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[Qemu-devel] [PULL 4/7] hw/intc/arm_gic: Initialize the vgic in the real
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 4/7] hw/intc/arm_gic: Initialize the vgic in the realize function |
Date: |
Mon, 16 Mar 2015 12:40:15 +0000 |
From: Eric Auger <address@hidden>
This patch forces vgic initialization in the vgic realize function.
It uses a new group/attribute that allows such operation:
KVM_DEV_ARM_VGIC_GRP_CTRL/KVM_DEV_ARM_VGIC_CTRL_INIT
This earlier initialization allows, for example, to setup VFIO
signaling and irqfd after vgic initialization, on a reset notifier.
Signed-off-by: Eric Auger <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <address@hidden>
---
hw/intc/arm_gic_kvm.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c
index 1ad3eb0..0d20750 100644
--- a/hw/intc/arm_gic_kvm.c
+++ b/hw/intc/arm_gic_kvm.c
@@ -573,6 +573,13 @@ static void kvm_arm_gic_realize(DeviceState *dev, Error
**errp)
kvm_gic_access(s, KVM_DEV_ARM_VGIC_GRP_NR_IRQS, 0, 0, &numirqs, 1);
}
+ /* Tell the kernel to complete VGIC initialization now */
+ if (kvm_gic_supports_attr(s, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_VGIC_CTRL_INIT)) {
+ kvm_gic_access(s, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_VGIC_CTRL_INIT, 0, 0, 1);
+ }
+
/* Distributor */
memory_region_init_reservation(&s->iomem, OBJECT(s),
"kvm-gic_dist", 0x1000);
--
1.9.1
- [Qemu-devel] [PULL 0/7] target-arm queue, Peter Maydell, 2015/03/16
- [Qemu-devel] [PULL 5/7] target-arm: Fix handling of STM (user) with r15 in register list, Peter Maydell, 2015/03/16
- [Qemu-devel] [PULL 4/7] hw/intc/arm_gic: Initialize the vgic in the realize function,
Peter Maydell <=
- [Qemu-devel] [PULL 6/7] target-arm: Ignore low bit of PC in M-profile exception return, Peter Maydell, 2015/03/16
- [Qemu-devel] [PULL 7/7] linux-user: Access correct register for get/set_tls syscalls on ARM TZ CPUs, Peter Maydell, 2015/03/16
- [Qemu-devel] [PULL 2/7] target-arm: fix get_phys_addr_v6/SCTLR_AFE access check, Peter Maydell, 2015/03/16
- [Qemu-devel] [PULL 1/7] target-arm: convert check_ap to ap_to_rw_prot, Peter Maydell, 2015/03/16
- [Qemu-devel] [PULL 3/7] target-arm: get_phys_addr_lpae: more xn control, Peter Maydell, 2015/03/16
- Re: [Qemu-devel] [PULL 0/7] target-arm queue, Peter Maydell, 2015/03/16