linux-kernel - [PATCH 15/15] KVM: VMX: Rename vmx_uret

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200622224249.29562-16-sean.j.christopherson@intel.com>
Date:   Mon, 22 Jun 2020 15:42:49 -0700
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Sean Christopherson <sean.j.christopherson@...el.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 15/15] KVM: VMX: Rename vmx_uret_msr's "index" to "slot"

Rename "index" to "slot" in struct vmx_uret_msr to align with the
terminology used by common x86's kvm_user_return_msrs, and to avoid
conflating "MSR's ECX index" with "MSR's index into an array".

No functional change intended.

Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
---
 arch/x86/kvm/vmx/vmx.c | 8 ++++----
 arch/x86/kvm/vmx/vmx.h | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index e958c911dcf8..b335296ca02d 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -630,7 +630,7 @@ static inline int __vmx_find_uret_msr(struct vcpu_vmx *vmx, u32 msr)
 	int i;
 
 	for (i = 0; i < vmx->nr_uret_msrs; ++i)
-		if (vmx_uret_msrs_list[vmx->guest_uret_msrs[i].index] == msr)
+		if (vmx_uret_msrs_list[vmx->guest_uret_msrs[i].slot] == msr)
 			return i;
 	return -1;
 }
@@ -654,7 +654,7 @@ static int vmx_set_guest_uret_msr(struct vcpu_vmx *vmx,
 	msr->data = data;
 	if (msr - vmx->guest_uret_msrs < vmx->nr_active_uret_msrs) {
 		preempt_disable();
-		ret = kvm_set_user_return_msr(msr->index, msr->data, msr->mask);
+		ret = kvm_set_user_return_msr(msr->slot, msr->data, msr->mask);
 		preempt_enable();
 		if (ret)
 			msr->data = old_msr_data;
@@ -1151,7 +1151,7 @@ void vmx_prepare_switch_to_guest(struct kvm_vcpu *vcpu)
 	if (!vmx->guest_uret_msrs_loaded) {
 		vmx->guest_uret_msrs_loaded = true;
 		for (i = 0; i < vmx->nr_active_uret_msrs; ++i)
-			kvm_set_user_return_msr(vmx->guest_uret_msrs[i].index,
+			kvm_set_user_return_msr(vmx->guest_uret_msrs[i].slot,
 						vmx->guest_uret_msrs[i].data,
 						vmx->guest_uret_msrs[i].mask);
 
@@ -6900,7 +6900,7 @@ static int vmx_create_vcpu(struct kvm_vcpu *vcpu)
 		if (wrmsr_safe(index, data_low, data_high) < 0)
 			continue;
 
-		vmx->guest_uret_msrs[j].index = i;
+		vmx->guest_uret_msrs[j].slot = i;
 		vmx->guest_uret_msrs[j].data = 0;
 		switch (index) {
 		case MSR_IA32_TSX_CTRL:
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 338469fcd8cf..57027072e21f 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -34,7 +34,7 @@ struct vmx_msrs {
 };
 
 struct vmx_uret_msr {
-	unsigned index;
+	unsigned int slot; /* The MSR's slot in kvm_user_return_msrs. */
 	u64 data;
 	u64 mask;
 };
-- 
2.26.0