From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D4C69C4332F for ; Tue, 15 Nov 2022 15:33:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9dncmZco70XDuzHKLX0Rn+1cfB2hsnNvYhiVJx3kNC0=; b=JCPW3HCtT3rxOi ipta3PEokZpVOd+r519GxCEEAnKlIaRgRo7PQFZI/Y/lELvVt18t4QQDCGd2M9k3xwcEvBRPK3E6C 7q7euplm1HMaFxq5K60v+PnoFLIeLujqDEg4Wo6dYx7ymUVRUtpD/j+o0VkRqgAzH51DXzH8z3iJZ GBsR3ISEWJot18J1tcC0+MpAnVGA1gbCuAZNeYuwOAfqATnnCEXwSo69hLxjDjf054MDANQvFQlZZ VKLDX2ItJ0Depsx1RprzZWw1HUAMuubtANcNFjH8Zzb5LJJchQpxLANlRcZpIJU+0rNiV5E5XPrRx UkcM8qYUR2dOPIQuc59w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouxvR-00CKq6-BN; Tue, 15 Nov 2022 15:32:37 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouxv9-00CKdg-Sq for linux-arm-kernel@lists.infradead.org; Tue, 15 Nov 2022 15:32:21 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 9DDDBB8199B; Tue, 15 Nov 2022 15:32:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F71EC433D6; Tue, 15 Nov 2022 15:32:14 +0000 (UTC) Date: Tue, 15 Nov 2022 15:32:09 +0000 From: Catalin Marinas To: Amit Kachhap Cc: Will Deacon , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 2/8] arm64: Add compat hwcap FPHP and ASIMDHP Message-ID: References: <20221026055813.13484-1-amit.kachhap@arm.com> <20221026055813.13484-3-amit.kachhap@arm.com> <20221109175959.GA24806@willie-the-truck> <759e6744-5841-be92-34d8-c280c79b4c16@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <759e6744-5841-be92-34d8-c280c79b4c16@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221115_073220_132999_4DB758A0 X-CRM114-Status: GOOD ( 19.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel