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From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org, kvm@vger.kernel.org
Cc: xin@zytor.com, Juergen Gross <jgross@suse.com>,
	Sean Christopherson <seanjc@google.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: [PATCH 2/6] x86/kvm: Rename the KVM private read_msr() function
Date: Tue,  6 May 2025 11:20:11 +0200	[thread overview]
Message-ID: <20250506092015.1849-3-jgross@suse.com> (raw)
In-Reply-To: <20250506092015.1849-1-jgross@suse.com>

Avoid a name clash with a new general MSR access helper after a future
MSR infrastructure rework by renaming the KVM specific read_msr() to
kvm_read_msr().

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 arch/x86/include/asm/kvm_host.h | 2 +-
 arch/x86/kvm/vmx/vmx.c          | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 9c971f846108..308f7020dc9d 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -2275,7 +2275,7 @@ static inline void kvm_load_ldt(u16 sel)
 }
 
 #ifdef CONFIG_X86_64
-static inline unsigned long read_msr(unsigned long msr)
+static inline unsigned long kvm_read_msr(unsigned long msr)
 {
 	u64 value;
 
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 63de5f6051e5..5a5f3c57363c 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -1335,8 +1335,8 @@ void vmx_prepare_switch_to_guest(struct kvm_vcpu *vcpu)
 	} else {
 		savesegment(fs, fs_sel);
 		savesegment(gs, gs_sel);
-		fs_base = read_msr(MSR_FS_BASE);
-		vmx->msr_host_kernel_gs_base = read_msr(MSR_KERNEL_GS_BASE);
+		fs_base = kvm_read_msr(MSR_FS_BASE);
+		vmx->msr_host_kernel_gs_base = kvm_read_msr(MSR_KERNEL_GS_BASE);
 	}
 
 	wrmsrq(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base);
-- 
2.43.0


  reply	other threads:[~2025-05-06  9:20 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-06  9:20 [PATCH 0/6] x86/msr: let paravirt inline rdmsr/wrmsr instructions Juergen Gross
2025-05-06  9:20 ` Juergen Gross [this message]
2025-05-06 13:53   ` [PATCH 2/6] x86/kvm: Rename the KVM private read_msr() function Sean Christopherson
2025-05-06 13:58     ` Jürgen Groß
2025-05-06 16:16     ` Ingo Molnar
2025-05-06 16:29       ` H. Peter Anvin
2025-05-06  9:20 ` [PATCH 3/6] x86/msr: minimize usage of native_*() msr access functions Juergen Gross
2025-05-06 14:24   ` Sean Christopherson
2025-05-09 21:49   ` Wei Liu
2025-05-10 16:03 ` [PATCH 0/6] x86/msr: let paravirt inline rdmsr/wrmsr instructions Michael Kelley

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