linux-kernel - Re: [PATCH v3] arm64: v8.4: Support for new floating point multiplication instructions

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Date:   Fri, 5 Jan 2018 09:22:54 +0800
From:   gengdongjiu <gengdongjiu@...wei.com>
To:     Suzuki K Poulose <Suzuki.Poulose@....com>,
        <catalin.marinas@....com>, <will.deacon@....com>, <corbet@....net>,
        <mark.rutland@....com>, <Dave.Martin@....com>,
        <robin.murphy@....com>, <gregkh@...uxfoundation.org>,
        <arvind.yadav.cs@...il.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>
CC:     <huangshaoyu@...wei.com>, <guohanjun@...wei.com>,
        <zhanghaibin7@...wei.com>, <zhihui.gao@...wei.com>,
        Linuxarm <linuxarm@...wei.com>
Subject: Re: [PATCH v3] arm64: v8.4: Support for new floating point
 multiplication instructions

Hi will/catalin

On 2017/12/13 18:09, Suzuki K Poulose wrote:
> On 13/12/17 10:13, Dongjiu Geng wrote:
>> ARM v8.4 extensions add new neon instructions for performing a
>> multiplication of each FP16 element of one vector with the corresponding
>> FP16 element of a second vector, and to add or subtract this without an
>> intermediate rounding to the corresponding FP32 element in a third vector.
>>
>> This patch detects this feature and let the userspace know about it via a
>> HWCAP bit and MRS emulation.
>>
>> Cc: Dave Martin <Dave.Martin@....com>
>> Cc: Suzuki K Poulose <suzuki.poulose@....com>
>> Signed-off-by: Dongjiu Geng <gengdongjiu@...wei.com>
>> Reviewed-by: Dave Martin <Dave.Martin@....com>
> 
> Looks good to me.
> 
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@....com>

 sorry to disturb you. Reminder, hope this patch can be applied to Linux 4.15-rc7.
 Thanks a lot in advance.

> 
> 
> .
>