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 D149BC433EF for ; Wed, 23 Feb 2022 15:32:58 +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=Koe6d03evs3q0WjNoahRgBSFFMuONID/dMgEztu9zuI=; b=APkFkS/ip3J9qs VjsqHjXjUDwjoUMB2vPxYYKP9sgM8nzzjffPL1ADepwq+TfTjGh8mXmMh9NCbTBQJSyMXFcVA4KN4 MH5A36CpPPAOf3V/3aU7la0O60lonbykF076crbKFweFe6AD3ULMol0FZ9tRoLt7jhWQL0srh9fdG rgeg3hMigAGkYnuKo5De2TJOBhfM5UMMTnsX0X+hMbDDH6rUow6aIl7P+YXlNMMQJ3Z5iXzCJQ+Ko QGRaaa9soh6U3vFjWUdU/n3fPTfGVVOJ+lm3zZ6hBM3nTennqmy3GSb4UMVdTkh5OePkBUNpsQzXl vtK4l8dzALlQrR/Q9zGw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nMtcM-00F2WL-UC; Wed, 23 Feb 2022 15:31:51 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nMtcI-00F2Ug-P5 for linux-arm-kernel@lists.infradead.org; Wed, 23 Feb 2022 15:31:48 +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 68E0EB8207A; Wed, 23 Feb 2022 15:31:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0248DC340EB; Wed, 23 Feb 2022 15:31:40 +0000 (UTC) Date: Wed, 23 Feb 2022 15:31:37 +0000 From: Catalin Marinas To: Mark Brown Cc: Will Deacon , Marc Zyngier , Shuah Khan , Shuah Khan , Alan Hayward , Luis Machado , Salil Akerkar , Basant Kumar Dwivedi , Szabolcs Nagy , James Morse , Alexandru Elisei , Suzuki K Poulose , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, kvmarm@lists.cs.columbia.edu Subject: Re: [PATCH v11 25/40] arm64/sme: Save and restore streaming mode over EFI runtime calls Message-ID: References: <20220207152109.197566-1-broonie@kernel.org> <20220207152109.197566-26-broonie@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220207152109.197566-26-broonie@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220223_073146_985299_AEE8C1C7 X-CRM114-Status: GOOD ( 12.69 ) 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 Mon, Feb 07, 2022 at 03:20:54PM +0000, Mark Brown wrote: > When saving and restoring the floating point state over an EFI runtime > call ensure that we handle streaming mode, only handling FFR if we are not > in streaming mode and ensuring that we are in normal mode over the call > into runtime services. > > We currently assume that ZA will not be modified by runtime services, the > specification is not yet finalised so this may need updating if that > changes. > > Signed-off-by: Mark Brown Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel