From: Milton Miller Date: Fri, 14 Dec 2007 04:52:10 +0000 (+1100) Subject: [POWERPC] Use __get_cpu_var in time.c X-Git-Tag: Ubuntu-5.13.0-19.19~45489^2~263 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=8b5621f183f7e56958b0a0aae689af5af2efeda7;p=mirror_ubuntu-jammy-kernel.git [POWERPC] Use __get_cpu_var in time.c Use __get_cpu_var(x) instead of per_cpu(x, smp_processor_id()), as it is optimized on ppc64 to access the current cpu's per-cpu offset directly; it's local_paca.offset instead of TOC->paca[local_paca->processor_id].offset. This is the trivial portion, two functions with one use each. Signed-off-by: Milton Miller Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index cc82fd675f91..888c65726ebd 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -327,7 +327,7 @@ void calculate_steal_time(void) if (!cpu_has_feature(CPU_FTR_PURR)) return; - pme = &per_cpu(cpu_purr_data, smp_processor_id()); + pme = &__get_cpu_var(cpu_purr_data); if (!pme->initialized) return; /* this can happen in early boot */ tb = mftb(); @@ -352,7 +352,7 @@ static void snapshot_purr(void) if (!cpu_has_feature(CPU_FTR_PURR)) return; local_irq_save(flags); - pme = &per_cpu(cpu_purr_data, smp_processor_id()); + pme = &__get_cpu_var(cpu_purr_data); pme->tb = mftb(); pme->purr = mfspr(SPRN_PURR); pme->initialized = 1;