On 2/27/2026 3:18 PM, Paolo Bonzini wrote:
From: myrslint <[email protected]>
Add a new accelerator option that allows the guest to adjust the PAT.
This is already the case for TDX guests and allows using virtio-gpu
Venus with RADV or NVIDIA drivers.
The quirk is disabled by default. Since this caused problems with
Linux's Bochs video device driver, add a knob to leave it enabled,
and for now do ont enable it by default.
s/do ont/do not/
Signed-off-by: Myrsky Lintu <[email protected]>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2943
Link:
https://lore.kernel.org/r/[email protected]
[Add property; for now leave it off by default. - Paolo]
Signed-off-by: Paolo Bonzini <[email protected]>
---
include/system/kvm_int.h | 1 +
accel/kvm/kvm-all.c | 1 +
target/i386/kvm/kvm.c | 50 +++++++++++++++++++++++++++++++++++++++-
3 files changed, 51 insertions(+), 1 deletion(-)
...
+
+ object_class_property_add_enum(oc, "honor-guest-pat", "OnOffAuto",
+ &OnOffAuto_lookup,
+ kvm_arch_get_honor_guest_pat,
+ kvm_arch_set_honor_guest_pat);
+ object_class_property_set_description(oc, "honor-guest-pat",
+ "Disable KVM quirk that ignores guest PAT
"
+ "memory type settings (default:
auto)");
s/default: auto/default: off/
With above fixed,
Reviewed-by: Xiaoyao Li <[email protected]>
