[PATCH 2/8] arm64: Add compat hwcap FPHP and ASIMDHP

Amit Kachhap amit.kachhap at arm.com
Wed Nov 9 20:18:59 PST 2022



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

Thanks,
Amit

> 
> Will



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