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    SubjectRe: [PATCH v2 02/19] KVM: x86: Use this_cpu_ptr() instead of per_cpu_ptr(smp_processor_id())
    On Tue, Aug 30, 2022 at 05:01:17AM -0700, isaku.yamahata@intel.com wrote:
    >From: Isaku Yamahata <isaku.yamahata@intel.com>
    >
    >convert per_cpu_ptr(smp_processor_id()) to this_cpu_ptr() as trivial
    >cleanup.
    >
    >Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>

    Reviewed-by: Chao Gao <chao.gao@intel.com>

    >---
    > arch/x86/kvm/x86.c | 6 ++----
    > 1 file changed, 2 insertions(+), 4 deletions(-)
    >
    >diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
    >index 16104a2f7d8e..7d5fff68befe 100644
    >--- a/arch/x86/kvm/x86.c
    >+++ b/arch/x86/kvm/x86.c
    >@@ -416,8 +416,7 @@ EXPORT_SYMBOL_GPL(kvm_find_user_return_msr);
    >
    > int kvm_set_user_return_msr(unsigned slot, u64 value, u64 mask)
    > {
    >- unsigned int cpu = smp_processor_id();
    >- struct kvm_user_return_msrs *msrs = per_cpu_ptr(user_return_msrs, cpu);
    >+ struct kvm_user_return_msrs *msrs = this_cpu_ptr(user_return_msrs);
    > struct kvm_user_return_msr_values *values = &msrs->values[slot];
    > int err;
    >
    >@@ -449,8 +448,7 @@ EXPORT_SYMBOL_GPL(kvm_set_user_return_msr);
    >
    > static void drop_user_return_notifiers(void)
    > {
    >- unsigned int cpu = smp_processor_id();
    >- struct kvm_user_return_msrs *msrs = per_cpu_ptr(user_return_msrs, cpu);
    >+ struct kvm_user_return_msrs *msrs = this_cpu_ptr(user_return_msrs);
    >
    > if (msrs->registered)
    > kvm_on_user_return(&msrs->urn);
    >--
    >2.25.1
    >

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