From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3BE731E9B0F; Tue, 7 Jan 2025 17:16:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736270174; cv=none; b=uKvdiyl8vVjZzGdqNItQtVnDCSsYlTOkPoVq16kTS1MCvCtHm+RQG3bhs1KkGJxCrQfnjbCqfgAPR7TfXlSki5YMYVHpiEJa0v2LRsENWlsy8X/S2rNfXg36vBy5G330IRV2weDvfN16LG5QT5wA1GChbEC9M17V6rewsixQpoQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736270174; c=relaxed/simple; bh=7zZK4HnjoM+8nD7CCL8TwDVBKWJFzLY4fLR46la0oek=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=umO57EmvsxwugR8aX4P6GMoYMH8s4dDoEGaaCVEmhOkU5S8i9g6OzHWDLon5X/d/le9CXSxlDVLU/eRyMENB57JZ/MtM+cY/ZWVOEIZgEa3qFQgvnPv9YpoG+PBbvl2LFLipkqQbNIfeYqVo0MLqidyX1Xp3odEZPIMEBhSOcVs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=W1tlShfb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="W1tlShfb" 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) Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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.