From patchwork Tue Jul 23 21:35:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Grall X-Patchwork-Id: 169564 Delivered-To: patch@linaro.org Received: by 2002:a92:4782:0:0:0:0:0 with SMTP id e2csp9377091ilk; Tue, 23 Jul 2019 14:37:38 -0700 (PDT) X-Google-Smtp-Source: APXvYqxwQ4Gm7TIgx8rnUFgW37rhRY7ImgE0RbB8pCOf7iHk8XUe2uunOag4cKXdgmaJ4GZdcx2e X-Received: by 2002:a6b:6d08:: with SMTP id a8mr64889533iod.191.1563917858124; Tue, 23 Jul 2019 14:37:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1563917858; cv=none; d=google.com; s=arc-20160816; b=nEerhC55fyCwsK7SJzgn/RUL1fs4PavUXSpYLhiLopaQWHr/jMQEQC7NbeJs4nwFO3 uSgRz7nRCY+FJpU9A/lZKgKNf+VP65R+3ldTdag9AZptIGMPCBJ6xNLeCs6jg++v+ko5 R2bvsnMliACNznUWb/fATmDitx2KOTWLtH2iUtxulChJsYacIRRppOUOLYkBNYSpo7GL fskNhnnOI9BzIVft7JBlPZXdAdJTtZZmIJtdoXEU5VJYCMoMH4+zlSFx1XNvCtNcDMSk k3RHnCIKhauEd8yKwXWHghIyzIXlSeeYmCbqGLG74hH9SOur5XhlFOIlWNnUleudDPQB NjLQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version:cc :list-subscribe:list-help:list-post:list-unsubscribe:list-id :precedence:subject:message-id:date:to:from; bh=ozs2VTtY/BVRsonwGRdpNntrNFbBt74Z+bMb6z8H4HI=; b=o/PBqmjWCNhU4uLClobxj18Qvc77rb8zx0dEWFZ+d08HxwKu87bY9MdWvYfSetL3OE DYTgGtCFwApm0u79xCQnjLPr9xPYs6UDDF/Lly5OU+dzru7U9ESW4sIMXoFClAOXYOye GLCEWa23WwA6MyNMpeF08QIY4cZASqmlGMIPrE5oRhr1Ir5Ho/wXO9LrjIaB9UXy8DiE 2noaW6tyfxjIcamnBFfkdaERv3GznKzTGb5t//N7Yue1o38Ig7t/xTlMMQHAhF0Y3y0b rNU9Q65GIKHdHrxIGhpTY6ybxgllULZLlJuLW15P+qf2shod1I2R3w2hVw6CVAOAtlqj YK/g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of xen-devel-bounces@lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org. [192.237.175.120]) by mx.google.com with ESMTPS id g12si70975833jao.11.2019.07.23.14.37.38 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 23 Jul 2019 14:37:38 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of xen-devel-bounces@lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of xen-devel-bounces@lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hq2S4-0001vF-0H; Tue, 23 Jul 2019 21:36:04 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hq2S2-0001vA-HZ for xen-devel@lists.xenproject.org; Tue, 23 Jul 2019 21:36:02 +0000 X-Inumbo-ID: dcf360ae-ad91-11e9-93d8-a38452e62f58 Received: from foss.arm.com (unknown [217.140.110.172]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTP id dcf360ae-ad91-11e9-93d8-a38452e62f58; Tue, 23 Jul 2019 21:36:00 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C868A28; Tue, 23 Jul 2019 14:35:59 -0700 (PDT) Received: from e108454-lin.cambridge.arm.com (e108454-lin.cambridge.arm.com [10.1.196.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C36173F71F; Tue, 23 Jul 2019 14:35:58 -0700 (PDT) From: Julien Grall To: xen-devel@lists.xenproject.org Date: Tue, 23 Jul 2019 22:35:46 +0100 Message-Id: <20190723213553.22300-1-julien.grall@arm.com> X-Mailer: git-send-email 2.11.0 Subject: [Xen-devel] [PATCH 0/7] xen/arm: Xen hardening for newer Armv8 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Wei Liu , George Dunlap , Ian Jackson , Julien Grall , Volodymyr Babchuk MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Hi all, This is a not-yet complete series to harden Xen for later revision of Armv8. The main goals are: - Reducing the number of BUG_ON() to check guest state - Fix system registers size as they are always 64-bit on AArch64 (not 32-bit!). There are more work to do. I will send them in smaller batch as I find spare time to rework bits of Xen. Note that patch #1 was already sent separately but added here for convenience. Cheers, Julien Grall (7): xen/public: arch-arm: Restrict the visibility of struct vcpu_guest_core_regs xen/arm: SCTLR_EL1 is a 64-bit register on Arm64 xen/arm: Rework psr_mode_is_32bit() xen/arm: traps: Avoid using BUG_ON() in _show_registers() xen/arm: traps: Avoid BUG_ON() in do_trap_brk() xen/arm: vsmc: The function identifier is always 32-bit xen/arm: types: Specify the zero padding in the definition of PRIregister tools/xentrace/xenctx.c | 4 ++- xen/arch/arm/guest_walk.c | 2 +- xen/arch/arm/traps.c | 73 ++++++++++++++++++++----------------------- xen/arch/arm/vsmc.c | 4 +-- xen/include/asm-arm/domain.h | 3 +- xen/include/asm-arm/p2m.h | 4 +-- xen/include/asm-arm/regs.h | 9 +++++- xen/include/asm-arm/types.h | 4 +-- xen/include/public/arch-arm.h | 28 ++++++++--------- 9 files changed, 68 insertions(+), 63 deletions(-)