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Diffstat (limited to 'arch/arm64/kvm/arm.c')
-rw-r--r--arch/arm64/kvm/arm.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 986cee6fbc7f..94d33e296e10 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -666,7 +666,6 @@ void kvm_vcpu_wfi(struct kvm_vcpu *vcpu)
kvm_vcpu_halt(vcpu);
vcpu_clear_flag(vcpu, IN_WFIT);
- kvm_clear_request(KVM_REQ_UNHALT, vcpu);
preempt_disable();
vgic_v4_load(vcpu);
@@ -757,8 +756,7 @@ static bool vcpu_mode_is_bad_32bit(struct kvm_vcpu *vcpu)
if (likely(!vcpu_mode_is_32bit(vcpu)))
return false;
- return !system_supports_32bit_el0() ||
- static_branch_unlikely(&arm64_mismatched_32bit_el0);
+ return !kvm_supports_32bit_el0();
}
/**
@@ -2115,7 +2113,7 @@ static int finalize_hyp_mode(void)
* at, which would end badly once inaccessible.
*/
kmemleak_free_part(__hyp_bss_start, __hyp_bss_end - __hyp_bss_start);
- kmemleak_free_part(__va(hyp_mem_base), hyp_mem_size);
+ kmemleak_free_part_phys(hyp_mem_base, hyp_mem_size);
return pkvm_drop_host_privileges();
}
@@ -2271,6 +2269,16 @@ static int __init early_kvm_mode_cfg(char *arg)
if (!arg)
return -EINVAL;
+ if (strcmp(arg, "none") == 0) {
+ kvm_mode = KVM_MODE_NONE;
+ return 0;
+ }
+
+ if (!is_hyp_mode_available()) {
+ pr_warn_once("KVM is not available. Ignoring kvm-arm.mode\n");
+ return 0;
+ }
+
if (strcmp(arg, "protected") == 0) {
if (!is_kernel_in_hyp_mode())
kvm_mode = KVM_MODE_PROTECTED;
@@ -2285,11 +2293,6 @@ static int __init early_kvm_mode_cfg(char *arg)
return 0;
}
- if (strcmp(arg, "none") == 0) {
- kvm_mode = KVM_MODE_NONE;
- return 0;
- }
-
return -EINVAL;
}
early_param("kvm-arm.mode", early_kvm_mode_cfg);