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From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Amit Daniel Kachhap <amit.kachhap@arm.com>
Cc: patches@armlinux.org.uk, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/8] ARM: Expose Armv8 AArch32 features via hwcap
Date: Mon, 21 Nov 2022 19:04:41 +0000	[thread overview]
Message-ID: <Y3vLyUuTHGfbY8A5@shell.armlinux.org.uk> (raw)
In-Reply-To: <20221026055001.12986-1-amit.kachhap@arm.com>

On Wed, Oct 26, 2022 at 11:19:53AM +0530, Amit Daniel Kachhap wrote:
> Hi All,
> 
> This series advertise availability of Armv8 features present in AArch32
> state. These features are mostly Advanced SIMD(fphp, asimdhp, dp,
> fhm, bf16, i8mm) and few others(sb ssbs). These features are already exposed
> to user in arm64 kernel. A similar series advertising the features in
> arm64 kernel in compat mode will be sent separately.
> 
> Some other remaining features(SPECRES,  ETS, nTLBPA, CSV3, LSMAOC) are not
> advertised in arm64 kernel so left here also.
> 
> The entire series is divided feature wise as present in Armv8 manual.
> The details of these features can be found in Armv8 architecture
> reference manual available from
> https://developer.arm.com/documentation/ddi0487/gb/?lang=en
> 
> All the changes have been tested on Arm FVP Base Revc model after adding
> necessary model parameters.
> 
> The series is based on Linux 6.1-rc1.

Hi Amit,

Please could you list which CPUs support running aarch32 _and_ support
these features?

Thanks!

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

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  parent reply	other threads:[~2022-11-21 19:07 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-26  5:49 [PATCH 0/8] ARM: Expose Armv8 AArch32 features via hwcap Amit Daniel Kachhap
2022-10-26  5:49 ` [PATCH 1/8] ARM: Define Armv8 registers in AArch32 state Amit Daniel Kachhap
2022-10-26  5:49 ` [PATCH 2/8] ARM: vfp: Add hwcap FPHP and ASIMDHP for FEAT_FP16 Amit Daniel Kachhap
2022-10-26  5:49 ` [PATCH 3/8] ARM: vfp: Add hwcap for FEAT_DotProd Amit Daniel Kachhap
2022-10-26  5:49 ` [PATCH 4/8] ARM: vfp: Add hwcap for FEAT_FHM Amit Daniel Kachhap
2022-10-26  5:49 ` [PATCH 5/8] ARM: vfp: Add hwcap for FEAT_AA32BF16 Amit Daniel Kachhap
2022-10-26  5:49 ` [PATCH 6/8] ARM: vfp: Add hwcap for FEAT_AA32I8MM Amit Daniel Kachhap
2022-10-26  5:50 ` [PATCH 7/8] ARM: Add hwcap for Speculation Barrier(SB) Amit Daniel Kachhap
2022-11-16 14:06   ` Linus Walleij
2022-11-17 10:19     ` Amit Daniel Kachhap
2022-11-17 11:14     ` Robin Murphy
2022-10-26  5:50 ` [PATCH 8/8] ARM: Add hwcap for Speculative Store Bypassing Safe Amit Daniel Kachhap
2022-11-16 13:51 ` [PATCH 0/8] ARM: Expose Armv8 AArch32 features via hwcap Linus Walleij
2022-11-17  6:19   ` Amit Kachhap
2022-11-21 19:04 ` Russell King (Oracle) [this message]
2022-11-22 12:24   ` Amit Daniel Kachhap

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