR_ARCH_207S)) wmask = SRR1_WAKEMASK_P8; - /* We don't want to take decrementer interrupts while we are offline, - * so clear LPCR:PECE1. We keep PECE2 (and LPCR_PECE_HVEE on P9) - * enabled as to let IPIs in. - */ - mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) & ~(u64)LPCR_PECE1); - while (!generic_check_cpu_restart(cpu)) { /* * Clear IPI flag, since we don't handle IPIs while @@ -219,8 +214,6 @@ static void pnv_smp_cpu_kill_self(void) } - /* Re-enable decrementer interrupts */ - mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) | LPCR_PECE1); DBG("CPU%d coming online...\n", cpu); } |