diff options
| author | Julien Thierry <julien.thierry@arm.com> | 2019-01-07 15:06:17 +0000 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@arm.com> | 2019-01-24 15:09:09 +0100 |
| commit | e08d8d296079e8fd7eefd53f73dcafebd3a5bf9f (patch) | |
| tree | f5c8dd9720124448df761c27d636a71d8dd0ca02 /virt/kvm/arm/vgic/vgic-init.c | |
| parent | fc3bc475231e12e9c0142f60100cf84d077c79e1 (diff) | |
| download | linux-e08d8d296079e8fd7eefd53f73dcafebd3a5bf9f.tar.bz2 | |
KVM: arm/arm64: vgic: Make vgic_cpu->ap_list_lock a raw_spinlock
vgic_cpu->ap_list_lock must always be taken with interrupts disabled as
it is used in interrupt context.
For configurations such as PREEMPT_RT_FULL, this means that it should
be a raw_spinlock since RT spinlocks are interruptible.
Signed-off-by: Julien Thierry <julien.thierry@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Diffstat (limited to 'virt/kvm/arm/vgic/vgic-init.c')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-init.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/virt/kvm/arm/vgic/vgic-init.c b/virt/kvm/arm/vgic/vgic-init.c index 330c1ada7326..dfbfcb1fe933 100644 --- a/virt/kvm/arm/vgic/vgic-init.c +++ b/virt/kvm/arm/vgic/vgic-init.c @@ -206,7 +206,7 @@ int kvm_vgic_vcpu_init(struct kvm_vcpu *vcpu) vgic_cpu->sgi_iodev.base_addr = VGIC_ADDR_UNDEF; INIT_LIST_HEAD(&vgic_cpu->ap_list_head); - spin_lock_init(&vgic_cpu->ap_list_lock); + raw_spin_lock_init(&vgic_cpu->ap_list_lock); /* * Enable and configure all SGIs to be edge-triggered and |