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 24BDFE77197 for ; Tue, 7 Jan 2025 17:37:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Subject:Cc:To:From:Message-ID: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=ucO3OAVpnhk3JI/E8npgQ3COdBL3B1AQLYTMLBtzsk8=; b=BNlygHPFDBDUkQ1NxkxlOzAy92 tyGXps9it+Gk8exZ7wBNR1JVww1pAc5cqvN+bC6CvssECo/vRqdFr3qQRKSgccK5nlL0J1lmtW2ic AX36UaNTKH7mSr6gbtd1sTW2LEj/B7R6maAeTb11Yn/SuvicUS/LAhFcQwFVd7+RDgSzvxSh8ki+g ATNY8i2Ju3+BVAbDwDlsvIlnuK8P7KoQ8wOFHA/qOBR2VvGkSj/OB91Oe1f+Wk8JlUuOFGsLI6XXb o7zD0TTkYSp4z3TJ4VVE3J8zPKYRl3p6bs+OYINPfqFGM3CZnzqHfM5JYT05vyaMZBtdFE1asgqIg 9Z01q4xg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tVDWH-00000005svo-1ocf; Tue, 07 Jan 2025 17:37:33 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tVDBe-00000005omn-3iNI for linux-arm-kernel@lists.infradead.org; Tue, 07 Jan 2025 17:16:16 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 5A2B7A41ABB; Tue, 7 Jan 2025 17:14:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B19F3C4CEDE; Tue, 7 Jan 2025 17:16:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736270173; bh=7zZK4HnjoM+8nD7CCL8TwDVBKWJFzLY4fLR46la0oek=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=W1tlShfb7sEMb+UaBdXk2+9BgKOZFkQ7y0eO9LSvm1dWFBDkDRkJBl4bf/hMQCXiR QmjO7Q39wMW/cLab/G+2hzOBXunKJ4lMwLWs+ODjSYzVgQrYi+wGbmJM1MiLqvfjIB osf/+K5hufEgN/6eKYnH0FjOoh5gXxFaLETZQGHBI05QCbedwd8x4NYOUyjHdPRkB0 7zXwRbaT/en+CNsGhEUKlnFR8vsuc6baABlt+SfXlgNjjUojS8+WKRmI76muPYtasV 6A8nD0Ezjz4cwlKeYuWYJZwJNr64LWFt4XMbXsr6OIjO5mfro/1wbKYu5XOm9dmo5L 0ioWBuNcmaNDw== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1tVDBb-009sRL-At; Tue, 07 Jan 2025 17:16:11 +0000 Date: Tue, 07 Jan 2025 17:16:10 +0000 Message-ID: <861pxey279.wl-maz@kernel.org> From: Marc Zyngier To: Mark Brown Cc: Catalin Marinas , Will Deacon , Jonathan Corbet , Oliver Upton , Joey Gouly , Suzuki K Poulose , Shuah Khan , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v4 8/9] KVM: arm64: Allow control of dpISA extensions in ID_AA64ISAR3_EL1 In-Reply-To: <20241211-arm64-2024-dpisa-v4-8-0fd403876df2@kernel.org> References: <20241211-arm64-2024-dpisa-v4-0-0fd403876df2@kernel.org> <20241211-arm64-2024-dpisa-v4-8-0fd403876df2@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/29.4 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: broonie@kernel.org, catalin.marinas@arm.com, will@kernel.org, corbet@lwn.net, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, shuah@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250107_091614_984676_0D2D8EEF X-CRM114-Status: GOOD ( 12.20 ) 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, 11 Dec 2024 01:02:53 +0000, Mark Brown wrote: > > ID_AA64ISAR3_EL1 is currently marked as unallocated in KVM but does have a > number of bitfields defined in it. Expose FPRCVT and FAMINMAX, two simple > instruction only extensions to guests. > > Signed-off-by: Mark Brown Reviewed-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible.