[PATCH 2/2] KVM: arm/arm64: vgic-v2: Add the missing resetting LRs at boot time

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>

This is the corresponding part of commit d6400d7(KVM: arm/arm64:
vgic-v2: Reset LRs at boot time) which is missed for new-vgic.

Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
---
 virt/kvm/arm/vgic/vgic-v2.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c
index 9bab867..c636a19 100644
--- a/virt/kvm/arm/vgic/vgic-v2.c
+++ b/virt/kvm/arm/vgic/vgic-v2.c
@@ -300,6 +300,15 @@ int vgic_v2_map_resources(struct kvm *kvm)
 
 DEFINE_STATIC_KEY_FALSE(vgic_v2_cpuif_trap);
 
+static void vgic_cpu_init_lrs(void *params)
+{
+	int i;
+
+	for (i = 0; i < kvm_vgic_global_state.nr_lr; i++)
+		writel_relaxed(0, kvm_vgic_global_state.vctrl_base +
+				  GICH_LR0 + (i * 4));
+}
+
 /**
  * vgic_v2_probe - probe for a GICv2 compatible interrupt controller in DT
  * @node:	pointer to the DT node
@@ -368,6 +377,8 @@ int vgic_v2_probe(const struct gic_kvm_info *info)
 	kvm_vgic_global_state.type = VGIC_V2;
 	kvm_vgic_global_state.max_gic_vcpus = VGIC_V2_MAX_CPUS;
 
+	on_each_cpu(vgic_cpu_init_lrs, NULL, 1);
+
 	kvm_info("vgic-v2@%llx\n", info->vctrl.start);
 
 	return 0;
-- 
2.0.4


_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm



[Index of Archives]     [Linux KVM]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux