From: Marc Zyngier <maz@kernel.org>
To: Vladimir Murzin <vladimir.murzin@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com,
mark.rutland@arm.com, will@kernel.org
Subject: Re: [PATCH v2 0/4] arm64: Support of PAuth QARMA3 architected algorithm
Date: Sat, 05 Feb 2022 10:27:56 +0000 [thread overview]
Message-ID: <87ee4h38wj.wl-maz@kernel.org> (raw)
In-Reply-To: <20220131170654.62381-1-vladimir.murzin@arm.com>
On Mon, 31 Jan 2022 17:06:50 +0000,
Vladimir Murzin <vladimir.murzin@arm.com> wrote:
>
> QARMA3 is relaxed version of the QARMA5 algorithm which expected to
> reduce the latency of calculation while still delivering a suitable
> level of security.
>
> Feature advertised via a new ID fields in ID_AA64ISAR2_EL1 [1], so we
> need to teach the kernel to identify this.
>
> [1] https://developer.arm.com/documentation/ddi0601/2021-12/AArch64-Registers/ID-AA64ISAR2-EL1--AArch64-Instruction-Set-Attribute-Register-2?lang=en
>
>
> Changelog:
>
> v1 -> v2
> - Removed unintended whitespace change in sysreg.h
> - FTR_ALIAS_OPTION_LEN now accounts null terminator
> - Extract only APA3 bits from ID_AA64ISAR2_APA3_SHIFT (in
> contrast to id_aa64isar1_el1 where both APA and API bits
> are extracted) in asm_pointer_auth.h
>
> Thanks!
>
> Vladimir Murzin (4):
> arm64: cpufeature: Account min_field_value when cheking secondaries
> for PAuth
> arm64: cpufeature: Warn if mutually exclusive PAuth algorithms
> detected
> arm64: cpufeature: Mark existing PAuth architected algorithm as QARMA5
> arm64: Add support of PAuth QARMA3 architected algorithm
For the series:
Reviewed-by: Marc Zyngier <maz@kernel.org>
M.
--
Without deviation from the norm, progress is not possible.
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prev parent reply other threads:[~2022-02-05 10:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-31 17:06 [PATCH v2 0/4] arm64: Support of PAuth QARMA3 architected algorithm Vladimir Murzin
2022-01-31 17:06 ` [PATCH v2 1/4] arm64: cpufeature: Account min_field_value when cheking secondaries for PAuth Vladimir Murzin
2022-02-04 18:13 ` Catalin Marinas
2022-01-31 17:06 ` [PATCH v2 2/4] arm64: cpufeature: Warn if mutually exclusive PAuth algorithms detected Vladimir Murzin
2022-02-04 18:16 ` Catalin Marinas
2022-01-31 17:06 ` [PATCH v2 3/4] arm64: cpufeature: Mark existing PAuth architected algorithm as QARMA5 Vladimir Murzin
2022-02-04 18:18 ` Catalin Marinas
2022-01-31 17:06 ` [PATCH v2 4/4] arm64: Add support of PAuth QARMA3 architected algorithm Vladimir Murzin
2022-02-04 18:42 ` Catalin Marinas
2022-02-15 18:21 ` Will Deacon
2022-02-21 14:47 ` Vladimir Murzin
2022-02-22 21:50 ` Will Deacon
2022-02-23 11:20 ` Vladimir Murzin
2022-02-24 9:49 ` Will Deacon
2022-01-31 17:38 ` [PATCH v2 0/4] arm64: Support " Vladimir Murzin
2022-02-05 10:27 ` Marc Zyngier [this message]
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