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From:   isaku.yamahata@intel.com
To:     linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
        Paolo Bonzini <pbonzini@redhat.com>,
        Sean Christopherson <seanjc@google.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>
Cc:     isaku.yamahata@intel.com, isaku.yamahata@gmail.com,
        Kai Huang <kai.huang@intel.com>, Chao Gao <chao.gao@intel.com>,
        Atish Patra <atishp@atishpatra.org>,
        Shaokun Zhang <zhangshaokun@hisilicon.com>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Huang Ying <ying.huang@intel.com>,
        Huacai Chen <chenhuacai@kernel.org>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Borislav Petkov <bp@alien8.de>, Yuan Yao <yuan.yao@intel.com>
Subject: [PATCH v5 02/30] KVM: x86: Use this_cpu_ptr() instead of per_cpu_ptr(smp_processor_id())
Date:   Thu, 22 Sep 2022 11:20:31 -0700
Message-Id: <851653aeb7230572e5b41cc617e89eeae38be24b.1663869838.git.isaku.yamahata@intel.com>
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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>
Reviewed-by: Yuan Yao <yuan.yao@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 9e1b3af4a074..7fc19533a484 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -428,8 +428,7 @@ static void kvm_user_return_msr_init_cpu(struct kvm_user_return_msrs *msrs)
 
 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;
 
 	kvm_user_return_msr_init_cpu(msrs);
@@ -453,8 +452,7 @@ 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