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 mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22C14C433F5 for ; Wed, 23 Feb 2022 15:27:37 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 6F8AB4C5E8; Wed, 23 Feb 2022 10:27:37 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id z+kbXOzMcYd2; Wed, 23 Feb 2022 10:27:36 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 20E7A4C5DE; Wed, 23 Feb 2022 10:27:36 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 9451F4C5DC for ; Wed, 23 Feb 2022 10:27:34 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Ig0OQdwAnuWX for ; Wed, 23 Feb 2022 10:27:33 -0500 (EST) Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 4EECD4C5CF for ; Wed, 23 Feb 2022 10:27:33 -0500 (EST) 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 E18D9B8207A; Wed, 23 Feb 2022 15:27:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B22BEC340E7; Wed, 23 Feb 2022 15:27:27 +0000 (UTC) Date: Wed, 23 Feb 2022 15:27:24 +0000 From: Catalin Marinas To: Mark Brown Subject: Re: [PATCH v11 23/40] arm64/sme: Add ptrace support for ZA Message-ID: References: <20220207152109.197566-1-broonie@kernel.org> <20220207152109.197566-24-broonie@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220207152109.197566-24-broonie@kernel.org> Cc: Basant Kumar Dwivedi , Will Deacon , Luis Machado , Szabolcs Nagy , Marc Zyngier , Shuah Khan , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Alan Hayward , Shuah Khan , kvmarm@lists.cs.columbia.edu, Salil Akerkar X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Mon, Feb 07, 2022 at 03:20:52PM +0000, Mark Brown wrote: > The ZA array can be read and written with the NT_ARM_ZA. Similarly to > our interface for the SVE vector registers the regset consists of a > header with information on the current vector length followed by an > optional register data payload, represented as for signals as a series > of horizontal vectors from 0 to VL/8 in the endianness independent > format used for vectors. > > On get if ZA is enabled then register data will be provided, otherwise > it will be omitted. On set if register data is provided then ZA is > enabled and initialized using the provided data, otherwise it is > disabled. > > Signed-off-by: Mark Brown The patch looks fine to be but I'd like Luis to look at the ptrace ABI in this series. Reviewed-by: Catalin Marinas _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm