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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
commit8665bd53f2f2e27e5511d90428cb3f60e6d0ce15 (patch)
tree8d58900dc0ebd4a3011f92c128d2fe45bc7c4bf2 /arch/arm64/kvm/nested.c
parentAdding debian version 6.7.12-1. (diff)
downloadlinux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.tar.xz
linux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm64/kvm/nested.c')
-rw-r--r--arch/arm64/kvm/nested.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
index 042695a210..ba95d044bc 100644
--- a/arch/arm64/kvm/nested.c
+++ b/arch/arm64/kvm/nested.c
@@ -23,13 +23,9 @@
* This list should get updated as new features get added to the NV
* support, and new extension to the architecture.
*/
-void access_nested_id_reg(struct kvm_vcpu *v, struct sys_reg_params *p,
- const struct sys_reg_desc *r)
+static u64 limit_nv_id_reg(u32 id, u64 val)
{
- u32 id = reg_to_encoding(r);
- u64 val, tmp;
-
- val = p->regval;
+ u64 tmp;
switch (id) {
case SYS_ID_AA64ISAR0_EL1:
@@ -158,5 +154,17 @@ void access_nested_id_reg(struct kvm_vcpu *v, struct sys_reg_params *p,
break;
}
- p->regval = val;
+ return val;
+}
+int kvm_init_nv_sysregs(struct kvm *kvm)
+{
+ mutex_lock(&kvm->arch.config_lock);
+
+ for (int i = 0; i < KVM_ARM_ID_REG_NUM; i++)
+ kvm->arch.id_regs[i] = limit_nv_id_reg(IDX_IDREG(i),
+ kvm->arch.id_regs[i]);
+
+ mutex_unlock(&kvm->arch.config_lock);
+
+ return 0;
}