summaryrefslogtreecommitdiffstats
path: root/arch/arm64/kvm/pkvm.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-02-19 07:51:35 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-02-19 07:51:35 +0100
commit07749061b837a1268146dc8a620a522253cea877 (patch)
tree3708ac3f1a088869daf7e9826bc4b56abfcdac74 /arch/arm64/kvm/pkvm.c
parent5c0941c55e5f681ffb05f395222ac673460bb3d0 (diff)
parentb401b621758e46812da61fa58a67c3fd8d91de0d (diff)
downloadlinux-stable-07749061b837a1268146dc8a620a522253cea877.tar.gz
linux-stable-07749061b837a1268146dc8a620a522253cea877.tar.bz2
linux-stable-07749061b837a1268146dc8a620a522253cea877.zip
Merge 6.8-rc5 into driver-core-next
We need the driver core changes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm64/kvm/pkvm.c')
-rw-r--r--arch/arm64/kvm/pkvm.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/arch/arm64/kvm/pkvm.c b/arch/arm64/kvm/pkvm.c
index 8350fb8fee0b..b7be96a53597 100644
--- a/arch/arm64/kvm/pkvm.c
+++ b/arch/arm64/kvm/pkvm.c
@@ -101,6 +101,17 @@ void __init kvm_hyp_reserve(void)
hyp_mem_base);
}
+static void __pkvm_destroy_hyp_vm(struct kvm *host_kvm)
+{
+ if (host_kvm->arch.pkvm.handle) {
+ WARN_ON(kvm_call_hyp_nvhe(__pkvm_teardown_vm,
+ host_kvm->arch.pkvm.handle));
+ }
+
+ host_kvm->arch.pkvm.handle = 0;
+ free_hyp_memcache(&host_kvm->arch.pkvm.teardown_mc);
+}
+
/*
* Allocates and donates memory for hypervisor VM structs at EL2.
*
@@ -181,7 +192,7 @@ static int __pkvm_create_hyp_vm(struct kvm *host_kvm)
return 0;
destroy_vm:
- pkvm_destroy_hyp_vm(host_kvm);
+ __pkvm_destroy_hyp_vm(host_kvm);
return ret;
free_vm:
free_pages_exact(hyp_vm, hyp_vm_sz);
@@ -194,23 +205,19 @@ int pkvm_create_hyp_vm(struct kvm *host_kvm)
{
int ret = 0;
- mutex_lock(&host_kvm->lock);
+ mutex_lock(&host_kvm->arch.config_lock);
if (!host_kvm->arch.pkvm.handle)
ret = __pkvm_create_hyp_vm(host_kvm);
- mutex_unlock(&host_kvm->lock);
+ mutex_unlock(&host_kvm->arch.config_lock);
return ret;
}
void pkvm_destroy_hyp_vm(struct kvm *host_kvm)
{
- if (host_kvm->arch.pkvm.handle) {
- WARN_ON(kvm_call_hyp_nvhe(__pkvm_teardown_vm,
- host_kvm->arch.pkvm.handle));
- }
-
- host_kvm->arch.pkvm.handle = 0;
- free_hyp_memcache(&host_kvm->arch.pkvm.teardown_mc);
+ mutex_lock(&host_kvm->arch.config_lock);
+ __pkvm_destroy_hyp_vm(host_kvm);
+ mutex_unlock(&host_kvm->arch.config_lock);
}
int pkvm_init_host_vm(struct kvm *host_kvm)