From: Oliver Upton <oliver.upton@linux.dev>
To: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, ardb@kernel.org,
bertrand.marquis@arm.com, boris.ostrovsky@oracle.com,
broonie@kernel.org, catalin.marinas@arm.com,
daniel.lezcano@linaro.org, james.morse@arm.com, jgross@suse.com,
kristina.martsenko@arm.com, maz@kernel.org, pcc@google.com,
sstabellini@kernel.org, suzuki.poulose@arm.com,
tglx@linutronix.de, vladimir.murzin@arm.com, will@kernel.org
Subject: Re: [PATCH v3 09/38] arm64: kvm: Use cpus_have_final_cap() explicitly
Date: Mon, 16 Oct 2023 19:29:18 +0000 [thread overview]
Message-ID: <ZS2PDl0j1_4quiFt@linux.dev> (raw)
In-Reply-To: <20231010103139.3113421-10-mark.rutland@arm.com>
nit: '$ARCH: KVM:' is typically used for KVM guest PV changes, I think
you want 'KVM: arm64'.
But who really cares.
On Tue, Oct 10, 2023 at 11:31:10AM +0100, Mark Rutland wrote:
> Much of the arm64 KVM code uses cpus_have_const_cap() to check for
> cpucaps, but this is unnecessary and it would be preferable to use
> cpus_have_final_cap().
[...]
> Signed-off-by: Mark Rutland <mark.rutland@arm.com>
> Reviewed-by: Marc Zyngier <maz@kernel.org>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Oliver Upton <oliver.upton@linux.dev>
> Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
> Cc: Will Deacon <will@kernel.org>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
--
Thanks,
Oliver
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next prev parent reply other threads:[~2023-10-16 19:30 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-10 10:31 [PATCH v3 00/38] arm64: Remove cpus_have_const_cap() Mark Rutland
2023-10-10 10:31 ` [PATCH v3 01/38] clocksource/drivers/arm_arch_timer: Initialize evtstrm after finalizing cpucaps Mark Rutland
2023-10-10 10:31 ` [PATCH v3 02/38] arm64/arm: xen: enlighten: Fix KPTI checks Mark Rutland
2023-10-10 10:31 ` [PATCH v3 03/38] arm64: Factor out cpucap definitions Mark Rutland
2023-10-10 10:31 ` [PATCH v3 04/38] arm64: Add cpucap_is_possible() Mark Rutland
2023-10-10 10:31 ` [PATCH v3 05/38] arm64: Add cpus_have_final_boot_cap() Mark Rutland
2023-10-10 10:31 ` [PATCH v3 06/38] arm64: Rework setup_cpu_features() Mark Rutland
2023-10-10 10:31 ` [PATCH v3 07/38] arm64: Fixup user features at boot time Mark Rutland
2023-10-10 10:31 ` [PATCH v3 08/38] arm64: Split kpti_install_ng_mappings() Mark Rutland
2023-10-10 10:31 ` [PATCH v3 09/38] arm64: kvm: Use cpus_have_final_cap() explicitly Mark Rutland
2023-10-16 19:29 ` Oliver Upton [this message]
2023-10-10 10:31 ` [PATCH v3 10/38] arm64: Explicitly save/restore CPACR when probing SVE and SME Mark Rutland
2023-10-10 10:31 ` [PATCH v3 11/38] arm64: Use build-time assertions for cpucap ordering Mark Rutland
2023-10-10 10:31 ` [PATCH v3 12/38] arm64: Rename SVE/SME cpu_enable functions Mark Rutland
2023-10-10 10:31 ` [PATCH v3 13/38] arm64: Use a positive cpucap for FP/SIMD Mark Rutland
2023-10-10 10:31 ` [PATCH v3 14/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_{ADDRESS,GENERIC}_AUTH Mark Rutland
2023-10-10 10:31 ` [PATCH v3 15/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_ARMv8_4_TTL Mark Rutland
2023-10-10 10:31 ` [PATCH v3 16/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_BTI Mark Rutland
2023-10-10 10:31 ` [PATCH v3 17/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_CACHE_DIC Mark Rutland
2023-10-10 10:31 ` [PATCH v3 18/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_CNP Mark Rutland
2023-10-10 10:31 ` [PATCH v3 19/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_DIT Mark Rutland
2023-10-10 10:31 ` [PATCH v3 20/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_GIC_PRIO_MASKING Mark Rutland
2023-10-10 10:31 ` [PATCH v3 21/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_PAN Mark Rutland
2023-10-10 10:31 ` [PATCH v3 22/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_EPAN Mark Rutland
2023-10-10 10:31 ` [PATCH v3 23/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_RNG Mark Rutland
2023-10-10 10:31 ` [PATCH v3 24/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_WFXT Mark Rutland
2023-10-10 10:31 ` [PATCH v3 25/38] arm64: Avoid cpus_have_const_cap() for ARM64_HAS_TLB_RANGE Mark Rutland
2023-10-10 10:31 ` [PATCH v3 26/38] arm64: Avoid cpus_have_const_cap() for ARM64_MTE Mark Rutland
2023-10-10 10:31 ` [PATCH v3 27/38] arm64: Avoid cpus_have_const_cap() for ARM64_SSBS Mark Rutland
2023-10-10 10:31 ` [PATCH v3 28/38] arm64: Avoid cpus_have_const_cap() for ARM64_SPECTRE_V2 Mark Rutland
2023-10-10 10:31 ` [PATCH v3 29/38] arm64: Avoid cpus_have_const_cap() for ARM64_{SVE,SME,SME2,FA64} Mark Rutland
2023-10-10 10:31 ` [PATCH v3 30/38] arm64: Avoid cpus_have_const_cap() for ARM64_UNMAP_KERNEL_AT_EL0 Mark Rutland
2023-10-10 10:31 ` [PATCH v3 31/38] arm64: Avoid cpus_have_const_cap() for ARM64_WORKAROUND_843419 Mark Rutland
2023-10-10 10:31 ` [PATCH v3 32/38] arm64: Avoid cpus_have_const_cap() for ARM64_WORKAROUND_1542419 Mark Rutland
2023-10-10 10:31 ` [PATCH v3 33/38] arm64: Avoid cpus_have_const_cap() for ARM64_WORKAROUND_1742098 Mark Rutland
2023-10-13 10:53 ` Mark Rutland
2023-10-13 18:04 ` Catalin Marinas
2023-10-16 10:08 ` Mark Rutland
2023-10-10 10:31 ` [PATCH v3 34/38] arm64: Avoid cpus_have_const_cap() for ARM64_WORKAROUND_2645198 Mark Rutland
2023-10-10 10:31 ` [PATCH v3 35/38] arm64: Avoid cpus_have_const_cap() for ARM64_WORKAROUND_CAVIUM_23154 Mark Rutland
2023-10-10 10:31 ` [PATCH v3 36/38] arm64: Avoid cpus_have_const_cap() for ARM64_WORKAROUND_NVIDIA_CARMEL_CNP Mark Rutland
2023-10-10 10:31 ` [PATCH v3 37/38] arm64: Avoid cpus_have_const_cap() for ARM64_WORKAROUND_REPEAT_TLBI Mark Rutland
2023-10-10 10:31 ` [PATCH v3 38/38] arm64: Remove cpus_have_const_cap() Mark Rutland
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