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| author | Julien Thierry <julien.thierry@arm.com> | 2019-01-07 16:06:17 +0100 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@arm.com> | 2019-01-24 15:09:09 +0100 |
| commit | e08d8d296079e8fd7eefd53f73dcafebd3a5bf9f (patch) | |
| tree | f5c8dd9720124448df761c27d636a71d8dd0ca02 /include | |
| parent | KVM: arm/arm64: vgic: Make vgic_dist->lpi_list_lock a raw_spinlock (diff) | |
| download | linux-e08d8d296079e8fd7eefd53f73dcafebd3a5bf9f.tar.xz linux-e08d8d296079e8fd7eefd53f73dcafebd3a5bf9f.zip | |
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 'include')
| -rw-r--r-- | include/kvm/arm_vgic.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 32954e115796..c36c86f1ec9a 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -307,7 +307,7 @@ struct vgic_cpu { unsigned int used_lrs; struct vgic_irq private_irqs[VGIC_NR_PRIVATE_IRQS]; - spinlock_t ap_list_lock; /* Protects the ap_list */ + raw_spinlock_t ap_list_lock; /* Protects the ap_list */ /* * List of IRQs that this VCPU should consider because they are either |