[v2,27/30] KVM: PPC: remove load/put vcpu for KVM_GET/SET_ONE_REG ioctl

Message ID 1519753958-11756-17-git-send-email-wei.guo.simon@gmail.com
State Changes Requested
Headers show
Series
  • Untitled series #30815
Related show

Commit Message

Simon Guo Feb. 27, 2018, 5:52 p.m.
From: Simon Guo <wei.guo.simon@gmail.com>

Due to the vcpu mutex locking/unlock has been moved out of vcpu_load()
/vcpu_put(), KVM_GET_ONE_REG and KVM_SET_ONE_REG doesn't need to do
ioctl with loading vcpu anymore. This patch removes vcpu_load()/vcpu_put()
from KVM_GET_ONE_REG and KVM_SET_ONE_REG ioctl.

Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
 arch/powerpc/kvm/powerpc.c | 2 --
 1 file changed, 2 deletions(-)

Patch

diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index cf3effd..7987fa3 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -1647,14 +1647,12 @@  long kvm_arch_vcpu_ioctl(struct file *filp,
 	{
 		struct kvm_one_reg reg;
 		r = -EFAULT;
-		vcpu_load(vcpu);
 		if (copy_from_user(&reg, argp, sizeof(reg)))
 			goto out;
 		if (ioctl == KVM_SET_ONE_REG)
 			r = kvm_vcpu_ioctl_set_one_reg(vcpu, &reg);
 		else
 			r = kvm_vcpu_ioctl_get_one_reg(vcpu, &reg);
-		vcpu_put(vcpu);
 		break;
 	}