summaryrefslogtreecommitdiff
path: root/arch/arm64/kvm/hyp/nvhe/mem_protect.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/mem_protect.c')
-rw-r--r--arch/arm64/kvm/hyp/nvhe/mem_protect.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
index 34eeb524b686..c1a90dd022b8 100644
--- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c
+++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
@@ -11,7 +11,7 @@
#include <asm/kvm_pgtable.h>
#include <asm/stage2_pgtable.h>
-#include <hyp/switch.h>
+#include <hyp/fault.h>
#include <nvhe/gfp.h>
#include <nvhe/memory.h>
@@ -25,12 +25,6 @@ struct host_kvm host_kvm;
static struct hyp_pool host_s2_pool;
-/*
- * Copies of the host's CPU features registers holding sanitized values.
- */
-u64 id_aa64mmfr0_el1_sys_val;
-u64 id_aa64mmfr1_el1_sys_val;
-
const u8 pkvm_hyp_id = 1;
static void *host_s2_zalloc_pages_exact(size_t size)
@@ -134,6 +128,9 @@ int __pkvm_prot_finalize(void)
struct kvm_s2_mmu *mmu = &host_kvm.arch.mmu;
struct kvm_nvhe_init_params *params = this_cpu_ptr(&kvm_init_params);
+ if (params->hcr_el2 & HCR_VM)
+ return -EPERM;
+
params->vttbr = kvm_get_vttbr(mmu);
params->vtcr = host_kvm.arch.vtcr;
params->hcr_el2 |= HCR_VM;