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authorPaolo Bonzini <pbonzini@redhat.com>2018-06-01 19:17:22 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2018-06-01 19:17:22 +0200
commit5eec43a1fa2a7ec5225411c97538fa582d36f579 (patch)
tree22928042a707851ab4359eb45e7bda04a374f4d3 /virt/kvm/kvm_main.c
parent75025cc9d13f2093bb1ee4388dbaae3182c97bab (diff)
parente25028c8ded011d19f9a11164807507c94febc01 (diff)
downloadlinux-5eec43a1fa2a7ec5225411c97538fa582d36f579.tar.gz
Merge tag 'kvmarm-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/ARM updates for 4.18 - Lazy context-switching of FPSIMD registers on arm64 - Allow virtual redistributors to be part of two or more MMIO ranges
Diffstat (limited to 'virt/kvm/kvm_main.c')
-rw-r--r--virt/kvm/kvm_main.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index b125d94307d2..c5f6a552e486 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2568,8 +2568,13 @@ static long kvm_vcpu_ioctl(struct file *filp,
oldpid = rcu_access_pointer(vcpu->pid);
if (unlikely(oldpid != current->pids[PIDTYPE_PID].pid)) {
/* The thread running this VCPU changed. */
- struct pid *newpid = get_task_pid(current, PIDTYPE_PID);
+ struct pid *newpid;
+ r = kvm_arch_vcpu_run_pid_change(vcpu);
+ if (r)
+ break;
+
+ newpid = get_task_pid(current, PIDTYPE_PID);
rcu_assign_pointer(vcpu->pid, newpid);
if (oldpid)
synchronize_rcu();