From mboxrd@z Thu Jan 1 00:00:00 1970 From: gregkh@linuxfoundation.org (Greg KH) Date: Fri, 5 Jan 2018 08:57:32 +0100 Subject: [PATCH v3] arm64: v8.4: Support for new floating point multiplication instructions In-Reply-To: References: <1513160036-41377-1-git-send-email-gengdongjiu@huawei.com> <73019dea-3e2c-8d03-fe1a-6c54527fa401@arm.com> Message-ID: <20180105075732.GA8801@kroah.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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? thanks, greg k-h From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751388AbeAEH5b (ORCPT + 1 other); Fri, 5 Jan 2018 02:57:31 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:58976 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751235AbeAEH5a (ORCPT ); Fri, 5 Jan 2018 02:57:30 -0500 Date: Fri, 5 Jan 2018 08:57:32 +0100 From: Greg KH To: gengdongjiu Cc: Suzuki K Poulose , catalin.marinas@arm.com, will.deacon@arm.com, corbet@lwn.net, mark.rutland@arm.com, Dave.Martin@arm.com, robin.murphy@arm.com, arvind.yadav.cs@gmail.com, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linuxarm@huawei.com, huangshaoyu@huawei.com, guohanjun@huawei.com, zhanghaibin7@huawei.com, zhihui.gao@huawei.com Subject: Re: [PATCH v3] arm64: v8.4: Support for new floating point multiplication instructions Message-ID: <20180105075732.GA8801@kroah.com> References: <1513160036-41377-1-git-send-email-gengdongjiu@huawei.com> <73019dea-3e2c-8d03-fe1a-6c54527fa401@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: 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? thanks, greg k-h