From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org
Cc: kernel-team@android.com,
Catalin Marinas <catalin.marinas@arm.com>,
Joey Gouly <joey.gouly@arm.com>, Will Deacon <will@kernel.org>
Subject: [PATCH v2 02/10] arm64: Add RV and RN fields for ESR_ELx_WFx_ISS
Date: Tue, 19 Apr 2022 19:27:47 +0100 [thread overview]
Message-ID: <20220419182755.601427-3-maz@kernel.org> (raw)
In-Reply-To: <20220419182755.601427-1-maz@kernel.org>
The ISS field exposed by ESR_ELx contain two additional subfields
with FEAT_WFxT:
- RN, the register number containing the timeout
- RV, indicating if the register number is valid
Describe these two fields according to the arch spec.
No functional change.
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
arch/arm64/include/asm/esr.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 65c2201b11b2..15156c478054 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -133,6 +133,8 @@
#define ESR_ELx_CV (UL(1) << 24)
#define ESR_ELx_COND_SHIFT (20)
#define ESR_ELx_COND_MASK (UL(0xF) << ESR_ELx_COND_SHIFT)
+#define ESR_ELx_WFx_ISS_RN (UL(0x1F) << 5)
+#define ESR_ELx_WFx_ISS_RV (UL(1) << 2)
#define ESR_ELx_WFx_ISS_TI (UL(3) << 0)
#define ESR_ELx_WFx_ISS_WFxT (UL(2) << 0)
#define ESR_ELx_WFx_ISS_WFI (UL(0) << 0)
--
2.34.1
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kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Joey Gouly <joey.gouly@arm.com>,
kernel-team@android.com
Subject: [PATCH v2 02/10] arm64: Add RV and RN fields for ESR_ELx_WFx_ISS
Date: Tue, 19 Apr 2022 19:27:47 +0100 [thread overview]
Message-ID: <20220419182755.601427-3-maz@kernel.org> (raw)
In-Reply-To: <20220419182755.601427-1-maz@kernel.org>
The ISS field exposed by ESR_ELx contain two additional subfields
with FEAT_WFxT:
- RN, the register number containing the timeout
- RV, indicating if the register number is valid
Describe these two fields according to the arch spec.
No functional change.
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
arch/arm64/include/asm/esr.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 65c2201b11b2..15156c478054 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -133,6 +133,8 @@
#define ESR_ELx_CV (UL(1) << 24)
#define ESR_ELx_COND_SHIFT (20)
#define ESR_ELx_COND_MASK (UL(0xF) << ESR_ELx_COND_SHIFT)
+#define ESR_ELx_WFx_ISS_RN (UL(0x1F) << 5)
+#define ESR_ELx_WFx_ISS_RV (UL(1) << 2)
#define ESR_ELx_WFx_ISS_TI (UL(3) << 0)
#define ESR_ELx_WFx_ISS_WFxT (UL(2) << 0)
#define ESR_ELx_WFx_ISS_WFI (UL(0) << 0)
--
2.34.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Joey Gouly <joey.gouly@arm.com>,
kernel-team@android.com
Subject: [PATCH v2 02/10] arm64: Add RV and RN fields for ESR_ELx_WFx_ISS
Date: Tue, 19 Apr 2022 19:27:47 +0100 [thread overview]
Message-ID: <20220419182755.601427-3-maz@kernel.org> (raw)
In-Reply-To: <20220419182755.601427-1-maz@kernel.org>
The ISS field exposed by ESR_ELx contain two additional subfields
with FEAT_WFxT:
- RN, the register number containing the timeout
- RV, indicating if the register number is valid
Describe these two fields according to the arch spec.
No functional change.
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
arch/arm64/include/asm/esr.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 65c2201b11b2..15156c478054 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -133,6 +133,8 @@
#define ESR_ELx_CV (UL(1) << 24)
#define ESR_ELx_COND_SHIFT (20)
#define ESR_ELx_COND_MASK (UL(0xF) << ESR_ELx_COND_SHIFT)
+#define ESR_ELx_WFx_ISS_RN (UL(0x1F) << 5)
+#define ESR_ELx_WFx_ISS_RV (UL(1) << 2)
#define ESR_ELx_WFx_ISS_TI (UL(3) << 0)
#define ESR_ELx_WFx_ISS_WFxT (UL(2) << 0)
#define ESR_ELx_WFx_ISS_WFI (UL(0) << 0)
--
2.34.1
next prev parent reply other threads:[~2022-04-19 18:28 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-19 18:27 [PATCH v2 00/10] arm64: Add initial support for FEAT_WFxT Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` [PATCH v2 01/10] arm64: Expand ESR_ELx_WFx_ISS_TI to match its ARMv8.7 definition Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-20 17:24 ` Catalin Marinas
2022-04-20 17:24 ` Catalin Marinas
2022-04-20 17:24 ` Catalin Marinas
2022-04-19 18:27 ` Marc Zyngier [this message]
2022-04-19 18:27 ` [PATCH v2 02/10] arm64: Add RV and RN fields for ESR_ELx_WFx_ISS Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-20 17:25 ` Catalin Marinas
2022-04-20 17:25 ` Catalin Marinas
2022-04-20 17:25 ` Catalin Marinas
2022-04-19 18:27 ` [PATCH v2 03/10] KVM: arm64: Simplify kvm_cpu_has_pending_timer() Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` [PATCH v2 04/10] KVM: arm64: Introduce kvm_counter_compute_delta() helper Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` [PATCH v2 05/10] KVM: arm64: Handle blocking WFIT instruction Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` [PATCH v2 06/10] KVM: arm64: Offer early resume for non-blocking WFxT instructions Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` [PATCH v2 07/10] KVM: arm64: Expose the WFXT feature to guests Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-20 17:46 ` Catalin Marinas
2022-04-20 17:46 ` Catalin Marinas
2022-04-20 17:46 ` Catalin Marinas
2022-04-19 18:27 ` [PATCH v2 08/10] arm64: Add HWCAP advertising FEAT_WFXT Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-20 17:27 ` Catalin Marinas
2022-04-20 17:27 ` Catalin Marinas
2022-04-20 17:27 ` Catalin Marinas
2022-04-20 18:39 ` Marc Zyngier
2022-04-20 18:39 ` Marc Zyngier
2022-04-20 18:39 ` Marc Zyngier
2022-04-19 18:27 ` [PATCH v2 09/10] arm64: Add wfet()/wfit() helpers Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-20 17:28 ` Catalin Marinas
2022-04-20 17:28 ` Catalin Marinas
2022-04-20 17:28 ` Catalin Marinas
2022-04-19 18:27 ` [PATCH v2 10/10] arm64: Use WFxT for __delay() when possible Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-19 18:27 ` Marc Zyngier
2022-04-20 17:44 ` Catalin Marinas
2022-04-20 17:44 ` Catalin Marinas
2022-04-20 17:44 ` Catalin Marinas
2022-04-20 18:35 ` Marc Zyngier
2022-04-20 18:35 ` Marc Zyngier
2022-04-20 18:35 ` Marc Zyngier
2022-04-20 17:24 ` [PATCH v2 00/10] arm64: Add initial support for FEAT_WFxT Catalin Marinas
2022-04-20 17:24 ` Catalin Marinas
2022-04-20 17:24 ` Catalin Marinas
2022-04-20 18:50 ` Marc Zyngier
2022-04-20 18:50 ` Marc Zyngier
2022-04-20 18:50 ` Marc Zyngier
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