From: Catalin Marinas <catalin.marinas@arm.com>
To: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: linux-kernel@vger.kernel.org, Will Deacon <will@kernel.org>,
Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Mark Brown <broonie@kernel.org>,
Ryan Roberts <ryan.roberts@arm.com>,
kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Namhyung Kim <namhyung@kernel.org>, Leo Yan <leo.yan@arm.com>
Subject: Re: [PATCH V6 1/3] tools: header: arm64: Replace TCR_NFD[0|1] with TCR_EL1_NFD[0|1]
Date: Mon, 3 Nov 2025 17:31:27 +0000 [thread overview]
Message-ID: <aQjm7wmvHa79hkyi@arm.com> (raw)
In-Reply-To: <20251013052945.2197190-2-anshuman.khandual@arm.com>
On Mon, Oct 13, 2025 at 10:59:43AM +0530, Anshuman Khandual wrote:
> Replace TCR_NFD[0|1] (used in TCR_CLEAR_FUJITSU_ERRATUM_010001) with field
> definitions which are available in tool sysreg format. Helps in completely
> dropping off the adhoc TCR_NFD[0|1] macros later.
>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
> Cc: Namhyung Kim <namhyung@kernel.org>
> Cc: Leo Yan <leo.yan@arm.com>
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
> ---
> tools/arch/arm64/include/asm/cputype.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/arch/arm64/include/asm/cputype.h b/tools/arch/arm64/include/asm/cputype.h
> index 139d5e87dc95..dfa12df5e290 100644
> --- a/tools/arch/arm64/include/asm/cputype.h
> +++ b/tools/arch/arm64/include/asm/cputype.h
> @@ -243,7 +243,7 @@
> /* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */
> #define MIDR_FUJITSU_ERRATUM_010001 MIDR_FUJITSU_A64FX
> #define MIDR_FUJITSU_ERRATUM_010001_MASK (~MIDR_CPU_VAR_REV(1, 0))
> -#define TCR_CLEAR_FUJITSU_ERRATUM_010001 (TCR_NFD1 | TCR_NFD0)
> +#define TCR_CLEAR_FUJITSU_ERRATUM_010001 (TCR_EL1_NFD1 | TCR_EL1_NFD0)
Isn't this file usually updated automatically (well, someone running a
script to sync) from the corresponding arch/arm64/ one?
--
Catalin
next prev parent reply other threads:[~2025-11-03 17:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-13 5:29 [PATCH V6 0/3] arm64/sysreg: Clean up TCR_EL1 field macros Anshuman Khandual
2025-10-13 5:29 ` [PATCH V6 1/3] tools: header: arm64: Replace TCR_NFD[0|1] with TCR_EL1_NFD[0|1] Anshuman Khandual
2025-11-03 17:31 ` Catalin Marinas [this message]
2025-11-03 18:03 ` Leo Yan
2025-11-13 9:09 ` Anshuman Khandual
2025-10-13 5:29 ` [PATCH V6 2/3] arm64/sysreg: Replace TCR_EL1 field macros Anshuman Khandual
2025-10-13 5:29 ` [PATCH V6 3/3] KVM: arm64: Move inside all required TCR_XXX macros Anshuman Khandual
2025-11-13 18:59 ` (subset) [PATCH V6 0/3] arm64/sysreg: Clean up TCR_EL1 field macros Catalin Marinas
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