From mboxrd@z Thu Jan 1 00:00:00 1970 From: gengdongjiu@huawei.com (gengdongjiu) Date: Fri, 5 Jan 2018 16:22:24 +0800 Subject: [PATCH v3] arm64: v8.4: Support for new floating point multiplication instructions In-Reply-To: <20180105075732.GA8801@kroah.com> References: <1513160036-41377-1-git-send-email-gengdongjiu@huawei.com> <73019dea-3e2c-8d03-fe1a-6c54527fa401@arm.com> <20180105075732.GA8801@kroah.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 2018/1/5 15:57, Greg KH wrote: > On Fri, Jan 05, 2018 at 09:22:54AM +0800, gengdongjiu wrote: >> 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 >>>> Cc: Suzuki K Poulose >>>> Signed-off-by: Dongjiu Geng >>>> Reviewed-by: Dave Martin >>> >>> Looks good to me. >>> >>> Reviewed-by: Suzuki K Poulose >> >> sorry to disturb you. Reminder, hope this patch can be applied to Linux 4.15-rc7. > > New features should not be going into 4.15-rc, that should be a 4.16-rc1 > thing, right? It is also great if it can be applied to 4.16-rc1. Thanks a lot! > > thanks, > > greg k-h > > . >