diff options
| author | Marc Zyngier <[email protected]> | 2017-06-09 12:49:45 +0100 |
|---|---|---|
| committer | Marc Zyngier <[email protected]> | 2017-06-15 09:45:03 +0100 |
| commit | abf55766f7b062234083ff612446ff8d47e2417e (patch) | |
| tree | bd1496104c570f281baa206b613ca94be003550b /include/linux | |
| parent | eab0b2dc4f6f34147e3d10da49ab8032e15dbea0 (diff) | |
KVM: arm64: vgic-v3: Enable trapping of Group-0 system registers
In order to be able to trap Group-0 GICv3 system registers, we need to
set ICH_HCR_EL2.TALL0 begore entering the guest. This is conditionnaly
done after having restored the guest's state, and cleared on exit.
Tested-by: Alexander Graf <[email protected]>
Acked-by: David Daney <[email protected]>
Acked-by: Christoffer Dall <[email protected]>
Reviewed-by: Eric Auger <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
Signed-off-by: Christoffer Dall <[email protected]>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/irqchip/arm-gic-v3.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index 6b05d2ac8c54..c7f31a962cfc 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -417,6 +417,7 @@ #define ICH_HCR_EN (1 << 0) #define ICH_HCR_UIE (1 << 1) +#define ICH_HCR_TALL0 (1 << 11) #define ICH_HCR_TALL1 (1 << 12) #define ICH_HCR_EOIcount_SHIFT 27 #define ICH_HCR_EOIcount_MASK (0x1f << ICH_HCR_EOIcount_SHIFT) |