Received: by 2002:a05:6a10:1d13:0:0:0:0 with SMTP id pp19csp2864753pxb; Tue, 24 Aug 2021 09:21:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwGuYEiSEb6LxiRHu1+lSJKbL22XPIt/3wkQFkYoDFGvSF7FjtaSQ6iyNgFHSQb8YaiGmzi X-Received: by 2002:a92:d12:: with SMTP id 18mr12146712iln.287.1629822073920; Tue, 24 Aug 2021 09:21:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1629822073; cv=none; d=google.com; s=arc-20160816; b=mmT7yTqkEgxSXTVf6d5ZAZFP0va5WxsnT26thta9knowVfHdAiRRezrLZisQA14LzP FcTjY5Mm2JvUrxJp2++8ZXiGm4q55YP5rr4QFbDS+WQY3zoaco4mEqWRezyy5Dspvr31 zzMN0iWfyy2clkzDsjVV7yOsOJId7sTnN+2wt+eXRaedc66KoqlGXxuJioa57x0uGWIo Kmp1ea+7kE46juTOCWX1l9Ao3++jtaY3mOwAIX/2f5Z9t9qs3aqs8sTY24ka50S9HClG jISu0SqX442HjAqx69yDeaxP7DeVXqVOdGtX1/zfLa+uLZRBqgZpblAnbLLmxu7W79+2 m64Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=r93ZF5sD2z0ddRfMJEV4aeQp6CQ+JZAGMctJwbAM3Zk=; b=WDDA8aL4W4k2+hqyh2EIWSn6OAQdaPfRjOJ3tg957vj//u3QyBtV29/zsJlUcOLSOe 4E+31Qt0EBPQxHNfxqXroaktahdpfmaDzl/+RN6Z1agRjhnwabRBHqP1MghEZ+w9A8IV GtIEC+jGg2K2ZTbz3JC+mwIAbVTJraifkK2hVtiUcgn9+YVm33XrqZJRAlR6oLAeYsMA BcXOXLF0X7bR4hoht9/EzVPhRYuUZxP5WCRUHBt6486KZbl6/uhFjKA+WDTao6BZhf9/ 6lYd7cA0eCtLxrHA9wIDdHJIN6DS7NEQaLB+q/BSVss6YOJhvFPunLh0+hrUYKkzTq6R tNHw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id 6si18663205ilx.104.2021.08.24.09.21.01; Tue, 24 Aug 2021 09:21:13 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230265AbhHXQUA (ORCPT + 99 others); Tue, 24 Aug 2021 12:20:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:54312 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229713AbhHXQT7 (ORCPT ); Tue, 24 Aug 2021 12:19:59 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DBBDC6127B; Tue, 24 Aug 2021 16:19:13 +0000 (UTC) From: Catalin Marinas To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Marc Zyngier Cc: Will Deacon , Ard Biesheuvel , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Mark Rutland , kernel-team@android.com, bcm-kernel-feedback-list@broadcom.com, Florian Fainelli Subject: Re: (subset) [PATCH 0/5] arm64: Survival kit for SCR_EL3.HCE==0 conditions Date: Tue, 24 Aug 2021 17:19:07 +0100 Message-Id: <162982183775.27939.2596397506711756472.b4-ty@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210812190213.2601506-1-maz@kernel.org> References: <20210812190213.2601506-1-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 12 Aug 2021 20:02:08 +0100, Marc Zyngier wrote: > Anyone vaguely familiar with the ARMv8 architecture would quickly > understand that entering the kernel at EL2 without enabling the HVC > instruction is... living dangerously. But as it turns out [0], there > is a whole range of (*cough*) "high quality" (*cough*) Broadcom > systems out there configured exactly like that. > > If you are speechless, I'm right with you. > > [...] Applied to arm64 (for-next/misc), thanks! [5/5] arm64: Document the requirement for SCR_EL3.HCE https://git.kernel.org/arm64/c/e3849765037b -- Catalin