summaryrefslogtreecommitdiff
path: root/arch/arm64/kvm/arm.c
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2021-11-18 13:13:16 -0800
committerJakub Kicinski <kuba@kernel.org>2021-11-18 13:13:16 -0800
commit50fc24944a2a0ef5aab571dcac17f6c5f2613f56 (patch)
tree32477b48cc10073e948eb7b85877dc5a0746749d /arch/arm64/kvm/arm.c
parentbb8cecf8ba127abca8ccd102207a59c55fdae515 (diff)
parent8d0112ac6fd001f95aabb084ec2ccaa3637bc344 (diff)
downloadlinux-50fc24944a2a0ef5aab571dcac17f6c5f2613f56.tar.gz
linux-50fc24944a2a0ef5aab571dcac17f6c5f2613f56.tar.bz2
linux-50fc24944a2a0ef5aab571dcac17f6c5f2613f56.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/arm64/kvm/arm.c')
-rw-r--r--arch/arm64/kvm/arm.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index f5490afe1ebf..e4727dc771bf 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -223,7 +223,14 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
r = 1;
break;
case KVM_CAP_NR_VCPUS:
- r = num_online_cpus();
+ /*
+ * ARM64 treats KVM_CAP_NR_CPUS differently from all other
+ * architectures, as it does not always bound it to
+ * KVM_CAP_MAX_VCPUS. It should not matter much because
+ * this is just an advisory value.
+ */
+ r = min_t(unsigned int, num_online_cpus(),
+ kvm_arm_default_max_vcpus());
break;
case KVM_CAP_MAX_VCPUS:
case KVM_CAP_MAX_VCPU_ID:
@@ -1389,12 +1396,9 @@ 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;