From patchwork Wed Jan 4 01:10:00 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [02/50] KVM: PPC: e500: Eliminate preempt_disable in local_sid_destroy_all From: Alexander Graf X-Patchwork-Id: 134126 Message-Id: <1325639448-9494-3-git-send-email-agraf@suse.de> To: kvm-ppc@vger.kernel.org Cc: kvm list , Avi Kivity , Marcelo Tosatti , Scott Wood Date: Wed, 4 Jan 2012 02:10:00 +0100 From: Scott Wood 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 --- arch/powerpc/kvm/e500_tlb.c | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c index 22624a7..b976d80 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)