From 15e1c3d65975524c5c792fcd59f7d89f00402261 Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Fri, 2 Aug 2024 13:16:30 -0700 Subject: [PATCH] KVM: x86: Use this_cpu_ptr() instead of per_cpu_ptr(smp_processor_id()) Use this_cpu_ptr() instead of open coding the equivalent in various user return MSR helpers. Signed-off-by: Isaku Yamahata Reviewed-by: Chao Gao Reviewed-by: Yuan Yao [sean: massage changelog] Signed-off-by: Sean Christopherson Reviewed-by: Pankaj Gupta Message-ID: <20240802201630.339306-1-seanjc@google.com> Signed-off-by: Paolo Bonzini --- 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 ef3d3511e4af..70219e406987 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -427,8 +427,7 @@ static void kvm_user_return_msr_cpu_online(void) 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); int err; value = (value & mask) | (msrs->values[slot].host & ~mask); @@ -450,8 +449,7 @@ 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);