[PATCH] Documentation: KVM: Update GICv3 docs for GICv5 hosts

Sascha Bischoff posted 1 patch 4 months ago
Documentation/virt/kvm/devices/arm-vgic-v3.rst | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
[PATCH] Documentation: KVM: Update GICv3 docs for GICv5 hosts
Posted by Sascha Bischoff 4 months ago
GICv5 hosts optionally include FEAT_GCIE_LEGACY, which allows them to
execute GICv3-based VMs on GICv5 hardware. Update the GICv3
documentation to reflect this now that GICv3 guests are supports on
compatible GICv5 hosts.

Signed-off-by: Sascha Bischoff <sascha.bischoff@arm.com>
---
 Documentation/virt/kvm/devices/arm-vgic-v3.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/virt/kvm/devices/arm-vgic-v3.rst b/Documentation/virt/kvm/devices/arm-vgic-v3.rst
index ff02102f71410..5395ee66fc324 100644
--- a/Documentation/virt/kvm/devices/arm-vgic-v3.rst
+++ b/Documentation/virt/kvm/devices/arm-vgic-v3.rst
@@ -13,7 +13,8 @@ will act as the VM interrupt controller, requiring emulated user-space devices
 to inject interrupts to the VGIC instead of directly to CPUs.  It is not
 possible to create both a GICv3 and GICv2 on the same VM.
 
-Creating a guest GICv3 device requires a host GICv3 as well.
+Creating a guest GICv3 device requires a host GICv3 host, or a GICv5 host with
+support for FEAT_GCIE_LEGACY.
 
 
 Groups:
-- 
2.34.1
Re: [PATCH] Documentation: KVM: Update GICv3 docs for GICv5 hosts
Posted by Marc Zyngier 3 months, 3 weeks ago
On Tue, 07 Oct 2025 15:48:54 +0000, Sascha Bischoff wrote:
> GICv5 hosts optionally include FEAT_GCIE_LEGACY, which allows them to
> execute GICv3-based VMs on GICv5 hardware. Update the GICv3
> documentation to reflect this now that GICv3 guests are supports on
> compatible GICv5 hosts.
> 
> 

Applied to fixes, thanks!

[1/1] Documentation: KVM: Update GICv3 docs for GICv5 hosts
      commit: 164ecbf73c3ea61455e07eefdad8050a7b569558

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.