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| author | Sascha Bischoff <Sascha.Bischoff@arm.com> | 2025-08-28 10:59:43 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2025-09-17 17:41:02 +0100 |
| commit | 5c5db9efe323dd0b0d7917dbe5b9c0999c95e79e (patch) | |
| tree | e3cb8dcfb5c07c1229ba489a40bb232dacac165b | |
| parent | KVM: arm64: Use ARM64_HAS_GICV5_LEGACY for GICv5 probing (diff) | |
| download | linux-5c5db9efe323dd0b0d7917dbe5b9c0999c95e79e.tar.gz linux-5c5db9efe323dd0b0d7917dbe5b9c0999c95e79e.zip | |
irqchip/gic-v5: Drop has_gcie_v3_compat from gic_kvm_info
The presence of FEAT_GCIE_LEGACY is now handled as a CPU
feature. Therefore, drop the check and flag from the GIC driver and
gic_kvm_info as it is no longer required or used by KVM.
Signed-off-by: Sascha Bischoff <sascha.bischoff@arm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
| -rw-r--r-- | drivers/irqchip/irq-gic-v5.c | 7 | ||||
| -rw-r--r-- | include/linux/irqchip/arm-vgic-info.h | 2 |
2 files changed, 0 insertions, 9 deletions
diff --git a/drivers/irqchip/irq-gic-v5.c b/drivers/irqchip/irq-gic-v5.c index 4bd224f359a7..41ef286c4d78 100644 --- a/drivers/irqchip/irq-gic-v5.c +++ b/drivers/irqchip/irq-gic-v5.c @@ -1062,16 +1062,9 @@ static void gicv5_set_cpuif_idbits(void) #ifdef CONFIG_KVM static struct gic_kvm_info gic_v5_kvm_info __initdata; -static bool __init gicv5_cpuif_has_gcie_legacy(void) -{ - u64 idr0 = read_sysreg_s(SYS_ICC_IDR0_EL1); - return !!FIELD_GET(ICC_IDR0_EL1_GCIE_LEGACY, idr0); -} - static void __init gic_of_setup_kvm_info(struct device_node *node) { gic_v5_kvm_info.type = GIC_V5; - gic_v5_kvm_info.has_gcie_v3_compat = gicv5_cpuif_has_gcie_legacy(); /* GIC Virtual CPU interface maintenance interrupt */ gic_v5_kvm_info.no_maint_irq_mask = false; diff --git a/include/linux/irqchip/arm-vgic-info.h b/include/linux/irqchip/arm-vgic-info.h index ca1713fac6e3..a470a73a805a 100644 --- a/include/linux/irqchip/arm-vgic-info.h +++ b/include/linux/irqchip/arm-vgic-info.h @@ -36,8 +36,6 @@ struct gic_kvm_info { bool has_v4_1; /* Deactivation impared, subpar stuff */ bool no_hw_deactivation; - /* v3 compat support (GICv5 hosts, only) */ - bool has_gcie_v3_compat; }; #ifdef CONFIG_KVM |