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 338DDC3DA4A for ; Fri, 16 Aug 2024 11:13:41 +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=0UmVk3m6BfQYdrdNxU1TI28NNROFPII1kaxSGDvaYDg=; b=DW1RQ0HtnWYhWT fVS7R/fyxMfNgjYCAhaCUKKl+9PnkWhNWMM7yG3LQ/dHkK/rhriMWqb2ajhLqwR6l7ONoRQmVvGRh OMyQdETS8SP2O2amTyyKlO1HyQjYkSZ32Lmz74gx/GOLTYDnlMzk87qfIEIykor9rczuJr9ogv7IP S2Xc6s7ilj5JrWJ6H9bNAB7cfE0Kx83uxg3hU4NpBJD+DsFHbJqVugr3sekz7VE5KK8dXMFVulDxL OexlsHMU9qyukyrBvftV95R+jleRPwHuki83Sq6MJaxX4g/4Dk8Og71G+pw8DaAZ18pcxJi65sc62 J3/EEXo2XlC/qYIryJ9A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1seutl-0000000Cj7V-3MH0; Fri, 16 Aug 2024 11:13:37 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1seut5-0000000CiyF-2lWt; Fri, 16 Aug 2024 11:12:57 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 009BA61DF8; Fri, 16 Aug 2024 11:12:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5B1F3C4AF0C; Fri, 16 Aug 2024 11:12:49 +0000 (UTC) Date: Fri, 16 Aug 2024 12:12:47 +0100 From: Catalin Marinas To: Mark Brown Cc: Will Deacon , Jonathan Corbet , Andrew Morton , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Arnd Bergmann , Oleg Nesterov , Eric Biederman , Shuah Khan , "Rick P. Edgecombe" , Deepak Gupta , Ard Biesheuvel , Szabolcs Nagy , Kees Cook , "H.J. Lu" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Florian Weimer , Christian Brauner , Thiago Jung Bauermann , Ross Burton , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v10 08/40] arm64/gcs: Provide put_user_gcs() Message-ID: References: <20240801-arm64-gcs-v10-0-699e2bd2190b@kernel.org> <20240801-arm64-gcs-v10-8-699e2bd2190b@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240801-arm64-gcs-v10-8-699e2bd2190b@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240816_041255_759792_656A71F8 X-CRM114-Status: UNSURE ( 8.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, Aug 01, 2024 at 01:06:35PM +0100, Mark Brown wrote: > In order for EL1 to write to an EL0 GCS it must use the GCSSTTR instruction > rather than a normal STTR. Provide a put_user_gcs() which does this. > > Reviewed-by: Thiago Jung Bauermann > Signed-off-by: Mark Brown Reviewed-by: Catalin Marinas _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv