Received: by 10.223.176.5 with SMTP id f5csp4226913wra; Tue, 30 Jan 2018 04:11:50 -0800 (PST) X-Google-Smtp-Source: AH8x225F+Itvnwu6EMPG6kXR6TBvP+J9cZbrtE/Z/vjUUKyakpTyl2dI8KcJZhaGZ0v6RzQCF1Hb X-Received: by 2002:a17:902:b492:: with SMTP id y18-v6mr15764146plr.437.1517314310147; Tue, 30 Jan 2018 04:11:50 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517314310; cv=none; d=google.com; s=arc-20160816; b=kNm1lnqry3y8pwlcbLDkFh27Neb9IYwG8KF4WULAmeSdrK45hQsV3wh+Kp5rgzqNZn DKvg2a8EeP09mLpQwVyP2ZecfGmfxvSWgxh33X8dAeDG78lus17o6VjZxtCWlXPO5fGN N7BgJDriSPykYwcDiVjhcGlufZF1Df0iFeUdwYP8jNUv7SsvFodL+XyyaOHf9yOUN+Xz bkUJ2y88ZvIjwS0zso7e7SSXtwMUEDOBL/f+W9CAeqCM9JWyrNzLQoU3p7srgMb/HEfq rZYN0ixI17Z30lx+KgdhZaIHS0FH/vP6eOHDrf92rOj1w4WkfwJyCs2UknfRLxMCEnmS REjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:organization:from:references:cc:to:subject :arc-authentication-results; bh=Vmsv/FrMvcEDpunDznOYtuWfNTmq83fSFTeNl0o3jxo=; b=DQHd2fr3fN94+6Qme29cJlO67OL+jxDWftImtjBQwEO7tXJotAGDnoBuNENE6yifbV rhNSCZ5a6rPaPzR8zlMn7+hHLfKitY03LxlopF+NrzFBprkh1OT5YUp2+C1+JvekFFgl VEnP9w8zIiyRxZaer/fIwD6P9Ega9zEJJrL4TZUKq1EHMIihQK6K977tCFc8Y8NI7eKB JyAYPXbBYI4w7gWk3RUl+aAo4yFcW3KN/+4yEUHzCH5p6dScJItAwo7j3DFTdlR5usvn wfJ7FsDayMr0glAL4dj7aPswEwdR/vq4sov+FTot8To+lP/dNZr98G2u0GPAeUw1Z9Jj eLWA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z8-v6si92368pll.462.2018.01.30.04.11.35; Tue, 30 Jan 2018 04:11:50 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751974AbeA3MKo (ORCPT + 99 others); Tue, 30 Jan 2018 07:10:44 -0500 Received: from foss.arm.com ([217.140.101.70]:52874 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751572AbeA3MKm (ORCPT ); Tue, 30 Jan 2018 07:10:42 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 08C8C80D; Tue, 30 Jan 2018 04:10:42 -0800 (PST) Received: from [10.1.207.62] (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 057FE3F41F; Tue, 30 Jan 2018 04:10:39 -0800 (PST) Subject: Re: [PATCH v2 16/16] arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support To: Ard Biesheuvel Cc: Linux Kernel Mailing List , linux-arm-kernel , kvmarm , Catalin Marinas , Will Deacon , Peter Maydell , Christoffer Dall , Lorenzo Pieralisi , Mark Rutland , Robin Murphy , Jon Masters References: <20180129174559.1866-1-marc.zyngier@arm.com> <20180129174559.1866-17-marc.zyngier@arm.com> From: Marc Zyngier Organization: ARM Ltd Message-ID: <27fb84a6-d2a0-2d49-0e99-4a8bb8b32ac9@arm.com> Date: Tue, 30 Jan 2018 12:10:38 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29/01/18 19:41, Ard Biesheuvel wrote: > On 29 January 2018 at 17:45, Marc Zyngier wrote: >> Add the detection and runtime code for ARM_SMCCC_ARCH_WORKAROUND_1. >> It is lovely. Really. >> >> Signed-off-by: Marc Zyngier >> --- >> arch/arm64/include/asm/kvm_psci.h | 63 ++++++++++++++++++++++++++++++++++++ >> arch/arm64/kernel/bpi.S | 20 ++++++++++++ >> arch/arm64/kernel/cpu_errata.c | 68 ++++++++++++++++++++++++++++++++++++++- >> 3 files changed, 150 insertions(+), 1 deletion(-) >> create mode 100644 arch/arm64/include/asm/kvm_psci.h >> >> diff --git a/arch/arm64/include/asm/kvm_psci.h b/arch/arm64/include/asm/kvm_psci.h > > Did you mean to add this file? It is mostly identical to include/kvm/arm_psci.h No, that's yet another patch splitting mistake. I'll drop it. Thanks, M. -- Jazz is not dead. It just smells funny...