diff mbox series

[v3,2/2] KVM: x86: Use user_exit_on_hypercall() instead of opencode

Message ID 20240826022255.361406-3-binbin.wu@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series KVM: x86: Check hypercall's exit to userspace generically | expand

Commit Message

Binbin Wu Aug. 26, 2024, 2:22 a.m. UTC 
Use user_exit_on_hypercall() instead of opencode.

No functional change intended.

Signed-off-by: Binbin Wu <binbin.wu@linux.intel.com>
Reviewed-by: Isaku Yamahata <isaku.yamahata@intel.com>
Reviewed-by: Kai Huang <kai.huang@intel.com>
---
 arch/x86/kvm/svm/sev.c | 4 ++--
 arch/x86/kvm/x86.c     | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

Comments

Xiaoyao Li Oct. 9, 2024, 6:49 a.m. UTC | #1 
On 8/26/2024 10:22 AM, Binbin Wu wrote:
> Use user_exit_on_hypercall() instead of opencode.
> 
> No functional change intended.
> 
> Signed-off-by: Binbin Wu <binbin.wu@linux.intel.com>
> Reviewed-by: Isaku Yamahata <isaku.yamahata@intel.com>
> Reviewed-by: Kai Huang <kai.huang@intel.com>

Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>

> ---
>   arch/x86/kvm/svm/sev.c | 4 ++--
>   arch/x86/kvm/x86.c     | 2 +-
>   2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
> index 714c517dd4b7..9b3d55474922 100644
> --- a/arch/x86/kvm/svm/sev.c
> +++ b/arch/x86/kvm/svm/sev.c
> @@ -3637,7 +3637,7 @@ static int snp_begin_psc_msr(struct vcpu_svm *svm, u64 ghcb_msr)
>   		return 1; /* resume guest */
>   	}
>   
> -	if (!(vcpu->kvm->arch.hypercall_exit_enabled & (1 << KVM_HC_MAP_GPA_RANGE))) {
> +	if (!user_exit_on_hypercall(vcpu->kvm, KVM_HC_MAP_GPA_RANGE)) {
>   		set_ghcb_msr(svm, GHCB_MSR_PSC_RESP_ERROR);
>   		return 1; /* resume guest */
>   	}
> @@ -3720,7 +3720,7 @@ static int snp_begin_psc(struct vcpu_svm *svm, struct psc_buffer *psc)
>   	bool huge;
>   	u64 gfn;
>   
> -	if (!(vcpu->kvm->arch.hypercall_exit_enabled & (1 << KVM_HC_MAP_GPA_RANGE))) {
> +	if (!user_exit_on_hypercall(vcpu->kvm, KVM_HC_MAP_GPA_RANGE)) {
>   		snp_complete_psc(svm, VMGEXIT_PSC_ERROR_GENERIC);
>   		return 1;
>   	}
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index e521f14ad2b2..c41ba387cc8c 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -10165,7 +10165,7 @@ unsigned long __kvm_emulate_hypercall(struct kvm_vcpu *vcpu, unsigned long nr,
>   		u64 gpa = a0, npages = a1, attrs = a2;
>   
>   		ret = -KVM_ENOSYS;
> -		if (!(vcpu->kvm->arch.hypercall_exit_enabled & (1 << KVM_HC_MAP_GPA_RANGE)))
> +		if (!user_exit_on_hypercall(vcpu->kvm, KVM_HC_MAP_GPA_RANGE))
>   			break;
>   
>   		if (!PAGE_ALIGNED(gpa) || !npages ||
diff mbox series

Patch

diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 714c517dd4b7..9b3d55474922 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -3637,7 +3637,7 @@  static int snp_begin_psc_msr(struct vcpu_svm *svm, u64 ghcb_msr)
 		return 1; /* resume guest */
 	}
 
-	if (!(vcpu->kvm->arch.hypercall_exit_enabled & (1 << KVM_HC_MAP_GPA_RANGE))) {
+	if (!user_exit_on_hypercall(vcpu->kvm, KVM_HC_MAP_GPA_RANGE)) {
 		set_ghcb_msr(svm, GHCB_MSR_PSC_RESP_ERROR);
 		return 1; /* resume guest */
 	}
@@ -3720,7 +3720,7 @@  static int snp_begin_psc(struct vcpu_svm *svm, struct psc_buffer *psc)
 	bool huge;
 	u64 gfn;
 
-	if (!(vcpu->kvm->arch.hypercall_exit_enabled & (1 << KVM_HC_MAP_GPA_RANGE))) {
+	if (!user_exit_on_hypercall(vcpu->kvm, KVM_HC_MAP_GPA_RANGE)) {
 		snp_complete_psc(svm, VMGEXIT_PSC_ERROR_GENERIC);
 		return 1;
 	}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index e521f14ad2b2..c41ba387cc8c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -10165,7 +10165,7 @@  unsigned long __kvm_emulate_hypercall(struct kvm_vcpu *vcpu, unsigned long nr,
 		u64 gpa = a0, npages = a1, attrs = a2;
 
 		ret = -KVM_ENOSYS;
-		if (!(vcpu->kvm->arch.hypercall_exit_enabled & (1 << KVM_HC_MAP_GPA_RANGE)))
+		if (!user_exit_on_hypercall(vcpu->kvm, KVM_HC_MAP_GPA_RANGE))
 			break;
 
 		if (!PAGE_ALIGNED(gpa) || !npages ||