[v3,02/24] arm64: Remove VNCR definition for PIRE0_EL2

Message ID	20240911135151.401193-3-maz@kernel.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org> From: Marc Zyngier <maz@kernel.org> To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.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>, Joey Gouly <joey.gouly@arm.com>, Alexandru Elisei <alexandru.elisei@arm.com>, Mark Brown <broonie@kernel.org> Subject: [PATCH v3 02/24] arm64: Remove VNCR definition for PIRE0_EL2 Date: Wed, 11 Sep 2024 14:51:29 +0100 Message-Id: <20240911135151.401193-3-maz@kernel.org> In-Reply-To: <20240911135151.401193-1-maz@kernel.org> References: <20240911135151.401193-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: list Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org
Series	KVM: arm64: Add EL2 support to FEAT_S1PIE \| expand [v3,00/24] KVM: arm64: Add EL2 support to FEAT_S1PIE [v3,01/24] arm64: Drop SKL0/SKL1 from TCR2_EL2 [v3,02/24] arm64: Remove VNCR definition for PIRE0_EL2 [v3,03/24] arm64: Add encoding for PIRE0_EL2 [v3,04/24] KVM: arm64: nv: Add missing EL2->EL1 mappings in get_el2_to_el1_mapping() [v3,05/24] KVM: arm64: nv: Handle CNTHCTL_EL2 specially [v3,06/24] KVM: arm64: nv: Save/Restore vEL2 sysregs [v3,07/24] KVM: arm64: Correctly access TCR2_EL1, PIR_EL1, PIRE0_EL1 with VHE [v3,08/24] KVM: arm64: Extend masking facility to arbitrary registers [v3,09/24] arm64: Define ID_AA64MMFR1_EL1.HAFDBS advertising FEAT_HAFT [v3,10/24] KVM: arm64: Add TCR2_EL2 to the sysreg arrays [v3,11/24] KVM: arm64: Sanitise TCR2_EL2 [v3,12/24] KVM: arm64: Add save/restore for TCR2_EL2 [v3,13/24] KVM: arm64: Add PIR{,E0}_EL2 to the sysreg arrays [v3,14/24] KVM: arm64: Add save/restore for PIR{,E0}_EL2 [v3,15/24] KVM: arm64: Handle PIR{,E0}_EL2 traps [v3,16/24] KVM: arm64: Sanitise ID_AA64MMFR3_EL1 [v3,17/24] KVM: arm64: Add AT fast-path support for S1PIE [v3,18/24] KVM: arm64: Split S1 permission evaluation into direct and hierarchical parts [v3,19/24] KVM: arm64: Disable hierarchical permissions when S1PIE is enabled [v3,20/24] KVM: arm64: Implement AT S1PIE support [v3,21/24] KVM: arm64: Define helper for EL2 registers with custom visibility [v3,22/24] KVM: arm64: Hide TCR2_EL1 from userspace when disabled for guests [v3,23/24] KVM: arm64: Hide S1PIE registers from userspace when disabled for guests [v3,24/24] KVM: arm64: Rely on visibility to let PIR*_ELx/TCR2_ELx UNDEF

Message ID

20240911135151.401193-3-maz@kernel.org (mailing list archive)

State

New, archived

Headers

From: Marc Zyngier <maz@kernel.org>
To: kvmarm@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	kvm@vger.kernel.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>,
	Joey Gouly <joey.gouly@arm.com>,
	Alexandru Elisei <alexandru.elisei@arm.com>,
	Mark Brown <broonie@kernel.org>
Subject: [PATCH v3 02/24] arm64: Remove VNCR definition for PIRE0_EL2
Date: Wed, 11 Sep 2024 14:51:29 +0100
Message-Id: <20240911135151.401193-3-maz@kernel.org>
In-Reply-To: <20240911135151.401193-1-maz@kernel.org>
References: <20240911135151.401193-1-maz@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
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 linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org

Series

KVM: arm64: Add EL2 support to FEAT_S1PIE | expand

Commit Message

Marc Zyngier Sept. 11, 2024, 1:51 p.m. UTC

As of the ARM ARM Known Issues document 102105_K.a_04_en, D22677
fixes a problem with the PIRE0_EL2 register, resulting in its
removal from the VNCR page (it had no purpose being there the
first place).

Follow the architecture update by removing this offset.

Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/include/asm/vncr_mapping.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm64/include/asm/vncr_mapping.h b/arch/arm64/include/asm/vncr_mapping.h
index df2c47c559728..9e593bb609750 100644
--- a/arch/arm64/include/asm/vncr_mapping.h
+++ b/arch/arm64/include/asm/vncr_mapping.h
@@ -50,7 +50,6 @@ 
 #define VNCR_VBAR_EL1           0x250
 #define VNCR_TCR2_EL1		0x270
 #define VNCR_PIRE0_EL1		0x290
-#define VNCR_PIRE0_EL2		0x298
 #define VNCR_PIR_EL1		0x2A0
 #define VNCR_ICH_LR0_EL2        0x400
 #define VNCR_ICH_LR1_EL2        0x408

[v3,02/24] arm64: Remove VNCR definition for PIRE0_EL2

Commit Message

Patch