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| From: | Alexander Graf |
| Subject: | Re: [Qemu-devel] [PATCH v2] hw/intc/arm_gicv3_kvm: Check KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS in reset |
| Date: | Tue, 28 Mar 2017 19:30:00 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 |
On 03/28/2017 07:20 PM, Eric Auger wrote:
KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS needs to be checked before
attempting to read ICC_CTLR_EL1; otherwise kernel versions not
exposing this kvm device group will be incompatible with qemu 2.9.
Fixes: 07a5628 ("hw/intc/arm_gicv3_kvm: Reset GICv3 cpu interface registers")
Signed-off-by: Eric Auger <address@hidden>
Reported-by: Prakash B <address@hidden>
With this I can indeed run 2.9 on a 4.4 based kernel again. Tested-by: Alexander Graf <address@hidden> Alex
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