Received: by 2002:a25:23cc:0:0:0:0:0 with SMTP id j195csp817919ybj; Thu, 7 May 2020 08:17:53 -0700 (PDT) X-Google-Smtp-Source: APiQypIaMYRJQPm6orVLDRn0ZN9WExmw00Ba/8yzkyYCzs+sm/PL7bSjCFXbOobdi3uGqvn9bugA X-Received: by 2002:a17:906:770b:: with SMTP id q11mr12376237ejm.224.1588864673004; Thu, 07 May 2020 08:17:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588864672; cv=none; d=google.com; s=arc-20160816; b=XLkGcUpis8pc31KqNwl0AJxZ1v29HBV1CiNd2+4nGts2kT/2IH5Ah7Myoq2EHagYWv XSDru6zK3kxvncScRnWw0GGKUerOEFH1e8UxOSh1ypcTV/MKz0K6PBml8yvkOCKKKFTq lIv4Hpw9ljSps27tdjEUU4Hzp9Yh02HONt1NrUMKxHD6KGki3pSG3SX6A3leHegtlsQs dKGpTNFUGHCGt7SkgcV+4YPsp24WNC3AQrAp8JpJ8XZ6dlU3pMIM/+yLRTchVlW5temS cB4iuWTCGVvitUKkFSEtE06/IS2nH7dpHzO5XwfPA2AvXUhk5fsG+57buL1gCG4oRdzv kCYQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:user-agent:references :in-reply-to:subject:cc:to:from:date:content-transfer-encoding :mime-version:dkim-signature; bh=srTIxpHJ/HnqYDznV39IWSslx+n6IfMlTob0ujNXPms=; b=mIuDVWjzwlfK6uyZMM7RovJKxKRi/dteJgejmphU8BHdczLCksZedqnGTSH9cQz5jT SVd9NOtzmV6cCfy2kDyzvHb1smSyEfiO0DJvM6rkhx0Y94EXH0SbQqr92gYLyQ0I0szl pYTSVjuU5+Fpb0ZL1ov8Um8ryYZL4dKEqAANB5eGEgs/IhRlwTpuQUIwEe84+FMW2qbv uXtkY1VFYm14r/N98PFVLBckrusiZ67UgVmFQIVB31yjkrRIxRlDJecqBw5ku9brJcjF VFOdJow0lAw5Vb1QK5tvBkixLxXlDIHDyZx75CDPAPlfUMsVVEEk2/ug7Oq22NU/UDJb Z8Og== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=zudqrwOE; 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=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p8si3502121ejz.441.2020.05.07.08.17.29; Thu, 07 May 2020 08:17:52 -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; dkim=pass header.i=@kernel.org header.s=default header.b=zudqrwOE; 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=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726864AbgEGPP5 (ORCPT + 99 others); Thu, 7 May 2020 11:15:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:44054 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726451AbgEGPP5 (ORCPT ); Thu, 7 May 2020 11:15:57 -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 D392B207DD; Thu, 7 May 2020 15:15:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588864557; bh=ux/WK4BgpiCCy4diPu3bKfY8AWDQXyNVDGkRY8G5x9M=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=zudqrwOEUY4DrnXjGQ98u/M9JwOEVc2mYKgd2qyD6usz0b0wVhGN/ItZFzVXLo0R7 bP62RQIzzwzc3uL2VJdZi2SHW+rxNi7LR0aaVg4gaXWAOjCUwANHAFCk9luv2am+7G +BzQ4FAUUMp2mZIeSATcsMXvjbtawZA3Rrhf9u5k= Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1jWiFf-00AJoN-6T; Thu, 07 May 2020 16:15:55 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 07 May 2020 16:15:55 +0100 From: Marc Zyngier To: David Brazdil Cc: Suzuki K Poulose , Catalin Marinas , linux-kernel@vger.kernel.org, James Morse , linux-arm-kernel@lists.infradead.org, Will Deacon , kvmarm@lists.cs.columbia.edu, Julien Thierry Subject: Re: [PATCH 05/15] arm64: kvm: Build hyp-entry.S separately for VHE/nVHE In-Reply-To: <87imh72379.wl-maz@kernel.org> References: <20200430144831.59194-1-dbrazdil@google.com> <20200430144831.59194-6-dbrazdil@google.com> <87imh72379.wl-maz@kernel.org> User-Agent: Roundcube Webmail/1.4.3 Message-ID: X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: dbrazdil@google.com, suzuki.poulose@arm.com, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, james.morse@arm.com, linux-arm-kernel@lists.infradead.org, will@kernel.org, kvmarm@lists.cs.columbia.edu, julien.thierry.kdev@gmail.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-05-07 16:07, Marc Zyngier wrote: > On Thu, 30 Apr 2020 15:48:21 +0100, > David Brazdil wrote: [...] >> hyp-entry.S contains implementation of KVM hyp vectors. This code is >> mostly >> shared between VHE/nVHE, therefore compile it under both VHE and nVHE >> build >> rules, with small differences hidden behind '#ifdef __HYPERVISOR__'. >> These are: >> * only nVHE should handle host HVCs, VHE will now panic, > > That's not true. VHE does handle HVCs from the guest. If you make VHE > panic on guest exit, I'll come after you! ;-) Duh, I can't read. "host HVCs". You can relax. ;-) M. -- Jazz is not dead. It just smells funny...