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From: Amit Kachhap <amit.kachhap@arm.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Russell King <linux@armlinux.org.uk>,
	patches@armlinux.org.uk, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/8] ARM: Expose Armv8 AArch32 features via hwcap
Date: Thu, 17 Nov 2022 11:49:34 +0530	[thread overview]
Message-ID: <a4871370-0ca9-f47d-e082-12824917dfb5@arm.com> (raw)
In-Reply-To: <CACRpkdZwAy0c_dN+657f9AL9xLuaZkW+14Xy06yEKEiVUS-MpA@mail.gmail.com>



On 11/16/22 19:21, Linus Walleij wrote:
> On Wed, Oct 26, 2022 at 7:51 AM Amit Daniel Kachhap
> <amit.kachhap@arm.com> wrote:
> 
>> 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.
> 
> These all make sense and the patches are fairly trivial, so:
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> 
> I was just looking at Marcins feature matrix of some systems found
> in the wild to see which systems will benefit from this and it includes
> Apple M1 and other interesting stuff:
> https://marcin.juszkiewicz.com.pl/download/tables/arm-socs.html
> 
> Can you please put these patches into Russell's patch tracker?

Thanks for the feedback. I submitted them to Russell's patch tracker
with your Reviewed-by.

Amit
> 
> I might add some comment to some patch just for discussion
> but the patches are fine.
> 
> Yours,
> Linus Walleij

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  reply	other threads:[~2022-11-17  6:20 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 [this message]
2022-11-21 19:04 ` Russell King (Oracle)
2022-11-22 12:24   ` Amit Daniel Kachhap

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