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Subject[PATCH] KVM: arm64: cancel the return value check of kvm_arm_init_sve()
Date
Currently, kvm_arm_init_sve() has only a unique return value,
so change the return value type of kvm_arm_init_sve() to void.

Meanwhile, there's no need to check the return value of
kvm_arm_init_sve() in kvm_arch_init().

Signed-off-by: Peng Wu <wupeng58@huawei.com>
---
arch/arm64/kvm/arm.c | 4 +---
arch/arm64/kvm/reset.c | 4 +---
2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 400bb0fe2745..5ec90991c68e 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -2206,9 +2206,7 @@ int kvm_arch_init(void *opaque)
if (err)
return err;

- err = kvm_arm_init_sve();
- if (err)
- return err;
+ kvm_arm_init_sve();

err = kvm_arm_vmid_alloc_init();
if (err) {
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index 6c70c6f61c70..abae7b24eb8b 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -43,7 +43,7 @@ static u32 kvm_ipa_limit;

unsigned int kvm_sve_max_vl;

-int kvm_arm_init_sve(void)
+void kvm_arm_init_sve(void)
{
if (system_supports_sve()) {
kvm_sve_max_vl = sve_max_virtualisable_vl();
@@ -65,8 +65,6 @@ int kvm_arm_init_sve(void)
pr_warn("KVM: SVE vector length for guests limited to %u bytes\n",
kvm_sve_max_vl);
}
-
- return 0;
}

static int kvm_vcpu_enable_sve(struct kvm_vcpu *vcpu)
--
2.17.1
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