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 27D8DC433F5 for ; Thu, 26 May 2022 21:08:11 +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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=j5327kIjQOi3h37AHexLja/55L5gfjZr64V92eDEDLg=; b=HZaCu0qvH0J4y8 yFJeNeJ1Jz9M/2H+Z8WCIJGjwpYkEW0rm/Bg9mmaM1Z2+2WnpIKcdNyKCCssGxGXt4VsijFc2wr3j LaO7kyrfjYTl7kQLWJpQtRKToNVLxOAK3P41EgeTwCuMKnETJdkCe+1rg2O/thTBzUGWU/Jbp2Wal SnyVXv6JsC50dZYSfc9yTqhvQlEi+Zwz+qaq/GCUPErjHFRdXLiBC61EetPE1ZaP3glpAmF6LrQ58 6WMUjaiGqHgiUf3u7vKzzZBO8Fi+aihIdQg52IAuVBLWzMR821xvNVO6tnD5bAju7e4m462r2JnVG 2bbxKoYKerYfhNcGmbkw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nuKi9-00FyHK-Eu; Thu, 26 May 2022 21:08:01 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nuKXP-00Fu2Z-Uf for linux-riscv@lists.infradead.org; Thu, 26 May 2022 20:56:57 +0000 Received: from ip5b412258.dynamic.kabel-deutschland.de ([91.65.34.88] helo=phil.lan) by gloria.sntech.de with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nuKXK-0006ZH-8K; Thu, 26 May 2022 22:56:50 +0200 From: Heiko Stuebner To: palmer@dabbelt.com, paul.walmsley@sifive.com Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, wefu@redhat.com, guoren@kernel.org, mick@ics.forth.gr, samuel@sholland.org, cmuellner@linux.com, philipp.tomsich@vrull.eu, hch@lst.de, Heiko Stuebner Subject: [PATCH v2 2/5] riscv: Improve description for RISCV_ISA_SVPBMT Kconfig symbol Date: Thu, 26 May 2022 22:56:43 +0200 Message-Id: <20220526205646.258337-3-heiko@sntech.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220526205646.258337-1-heiko@sntech.de> References: <20220526205646.258337-1-heiko@sntech.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220526_135656_043457_155C396E X-CRM114-Status: GOOD ( 11.47 ) 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 This improves the symbol's description to make it easier for people to understand what it is about. Suggested-by: Christoph Hellwig Suggested-by: Philipp Tomsich Signed-off-by: Heiko Stuebner --- arch/riscv/Kconfig | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 65285b980134..a4b299ad4473 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -356,8 +356,13 @@ config RISCV_ISA_SVPBMT select RISCV_ALTERNATIVE default y help - Adds support to dynamically detect the presence of the SVPBMT extension - (Supervisor-mode: page-based memory types) and enable its usage. + Adds support to dynamically detect the presence of the SVPBMT + ISA-extension (Supervisor-mode: page-based memory types) and + enable its usage. + + The memory type for a page contains a combination of attributes + that indicate the cacheability, idempotency, and ordering + properties for access to that page. The SVPBMT extension is only available on 64Bit cpus. -- 2.35.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv