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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14483C433E1 for ; Mon, 6 Jul 2020 12:54:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E5F0820786 for ; Mon, 6 Jul 2020 12:54:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594040098; bh=dhWuPpmAVk+44oMBcMvSwUdvIZADnaHzjuY66vjxD+E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=t4W3YLrwT8SwwuW8gBpMptYSbWVJIhzXkmdKyIjbyp2mXn0HQEWn0zs5EHe7z74yg VMkCqtrpIX6b35ui7cbZjy3eCc7Ar9opSwGNHQPpn5wAsWRhW9tvKsOpeVJVc0sWG/ oSdU5k0nOoSjgN4zLxFzAplTbbc0K385SqFYOmq0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729147AbgGFMy4 (ORCPT ); Mon, 6 Jul 2020 08:54:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:40648 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728940AbgGFMy4 (ORCPT ); Mon, 6 Jul 2020 08:54:56 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 532D420786; Mon, 6 Jul 2020 12:54:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594040095; bh=dhWuPpmAVk+44oMBcMvSwUdvIZADnaHzjuY66vjxD+E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vB3mdaahuhIWl8QNuhyQKJFSTee8umh+Jk9Xl2jisHEAFS/pe/pyk4QtN/n6Vrdms XOz1m+BNpPJMGvwj8iGATUiPp7a4JIm2gZnogV3jhG5od0yj7vnUHSl7uq61lSmSGe 1d9NJtjqvHstcwKF1tq9VwNMgCJ2bofe99GQsGhg= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jsQe5-009SCo-Ee; Mon, 06 Jul 2020 13:54:54 +0100 From: Marc Zyngier To: Catalin Marinas , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Cc: Andre Przywara , Christoffer Dall , Dave Martin , Jintack Lim , Alexandru Elisei , George Cherian , "Zengtao (B)" , Andrew Scull , Will Deacon , Mark Rutland , James Morse , Julien Thierry , Suzuki K Poulose , kernel-team@android.com Subject: [PATCH v3 03/17] arm64: Document SW reserved PTE/PMD bits in Stage-2 descriptors Date: Mon, 6 Jul 2020 13:54:11 +0100 Message-Id: <20200706125425.1671020-4-maz@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200706125425.1671020-1-maz@kernel.org> References: <20200706125425.1671020-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, andre.przywara@arm.com, christoffer.dall@arm.com, Dave.Martin@arm.com, jintack@cs.columbia.edu, alexandru.elisei@arm.com, gcherian@marvell.com, prime.zeng@hisilicon.com, ascull@google.com, will@kernel.org, mark.rutland@arm.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Advertise bits [58:55] as reserved for SW in the S2 descriptors. Reviewed-by: Andrew Scull Signed-off-by: Marc Zyngier --- arch/arm64/include/asm/pgtable-hwdef.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h index 9c91a8f93a0e..de0b603955f4 100644 --- a/arch/arm64/include/asm/pgtable-hwdef.h +++ b/arch/arm64/include/asm/pgtable-hwdef.h @@ -178,10 +178,12 @@ #define PTE_S2_RDONLY (_AT(pteval_t, 1) << 6) /* HAP[2:1] */ #define PTE_S2_RDWR (_AT(pteval_t, 3) << 6) /* HAP[2:1] */ #define PTE_S2_XN (_AT(pteval_t, 2) << 53) /* XN[1:0] */ +#define PTE_S2_SW_RESVD (_AT(pteval_t, 15) << 55) /* Reserved for SW */ #define PMD_S2_RDONLY (_AT(pmdval_t, 1) << 6) /* HAP[2:1] */ #define PMD_S2_RDWR (_AT(pmdval_t, 3) << 6) /* HAP[2:1] */ #define PMD_S2_XN (_AT(pmdval_t, 2) << 53) /* XN[1:0] */ +#define PMD_S2_SW_RESVD (_AT(pmdval_t, 15) << 55) /* Reserved for SW */ #define PUD_S2_RDONLY (_AT(pudval_t, 1) << 6) /* HAP[2:1] */ #define PUD_S2_RDWR (_AT(pudval_t, 3) << 6) /* HAP[2:1] */ -- 2.27.0