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| author | YueHaibing <yuehaibing@huawei.com> | 2021-11-05 04:15:00 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-11-08 13:48:47 +0300 |
| commit | 08e873cb70f30e11e912a93390f1c0c4e65fae1c (patch) | |
| tree | b5acc7c1ee5e19f8a30d8546016a564cbef07d86 /arch | |
| parent | deacd669e18a51cb2085450c56d851aef72b3256 (diff) | |
| download | linux-08e873cb70f30e11e912a93390f1c0c4e65fae1c.tar.xz | |
KVM: arm64: Change the return type of kvm_vcpu_preferred_target()
kvm_vcpu_preferred_target() always return 0 because kvm_target_cpu()
never returns a negative error code.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211105011500.16280-1-yuehaibing@huawei.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/include/asm/kvm_host.h | 2 | ||||
| -rw-r--r-- | arch/arm64/kvm/arm.c | 5 | ||||
| -rw-r--r-- | arch/arm64/kvm/guest.c | 7 |
3 files changed, 3 insertions, 11 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index d0221fb69a60..f7e36e33406b 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -584,7 +584,7 @@ struct kvm_vcpu_stat { u64 exits; }; -int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init); +void kvm_vcpu_preferred_target(struct kvm_vcpu_init *init); unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu); int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *indices); int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 24a1e86d7128..e2dd575e40f8 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -1397,12 +1397,9 @@ long kvm_arch_vm_ioctl(struct file *filp, return kvm_vm_ioctl_set_device_addr(kvm, &dev_addr); } case KVM_ARM_PREFERRED_TARGET: { - int err; struct kvm_vcpu_init init; - err = kvm_vcpu_preferred_target(&init); - if (err) - return err; + kvm_vcpu_preferred_target(&init); if (copy_to_user(argp, &init, sizeof(init))) return -EFAULT; diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 5ce26bedf23c..e116c7767730 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -869,13 +869,10 @@ u32 __attribute_const__ kvm_target_cpu(void) return KVM_ARM_TARGET_GENERIC_V8; } -int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init) +void kvm_vcpu_preferred_target(struct kvm_vcpu_init *init) { u32 target = kvm_target_cpu(); - if (target < 0) - return -ENODEV; - memset(init, 0, sizeof(*init)); /* @@ -885,8 +882,6 @@ int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init) * target type. */ init->target = (__u32)target; - - return 0; } int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) |