From: Simon Guo Date: Wed, 23 May 2018 07:02:10 +0000 (+0800) Subject: KVM: PPC: Remove load/put vcpu for KVM_GET/SET_ONE_REG ioctl X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c8235c2891d0561960fd5d62fdda58cfb6e503b2;p=linux.git KVM: PPC: Remove load/put vcpu for KVM_GET/SET_ONE_REG ioctl Since 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 Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index c2c3477af746f..4cb377605167c 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1998,14 +1998,12 @@ long kvm_arch_vcpu_ioctl(struct file *filp, { struct kvm_one_reg reg; r = -EFAULT; - vcpu_load(vcpu); if (copy_from_user(®, argp, sizeof(reg))) goto out; if (ioctl == KVM_SET_ONE_REG) r = kvm_vcpu_ioctl_set_one_reg(vcpu, ®); else r = kvm_vcpu_ioctl_get_one_reg(vcpu, ®); - vcpu_put(vcpu); break; }