[PATCH v3 12/36] KVM: arm64: gic-v5: Support GICv5 FGTs & FGUs
Jonathan Cameron
jonathan.cameron at huawei.com
Mon Jan 12 06:55:24 PST 2026
On Fri, 9 Jan 2026 17:04:42 +0000
Sascha Bischoff <Sascha.Bischoff at arm.com> wrote:
> Extend the existing FGT/FGU infrastructure to include the GICv5 trap
> registers (ICH_HFGRTR_EL2, ICH_HFGWTR_EL2, ICH_HFGITR_EL2). This
> involves mapping the trap registers and their bits to the
> corresponding feature that introduces them (FEAT_GCIE for all, in this
> case), and mapping each trap bit to the system register/instruction
> controlled by it.
>
> As of this change, none of the GICv5 instructions or register accesses
> are being trapped.
>
> Signed-off-by: Sascha Bischoff <sascha.bischoff at arm.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron at huawei.com>
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