From: Alexey Kardashevskiy <aik@amd.com>
To: <kvm@vger.kernel.org>
Cc: <x86@kernel.org>, <linux-kernel@vger.kernel.org>,
Tom Lendacky <thomas.lendacky@amd.com>,
Sean Christopherson <seanjc@google.com>,
"Pankaj Gupta" <pankaj.gupta@amd.com>,
Nikunj A Dadhania <nikunj@amd.com>,
"Santosh Shukla" <santosh.shukla@amd.com>,
Carlos Bilbao <carlos.bilbao@amd.com>,
Alexey Kardashevskiy <aik@amd.com>
Subject: [PATCH kernel v5 1/6] KVM: SEV: move set_dr_intercepts/clr_dr_intercepts from the header
Date: Tue, 11 Apr 2023 22:57:13 +1000 [thread overview]
Message-ID: <20230411125718.2297768-2-aik@amd.com> (raw)
In-Reply-To: <20230411125718.2297768-1-aik@amd.com>
Static functions set_dr_intercepts() and clr_dr_intercepts() are only
called from SVM so move them to .c.
No functional change intended.
Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
Reviewed-by: Carlos Bilbao <carlos.bilbao@amd.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Reviewed-by: Santosh Shukla <santosh.shukla@amd.com>
---
Changes:
v5:
* new in the series
---
arch/x86/kvm/svm/svm.h | 42 --------------------
arch/x86/kvm/svm/svm.c | 42 ++++++++++++++++++++
2 files changed, 42 insertions(+), 42 deletions(-)
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 839809972da1..4deec59be71b 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -403,48 +403,6 @@ static inline bool vmcb12_is_intercept(struct vmcb_ctrl_area_cached *control, u3
return test_bit(bit, (unsigned long *)&control->intercepts);
}
-static inline void set_dr_intercepts(struct vcpu_svm *svm)
-{
- struct vmcb *vmcb = svm->vmcb01.ptr;
-
- if (!sev_es_guest(svm->vcpu.kvm)) {
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_READ);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_READ);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_READ);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_READ);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_READ);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_READ);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_READ);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_WRITE);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_WRITE);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_WRITE);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_WRITE);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_WRITE);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_WRITE);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_WRITE);
- }
-
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
-
- recalc_intercepts(svm);
-}
-
-static inline void clr_dr_intercepts(struct vcpu_svm *svm)
-{
- struct vmcb *vmcb = svm->vmcb01.ptr;
-
- vmcb->control.intercepts[INTERCEPT_DR] = 0;
-
- /* DR7 access must remain intercepted for an SEV-ES guest */
- if (sev_es_guest(svm->vcpu.kvm)) {
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
- vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
- }
-
- recalc_intercepts(svm);
-}
-
static inline void set_exception_intercept(struct vcpu_svm *svm, u32 bit)
{
struct vmcb *vmcb = svm->vmcb01.ptr;
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index a1b08359769b..1e1c1eb13392 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -687,6 +687,48 @@ static int svm_cpu_init(int cpu)
}
+static void set_dr_intercepts(struct vcpu_svm *svm)
+{
+ struct vmcb *vmcb = svm->vmcb01.ptr;
+
+ if (!sev_es_guest(svm->vcpu.kvm)) {
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_READ);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_READ);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_READ);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_READ);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_READ);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_READ);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_READ);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR0_WRITE);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR1_WRITE);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR2_WRITE);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR3_WRITE);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR4_WRITE);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR5_WRITE);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR6_WRITE);
+ }
+
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
+
+ recalc_intercepts(svm);
+}
+
+static void clr_dr_intercepts(struct vcpu_svm *svm)
+{
+ struct vmcb *vmcb = svm->vmcb01.ptr;
+
+ vmcb->control.intercepts[INTERCEPT_DR] = 0;
+
+ /* DR7 access must remain intercepted for an SEV-ES guest */
+ if (sev_es_guest(svm->vcpu.kvm)) {
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_READ);
+ vmcb_set_intercept(&vmcb->control, INTERCEPT_DR7_WRITE);
+ }
+
+ recalc_intercepts(svm);
+}
+
static int direct_access_msr_slot(u32 msr)
{
u32 i;
--
2.39.1
next prev parent reply other threads:[~2023-04-11 12:58 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-11 12:57 [PATCH kernel v5 0/6] KVM: SEV: Enable AMD SEV-ES DebugSwap Alexey Kardashevskiy
2023-04-11 12:57 ` Alexey Kardashevskiy [this message]
2023-04-11 12:57 ` [PATCH kernel v5 2/6] KVM: SEV: Move SEV's GP_VECTOR intercept setup to SEV Alexey Kardashevskiy
2023-04-11 12:57 ` [PATCH kernel v5 3/6] KVM: SEV-ES: explicitly disable debug Alexey Kardashevskiy
2023-05-22 22:50 ` Sean Christopherson
2023-04-11 12:57 ` [PATCH kernel v5 4/6] KVM: SVM/SEV/SEV-ES: Rework intercepts Alexey Kardashevskiy
2023-05-22 22:53 ` Sean Christopherson
2023-04-11 12:57 ` [PATCH kernel v5 5/6] KVM: SEV: Enable data breakpoints in SEV-ES Alexey Kardashevskiy
2023-05-09 10:58 ` Gupta, Pankaj
2023-05-10 9:35 ` Gupta, Pankaj
2023-05-22 23:39 ` Sean Christopherson
2023-05-23 11:33 ` Alexey Kardashevskiy
2023-05-23 15:44 ` Sean Christopherson
2023-05-26 3:16 ` Alexey Kardashevskiy
2023-05-26 14:39 ` Sean Christopherson
2023-05-30 8:57 ` Alexey Kardashevskiy
2023-06-01 23:31 ` Alexey Kardashevskiy
2023-06-13 23:19 ` Sean Christopherson
2023-06-14 3:58 ` Alexey Kardashevskiy
2023-06-14 21:27 ` Sean Christopherson
2023-04-11 12:57 ` [PATCH kernel v5 6/6] x86/sev: Do not handle #VC for DR7 read/write Alexey Kardashevskiy
2023-05-22 23:44 ` Sean Christopherson
2023-05-24 6:36 ` Alexey Kardashevskiy
2023-04-20 1:49 ` [PATCH kernel v5 0/6] KVM: SEV: Enable AMD SEV-ES DebugSwap Alexey Kardashevskiy
2023-04-20 14:32 ` Sean Christopherson
2023-05-19 0:19 ` Alexey Kardashevskiy
2023-05-19 15:28 ` Sean Christopherson
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