From: Scott Wood Date: Thu, 18 Aug 2011 20:25:16 +0000 (-0500) Subject: KVM: PPC: e500: Eliminate preempt_disable in local_sid_destroy_all X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=90b92a6f51af9adf8c44e8ab3f435b336e5ba6ff;p=openwrt%2Fstaging%2Fblogic.git KVM: PPC: e500: Eliminate preempt_disable in local_sid_destroy_all The only place it makes sense to call this function already needs to have preemption disabled. Signed-off-by: Scott Wood Signed-off-by: Alexander Graf Signed-off-by: Avi Kivity --- diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c index 22624a7ae821..b976d8025e58 100644 --- a/arch/powerpc/kvm/e500_tlb.c +++ b/arch/powerpc/kvm/e500_tlb.c @@ -116,13 +116,11 @@ static inline int local_sid_lookup(struct id *entry) return -1; } -/* Invalidate all id mappings on local core */ +/* Invalidate all id mappings on local core -- call with preempt disabled */ static inline void local_sid_destroy_all(void) { - preempt_disable(); __get_cpu_var(pcpu_last_used_sid) = 0; memset(&__get_cpu_var(pcpu_sids), 0, sizeof(__get_cpu_var(pcpu_sids))); - preempt_enable(); } static void *kvmppc_e500_id_table_alloc(struct kvmppc_vcpu_e500 *vcpu_e500)