From: Alexander Graf <agraf@suse.de> To: kvm-ppc@vger.kernel.org Cc: kvm list <kvm@vger.kernel.org>, Marcelo Tosatti <mtosatti@redhat.com>, Scott Wood <scottwood@freescale.com> Subject: [PATCH 02/14] KVM: PPC: e500: Eliminate preempt_disable in local_sid_destroy_all Date: Mon, 31 Oct 2011 08:53:04 +0100 [thread overview] Message-ID: <1320047596-20577-3-git-send-email-agraf@suse.de> (raw) In-Reply-To: <1320047596-20577-1-git-send-email-agraf@suse.de> From: Scott Wood <scottwood@freescale.com> The only place it makes sense to call this function already needs to have preemption disabled. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de> --- 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) -- 1.6.0.2
WARNING: multiple messages have this Message-ID (diff)
From: Alexander Graf <agraf@suse.de> To: kvm-ppc@vger.kernel.org Cc: kvm list <kvm@vger.kernel.org>, Marcelo Tosatti <mtosatti@redhat.com>, Scott Wood <scottwood@freescale.com> Subject: [PATCH 02/14] KVM: PPC: e500: Eliminate preempt_disable in local_sid_destroy_all Date: Mon, 31 Oct 2011 07:53:04 +0000 [thread overview] Message-ID: <1320047596-20577-3-git-send-email-agraf@suse.de> (raw) In-Reply-To: <1320047596-20577-1-git-send-email-agraf@suse.de> From: Scott Wood <scottwood@freescale.com> The only place it makes sense to call this function already needs to have preemption disabled. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de> --- 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) -- 1.6.0.2
next prev parent reply other threads:[~2011-10-31 7:44 UTC|newest] Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-10-31 7:53 [PULL 00/14] ppc patch queue 2011-10-31 Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 7:53 ` [PATCH 01/14] KVM: PPC: e500: don't translate gfn to pfn with preemption disabled Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 12:50 ` Avi Kivity 2011-10-31 12:50 ` [PATCH 01/14] KVM: PPC: e500: don't translate gfn to pfn with Avi Kivity 2011-10-31 18:52 ` [PATCH 01/14] KVM: PPC: e500: don't translate gfn to pfn with preemption disabled Scott Wood 2011-10-31 18:52 ` [PATCH 01/14] KVM: PPC: e500: don't translate gfn to pfn with Scott Wood 2011-11-01 9:00 ` [PATCH 01/14] KVM: PPC: e500: don't translate gfn to pfn with preemption disabled Avi Kivity 2011-11-01 9:00 ` [PATCH 01/14] KVM: PPC: e500: don't translate gfn to pfn with Avi Kivity 2011-10-31 7:53 ` Alexander Graf [this message] 2011-10-31 7:53 ` [PATCH 02/14] KVM: PPC: e500: Eliminate preempt_disable in local_sid_destroy_all Alexander Graf 2011-10-31 7:53 ` [PATCH 03/14] KVM: PPC: e500: clear up confusion between host and guest entries Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 7:53 ` [PATCH 04/14] KVM: PPC: e500: MMU API Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 13:24 ` Avi Kivity 2011-10-31 13:24 ` Avi Kivity 2011-10-31 20:12 ` Scott Wood 2011-10-31 20:12 ` Scott Wood 2011-11-01 8:58 ` Avi Kivity 2011-11-01 8:58 ` Avi Kivity 2011-11-01 9:55 ` Avi Kivity 2011-11-01 9:55 ` Avi Kivity 2011-11-01 16:16 ` Scott Wood 2011-11-01 16:16 ` Scott Wood 2011-11-02 10:33 ` Avi Kivity 2011-11-02 10:33 ` Avi Kivity 2011-11-10 14:20 ` Alexander Graf 2011-11-10 14:20 ` Alexander Graf 2011-11-10 14:16 ` Avi Kivity 2011-11-10 14:16 ` Avi Kivity 2011-10-31 7:53 ` [PATCH 05/14] KVM: PPC: e500: tlbsx: fix tlb0 esel Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 7:53 ` [PATCH 06/14] KVM: PPC: e500: Don't hardcode PIR=0 Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 13:27 ` Avi Kivity 2011-10-31 13:27 ` Avi Kivity 2011-10-31 7:53 ` [PATCH 07/14] KVM: PPC: Fix build failure with HV KVM and CBE Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 7:53 ` [PATCH 08/14] Revert "KVM: PPC: Add support for explicit HIOR setting" Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 13:30 ` Avi Kivity 2011-10-31 13:30 ` [PATCH 08/14] Revert "KVM: PPC: Add support for explicit HIOR Avi Kivity 2011-10-31 23:49 ` [PATCH 08/14] Revert "KVM: PPC: Add support for explicit HIOR setting" Alexander Graf 2011-10-31 23:49 ` Alexander Graf 2011-10-31 7:53 ` [PATCH 09/14] KVM: PPC: Add generic single register ioctls Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 13:36 ` Avi Kivity 2011-10-31 13:36 ` Avi Kivity 2011-10-31 17:26 ` Jan Kiszka 2011-10-31 17:26 ` Jan Kiszka 2011-11-10 14:22 ` Alexander Graf 2011-11-10 14:22 ` Alexander Graf 2011-11-10 16:05 ` Marcelo Tosatti 2011-11-10 16:05 ` Marcelo Tosatti 2011-11-10 16:49 ` Alexander Graf 2011-11-10 16:49 ` Alexander Graf 2011-11-10 17:35 ` Marcelo Tosatti 2011-11-10 17:35 ` Marcelo Tosatti 2011-11-15 23:45 ` Alexander Graf 2011-11-15 23:45 ` Alexander Graf 2011-11-23 12:47 ` Marcelo Tosatti 2011-11-23 12:47 ` Marcelo Tosatti 2011-12-19 12:58 ` Alexander Graf 2011-12-19 12:58 ` Alexander Graf 2011-12-19 17:29 ` Marcelo Tosatti 2011-12-19 17:29 ` Marcelo Tosatti 2011-10-31 7:53 ` [PATCH 10/14] KVM: PPC: Add support for explicit HIOR setting Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 7:53 ` [PATCH 11/14] KVM: PPC: Whitespace fix for kvm.h Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 7:53 ` [PATCH 12/14] KVM: Fix whitespace in kvm_para.h Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 7:53 ` [PATCH 13/14] KVM: PPC: E500: Support hugetlbfs Alexander Graf 2011-10-31 7:53 ` Alexander Graf 2011-10-31 13:38 ` Avi Kivity 2011-10-31 13:38 ` Avi Kivity 2011-11-10 14:24 ` Alexander Graf 2011-11-10 14:24 ` Alexander Graf 2011-10-31 7:53 ` [PATCH 14/14] PPC: Fix race in mtmsr paravirt implementation Alexander Graf 2011-10-31 7:53 ` Alexander Graf
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