From: Marc Zyngier <maz@kernel.org>
To: kvmarm@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org
Cc: James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Oliver Upton <oliver.upton@linux.dev>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Joey Gouly <joey.gouly@arm.com>,
	Mark Brown <broonie@kernel.org>
Subject: [PATCH v2 08/25] KVM: arm64: Unify HDFG[WR]TR_GROUP FGT identifiers
Date: Tue, 30 Jan 2024 20:45:15 +0000
Message-Id: <20240130204533.693853-9-maz@kernel.org>
In-Reply-To: <20240130204533.693853-1-maz@kernel.org>
References: <20240130204533.693853-1-maz@kernel.org>
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There is no reason to have separate FGT group identifiers for
the debug fine grain trapping. The sole requirement is to provide
the *names* so that the SR_FGF() macro can do its magic of picking
the correct bit definition.

So let's alias HDFGWTR_GROUP and HDFGRTR_GROUP.

Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/kvm/emulate-nested.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c
index 7a4a886adb9d..8a1cfcf553a2 100644
--- a/arch/arm64/kvm/emulate-nested.c
+++ b/arch/arm64/kvm/emulate-nested.c
@@ -1010,7 +1010,7 @@ enum fgt_group_id {
 	__NO_FGT_GROUP__,
 	HFGxTR_GROUP,
 	HDFGRTR_GROUP,
-	HDFGWTR_GROUP,
+	HDFGWTR_GROUP = HDFGRTR_GROUP,
 	HFGITR_GROUP,
 	HAFGRTR_GROUP,
 
@@ -1938,7 +1938,6 @@ bool __check_nv_sr_forward(struct kvm_vcpu *vcpu)
 		break;
 
 	case HDFGRTR_GROUP:
-	case HDFGWTR_GROUP:
 		if (is_read)
 			val = __vcpu_sys_reg(vcpu, HDFGRTR_EL2);
 		else
-- 
2.39.2