[v2,06/16] arm64: Remove VNCR definition for PIRE0_EL2

Message ID	20240903153834.1909472-7-maz@kernel.org (mailing list archive)
State	New, archived
Headers	show Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9F50822301; Tue, 3 Sep 2024 15:38:41 +0000 (UTC) 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 v2 06/16] arm64: Remove VNCR definition for PIRE0_EL2 Date: Tue, 3 Sep 2024 16:38:24 +0100 Message-Id: <20240903153834.1909472-7-maz@kernel.org> In-Reply-To: <20240903153834.1909472-1-maz@kernel.org> References: <20240903153834.1909472-1-maz@kernel.org> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	KVM: arm64: Add EL2 support to FEAT_S1PIE \| expand [v2,00/16] KVM: arm64: Add EL2 support to FEAT_S1PIE [v2,01/16] KVM: arm64: nv: Handle CNTHCTL_EL2 specially [v2,02/16] KVM: arm64: nv: Save/Restore vEL2 sysregs [v2,03/16] KVM: arm64: Add TCR2_EL2 to the sysreg arrays [v2,04/16] KVM: arm64: Add save/restore for TCR2_EL2 [v2,05/16] arm64: Add encoding for PIRE0_EL2 [v2,06/16] arm64: Remove VNCR definition for PIRE0_EL2 [v2,07/16] KVM: arm64: Add PIR{,E0}_EL2 to the sysreg arrays [v2,08/16] KVM: arm64: Add save/restore for PIR{,E0}_EL2 [v2,09/16] KVM: arm64: Handle PIR{,E0}_EL2 traps [v2,10/16] KVM: arm64: Sanitise ID_AA64MMFR3_EL1 [v2,11/16] KVM: arm64: Split S1 permission evaluation into direct and hierarchical parts [v2,12/16] KVM: arm64: Implement AT S1PIE support [v2,13/16] KVM: arm64: Define helper for EL2 registers with custom visibility [v2,14/16] KVM: arm64: Hide TCR2_EL1 from userspace when disabled for guests [v2,15/16] KVM: arm64: Hide S1PIE registers from userspace when disabled for guests [v2,16/16] KVM: arm64: Rely on visibility to let PIR*_ELx/TCR2_ELx UNDEF

Message ID

20240903153834.1909472-7-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 v2 06/16] arm64: Remove VNCR definition for PIRE0_EL2
Date: Tue,  3 Sep 2024 16:38:24 +0100
Message-Id: <20240903153834.1909472-7-maz@kernel.org>
In-Reply-To: <20240903153834.1909472-1-maz@kernel.org>
References: <20240903153834.1909472-1-maz@kernel.org>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

Series

KVM: arm64: Add EL2 support to FEAT_S1PIE | expand

Commit Message

Marc Zyngier Sept. 3, 2024, 3:38 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 df2c47c55972..9e593bb60975 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

[v2,06/16] arm64: Remove VNCR definition for PIRE0_EL2

Commit Message

Patch