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 6F29AC021A0 for ; Wed, 12 Feb 2025 11:08:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NOeWhTTTmJw+cRV1iLSsKeEmy87nigqJau3tOOpaj6U=; b=mN/vJIwmnE/tE5lghwdPnh+1i3 QuhiqnHqSlnxhPWgG7CcHojwyx020UJyUTDbjFbK8rvU9aYmAKbOJiwOnuT/XVFPwDbH2xQfSjnAy h7rcevTMb+/5dtRYzLc7J7qw0ucHyZ2YZlgvF3uon7dEQ54ct3lP+Wm5zhGBzwIGq5RpR8yL/PIQe MvQM6C5IYZVdRh8OpMOIQZpx1iE2AXMT1fFUwdP4AHtFKr9hHObq1mDTgKAGWunIdi0WWoLIMyhhK nrXgQz4MDVqWvmuCxsuD61RLtWhRMRCIAb3wRKVPCBcTp5K3yk7Q3zS3A4vEjW9H5s4IgERu0aJ9W OyMwRO/Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tiAbl-000000076v6-1cam; Wed, 12 Feb 2025 11:08:45 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tiAYP-000000076L9-3kO8 for linux-arm-kernel@lists.infradead.org; Wed, 12 Feb 2025 11:05:19 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 3733F106F; Wed, 12 Feb 2025 03:05:38 -0800 (PST) Received: from J2N7QTR9R3 (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0CD233F6A8; Wed, 12 Feb 2025 03:05:15 -0800 (PST) Date: Wed, 12 Feb 2025 11:05:07 +0000 From: Mark Rutland To: Mark Brown Cc: Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] arm64: Add missing registrations of hwcaps Message-ID: References: <20250212-arm64-fix-2024-dpisa-v2-1-67a1c11d6001@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250212-arm64-fix-2024-dpisa-v2-1-67a1c11d6001@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250212_030517_972159_D5FB203F X-CRM114-Status: GOOD ( 16.89 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Feb 12, 2025 at 12:30:42AM +0000, Mark Brown wrote: > Commit 819935464cb2 ("arm64/hwcap: Describe 2024 dpISA extensions to > userspace") added definitions for HWCAP_FPRCVT, HWCAP_F8MM8 and > HWCAP_F8MM4 but did not include the crucial registration in > arm64_elf_hwcaps. Add it. > > Fixes: 819935464cb2 ("arm64/hwcap: Describe 2024 dpISA extensions to userspace") > Reported-by: Mark Rutland > Signed-off-by: Mark Brown Thanks for the respin. Acked-by: Mark Rutland Mark. > --- > Changes in v2: > - Add FPRCVT. > - Link to v1: https://lore.kernel.org/r/20250210-arm64-fix-2024-dpisa-v1-1-d77f43c7b253@kernel.org > --- > arch/arm64/kernel/cpufeature.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c > index f0910f20fbf8c18fbeb63bcee18abf13371b1d5e..d561cf3b8ac7b11784282dc889852ef52a7b8f6e 100644 > --- a/arch/arm64/kernel/cpufeature.c > +++ b/arch/arm64/kernel/cpufeature.c > @@ -3091,6 +3091,7 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = { > HWCAP_CAP(ID_AA64ISAR0_EL1, TS, FLAGM, CAP_HWCAP, KERNEL_HWCAP_FLAGM), > HWCAP_CAP(ID_AA64ISAR0_EL1, TS, FLAGM2, CAP_HWCAP, KERNEL_HWCAP_FLAGM2), > HWCAP_CAP(ID_AA64ISAR0_EL1, RNDR, IMP, CAP_HWCAP, KERNEL_HWCAP_RNG), > + HWCAP_CAP(ID_AA64ISAR3_EL1, FPRCVT, IMP, CAP_HWCAP, KERNEL_HWCAP_FPRCVT), > HWCAP_CAP(ID_AA64PFR0_EL1, FP, IMP, CAP_HWCAP, KERNEL_HWCAP_FP), > HWCAP_CAP(ID_AA64PFR0_EL1, FP, FP16, CAP_HWCAP, KERNEL_HWCAP_FPHP), > HWCAP_CAP(ID_AA64PFR0_EL1, AdvSIMD, IMP, CAP_HWCAP, KERNEL_HWCAP_ASIMD), > @@ -3190,6 +3191,8 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = { > HWCAP_CAP(ID_AA64FPFR0_EL1, F8FMA, IMP, CAP_HWCAP, KERNEL_HWCAP_F8FMA), > HWCAP_CAP(ID_AA64FPFR0_EL1, F8DP4, IMP, CAP_HWCAP, KERNEL_HWCAP_F8DP4), > HWCAP_CAP(ID_AA64FPFR0_EL1, F8DP2, IMP, CAP_HWCAP, KERNEL_HWCAP_F8DP2), > + HWCAP_CAP(ID_AA64FPFR0_EL1, F8MM8, IMP, CAP_HWCAP, KERNEL_HWCAP_F8MM8), > + HWCAP_CAP(ID_AA64FPFR0_EL1, F8MM4, IMP, CAP_HWCAP, KERNEL_HWCAP_F8MM4), > HWCAP_CAP(ID_AA64FPFR0_EL1, F8E4M3, IMP, CAP_HWCAP, KERNEL_HWCAP_F8E4M3), > HWCAP_CAP(ID_AA64FPFR0_EL1, F8E5M2, IMP, CAP_HWCAP, KERNEL_HWCAP_F8E5M2), > #ifdef CONFIG_ARM64_POE > > --- > base-commit: 21fed7c223e20e694b91dbf25936d922a50c8b19 > change-id: 20250207-arm64-fix-2024-dpisa-635a5961609c > > Best regards, > -- > Mark Brown >