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| author | Paolo Bonzini <pbonzini@redhat.com> | 2018-06-01 19:17:22 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-06-01 19:17:22 +0200 |
| commit | 5eec43a1fa2a7ec5225411c97538fa582d36f579 (patch) | |
| tree | 22928042a707851ab4359eb45e7bda04a374f4d3 /virt/kvm/kvm_main.c | |
| parent | KVM: docs: mmu: Fix link to NPT presentation from KVM Forum 2008 (diff) | |
| parent | KVM: arm/arm64: Bump VGIC_V3_MAX_CPUS to 512 (diff) | |
| download | linux-5eec43a1fa2a7ec5225411c97538fa582d36f579.tar.xz linux-5eec43a1fa2a7ec5225411c97538fa582d36f579.zip | |
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.c | 7 |
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(); |