From: Catalin Marinas <catalin.marinas@arm.com>
To: Amit Kachhap <amit.kachhap@arm.com>
Cc: Will Deacon <will@kernel.org>, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/8] arm64: Add compat hwcap FPHP and ASIMDHP
Date: Tue, 15 Nov 2022 15:32:09 +0000 [thread overview]
Message-ID: <Y3Ow+c37SH+a11LW@arm.com> (raw)
In-Reply-To: <759e6744-5841-be92-34d8-c280c79b4c16@arm.com>
On Thu, Nov 10, 2022 at 09:48:59AM +0530, Amit Kachhap wrote:
> On 11/9/22 23:30, Will Deacon wrote:
> > On Wed, Oct 26, 2022 at 11:28:07AM +0530, Amit Daniel Kachhap wrote:
> > > These hwcaps are earlier added for 32-bit native arm kernel and hence the
> > > corresponding changes added in 32-bit compat arm64 kernel for similar
> > > userspace interface. Floating point half-precision (FPHP) and Advanced
> > > SIMD half-precision (ASIMDHP) represent the Armv8 FP16 feature extension
> > > and is already advertised in arm64 kernel.
> >
> > Can you provide a pointer to the commit adding these for arch/arm/, please?
> > I've not been able to spot them in linux-next so I'm a bit confused.
>
> Those arch/arm/ patches are not merged yet. I only posted in the mailing
> list.
> Here is the link to it. http://lists.infradead.org/pipermail/linux-arm-kernel/2022-October/784016.html
We'd need to get the arm32 changes reviewed and merged first before we
can take the arm64 compat counterpart.
--
Catalin
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next prev parent reply other threads:[~2022-11-15 15:33 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-26 5:58 [PATCH 0/8] arm64: Expose compat Armv8 AArch32 features Amit Daniel Kachhap
2022-10-26 5:58 ` [PATCH 1/8] arm64: cpufeature: Fix the visibility of compat hwcaps Amit Daniel Kachhap
2022-10-26 15:15 ` James Morse
2022-11-02 10:47 ` Amit Kachhap
2022-11-01 19:07 ` Catalin Marinas
2022-10-26 5:58 ` [PATCH 2/8] arm64: Add compat hwcap FPHP and ASIMDHP Amit Daniel Kachhap
2022-11-09 18:00 ` Will Deacon
2022-11-10 4:18 ` Amit Kachhap
2022-11-15 15:32 ` Catalin Marinas [this message]
2022-10-26 5:58 ` [PATCH 3/8] arm64: Add compat hwcap ASIMDDP Amit Daniel Kachhap
2022-10-26 5:58 ` [PATCH 4/8] arm64: Add compat hwcap ASIMDFHM Amit Daniel Kachhap
2022-10-26 5:58 ` [PATCH 5/8] arm64: Add compat hwcap ASIMDBF16 Amit Daniel Kachhap
2022-10-26 5:58 ` [PATCH 6/8] arm64: Add compat hwcap I8MM Amit Daniel Kachhap
2022-10-26 5:58 ` [PATCH 7/8] arm64: Add compat hwcap SB Amit Daniel Kachhap
2022-10-26 5:58 ` [PATCH 8/8] arm64: Add compat hwcap SSBS Amit Daniel Kachhap
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