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From: Catalin Marinas <catalin.marinas@arm.com>
To: Ryan Roberts <ryan.roberts@arm.com>
Cc: Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
	Oliver Upton <oliver.upton@linux.dev>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Ard Biesheuvel <ardb@kernel.org>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev
Subject: Re: [PATCH v2 02/12] arm64/mm: Add FEAT_LPA2 specific ID_AA64MMFR0.TGRAN[2]
Date: Wed, 12 Apr 2023 17:27:15 +0100	[thread overview]
Message-ID: <ZDbb4xLsoks+lZZT@arm.com> (raw)
In-Reply-To: <20230306195438.1557851-3-ryan.roberts@arm.com>

On Mon, Mar 06, 2023 at 07:54:28PM +0000, Ryan Roberts wrote:
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index 9e3ecba3c4e6..7f708eecc3ad 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -609,10 +609,12 @@
>  
>  /* id_aa64mmfr0 */
>  #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN	0x0
> +#define ID_AA64MMFR0_EL1_TGRAN4_LPA2		ID_AA64MMFR0_EL1_TGRAN4_52_BIT
>  #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX	0x7
>  #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN	0x0
>  #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX	0x7
>  #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN	0x1
> +#define ID_AA64MMFR0_EL1_TGRAN16_LPA2		ID_AA64MMFR0_EL1_TGRAN16_52_BIT
>  #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX	0xf

This patch evolved a bit since I first acked it in Anshuman's series. I
can't find any trace of ID_AA64MMFR0_EL1_TGRAN4_52_BIT in the kernel. Is
it introduced in a later patch?

-- 
Catalin

WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Ryan Roberts <ryan.roberts@arm.com>
Cc: Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
	Oliver Upton <oliver.upton@linux.dev>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Ard Biesheuvel <ardb@kernel.org>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev
Subject: Re: [PATCH v2 02/12] arm64/mm: Add FEAT_LPA2 specific ID_AA64MMFR0.TGRAN[2]
Date: Wed, 12 Apr 2023 17:27:15 +0100	[thread overview]
Message-ID: <ZDbb4xLsoks+lZZT@arm.com> (raw)
In-Reply-To: <20230306195438.1557851-3-ryan.roberts@arm.com>

On Mon, Mar 06, 2023 at 07:54:28PM +0000, Ryan Roberts wrote:
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index 9e3ecba3c4e6..7f708eecc3ad 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -609,10 +609,12 @@
>  
>  /* id_aa64mmfr0 */
>  #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN	0x0
> +#define ID_AA64MMFR0_EL1_TGRAN4_LPA2		ID_AA64MMFR0_EL1_TGRAN4_52_BIT
>  #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX	0x7
>  #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN	0x0
>  #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX	0x7
>  #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN	0x1
> +#define ID_AA64MMFR0_EL1_TGRAN16_LPA2		ID_AA64MMFR0_EL1_TGRAN16_52_BIT
>  #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX	0xf

This patch evolved a bit since I first acked it in Anshuman's series. I
can't find any trace of ID_AA64MMFR0_EL1_TGRAN4_52_BIT in the kernel. Is
it introduced in a later patch?

-- 
Catalin

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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2023-04-12 16:27 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-06 19:54 [PATCH v2 00/12] KVM: arm64: Support FEAT_LPA2 at hyp s1 and vm s2 Ryan Roberts
2023-03-06 19:54 ` Ryan Roberts
2023-03-06 19:54 ` [PATCH v2 01/12] arm64/mm: Update non-range tlb invalidation routines for FEAT_LPA2 Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-04-12 15:47   ` Catalin Marinas
2023-04-12 15:47     ` Catalin Marinas
2023-04-13  8:04     ` Ryan Roberts
2023-04-13  8:04       ` Ryan Roberts
2023-03-06 19:54 ` [PATCH v2 02/12] arm64/mm: Add FEAT_LPA2 specific ID_AA64MMFR0.TGRAN[2] Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-04-12 16:27   ` Catalin Marinas [this message]
2023-04-12 16:27     ` Catalin Marinas
2023-04-13  8:16     ` Ryan Roberts
2023-04-13  8:16       ` Ryan Roberts
2023-04-13 16:54       ` Catalin Marinas
2023-04-13 16:54         ` Catalin Marinas
2023-03-06 19:54 ` [PATCH v2 03/12] KVM: arm64: Add ARM64_HAS_LPA2 CPU capability Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-03-06 19:54 ` [PATCH v2 04/12] KVM: arm64: Add new (V)TCR_EL2 field definitions for FEAT_LPA2 Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-04-12 16:36   ` Catalin Marinas
2023-04-12 16:36     ` Catalin Marinas
2023-03-06 19:54 ` [PATCH v2 05/12] KVM: arm64: Use LPA2 page-tables for stage2 if HW supports it Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-03-06 19:54 ` [PATCH v2 06/12] KVM: arm64: Use LPA2 page-tables for hyp stage1 " Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-04-12 17:06   ` Catalin Marinas
2023-04-12 17:06     ` Catalin Marinas
2023-04-13  8:27     ` Ryan Roberts
2023-04-13  8:27       ` Ryan Roberts
2023-03-06 19:54 ` [PATCH v2 07/12] KVM: arm64: Insert PS field at TCR_EL2 assembly time Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-03-06 19:54 ` [PATCH v2 08/12] KVM: arm64: Convert translation level parameter to s8 Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-03-06 19:54 ` [PATCH v2 09/12] KVM: arm64: Support up to 5 levels of translation in kvm_pgtable Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-03-06 20:02   ` Ryan Roberts
2023-03-06 20:02     ` Ryan Roberts
2023-03-06 19:54 ` [PATCH v2 10/12] KVM: arm64: Allow guests with >48-bit IPA size on FEAT_LPA2 systems Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-03-06 19:54 ` [PATCH v2 11/12] KVM: selftests: arm64: Determine max ipa size per-page size Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-03-06 19:54 ` [PATCH v2 12/12] KVM: selftests: arm64: Support P52V48 4K and 16K guest_modes Ryan Roberts
2023-03-06 19:54   ` Ryan Roberts
2023-03-06 20:04   ` Ryan Roberts
2023-03-06 20:04     ` Ryan Roberts
2023-04-17 10:43 ` [PATCH v2 00/12] KVM: arm64: Support FEAT_LPA2 at hyp s1 and vm s2 Ryan Roberts
2023-04-17 10:43   ` Ryan Roberts

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