aboutsummaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
-rw-r--r--arch/x86/kvm/svm/sev.c6
-rw-r--r--arch/x86/kvm/svm/svm.c2
-rw-r--r--arch/x86/kvm/svm/svm.h15
3 files changed, 17 insertions, 6 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index ac8a3240bb91..4d534788bfa3 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -3380,13 +3380,13 @@ void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector)
}
}
-struct page *snp_safe_alloc_page(void)
+struct page *__snp_safe_alloc_page(gfp_t gfp)
{
unsigned long pfn;
struct page *p;
if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
- return alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO);
+ return alloc_page(gfp | __GFP_ZERO);
/*
* Allocate an SNP-safe page to workaround the SNP erratum where
@@ -3397,7 +3397,7 @@ struct page *snp_safe_alloc_page(void)
* Allocate one extra page, choose a page which is not
* 2MB-aligned, and free the other.
*/
- p = alloc_pages(GFP_KERNEL_ACCOUNT | __GFP_ZERO, 1);
+ p = alloc_pages(gfp | __GFP_ZERO, 1);
if (!p)
return NULL;
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index e6eb225920ef..adbd676708f6 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -703,7 +703,7 @@ static int svm_cpu_init(int cpu)
int ret = -ENOMEM;
memset(sd, 0, sizeof(struct svm_cpu_data));
- sd->save_area = snp_safe_alloc_page();
+ sd->save_area = __snp_safe_alloc_page(GFP_KERNEL);
if (!sd->save_area)
return ret;
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 80fa458e8fae..e0a12582ae78 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -694,7 +694,13 @@ void sev_guest_memory_reclaimed(struct kvm *kvm);
int sev_handle_vmgexit(struct kvm_vcpu *vcpu);
/* These symbols are used in common code and are stubbed below. */
-struct page *snp_safe_alloc_page(void);
+struct page *__snp_safe_alloc_page(gfp_t gfp);
+
+static inline struct page *snp_safe_alloc_page(void)
+{
+ return __snp_safe_alloc_page(GFP_KERNEL_ACCOUNT);
+}
+
void sev_free_vcpu(struct kvm_vcpu *vcpu);
void sev_vm_destroy(struct kvm *kvm);
void __init sev_set_cpu_caps(void);
@@ -704,9 +710,14 @@ int sev_cpu_init(struct svm_cpu_data *sd);
int sev_dev_get_attr(u32 group, u64 attr, u64 *val);
extern unsigned int max_sev_asid;
#else
+static inline struct page *__snp_safe_alloc_page(gfp_t gfp)
+{
+ return alloc_page(gfp | __GFP_ZERO);
+}
+
static inline struct page *snp_safe_alloc_page(void)
{
- return alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO);
+ return __snp_safe_alloc_page(GFP_KERNEL_ACCOUNT);
}
static inline void sev_free_vcpu(struct kvm_vcpu *vcpu) {}