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[23.128.96.18]) by mx.google.com with ESMTP id qw24si3266333ejb.416.2020.07.30.06.53.11; Thu, 30 Jul 2020 06:53:36 -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=lW33+vWw; 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 S1728296AbgG3NwP (ORCPT + 99 others); Thu, 30 Jul 2020 09:52:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:34836 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726281AbgG3NwO (ORCPT ); Thu, 30 Jul 2020 09:52:14 -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 C41022074B; Thu, 30 Jul 2020 13:52:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596117133; bh=r/gRPHhAPpag3PUKYG81HrzkMbvKm74zY6qgVadUZjM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lW33+vWwgbIQye4m0sYHmXGL3H7rTAzbHiJ1eDKwB8R1J09wLwKHSZ0LtxDlClk5Y +vzLimyF/jYeFL9cEY//YbEuC7jMhzmWJiHXFDoZVISyDlQggwd0lkJO5Nk/+rtAiI xmN+5VqQFXjPljqBGduHTpXq5qt33EcNlo7PfJQc= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=hot-poop.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k18yi-00GGvl-6w; Thu, 30 Jul 2020 14:52:12 +0100 From: Marc Zyngier To: Will Deacon , David Brazdil , Catalin Marinas Cc: kernel-team@google.com, clang-built-linux@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, android-kvm@google.com, kvmarm@lists.cs.columbia.edu Subject: Re: [PATCH] KVM: arm64: Ensure that all nVHE hyp code is in .hyp.text Date: Thu, 30 Jul 2020 14:52:09 +0100 Message-Id: <159611709973.1644456.15046238262603869142.b4-ty@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200730132519.48787-1-dbrazdil@google.com> References: <20200730132519.48787-1-dbrazdil@google.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: will@kernel.org, dbrazdil@google.com, catalin.marinas@arm.com, kernel-team@google.com, clang-built-linux@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, android-kvm@google.com, kvmarm@lists.cs.columbia.edu 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 Thu, 30 Jul 2020 14:25:19 +0100, David Brazdil wrote: > Some compilers may put a subset of generated functions into '.text.*' > ELF sections and the linker may leverage this division to optimize ELF > layout. Unfortunately, the recently introduced HYPCOPY command assumes > that all executable code (with the exception of specialized sections > such as '.hyp.idmap.text') is in the '.text' section. If this > assumption is broken, code in '.text.*' will be merged into kernel > proper '.text' instead of the '.hyp.text' that is mapped in EL2. > > [...] Applied to kvm-arm64/el2-obj-v4.1, thanks! [1/1] KVM: arm64: Ensure that all nVHE hyp code is in .hyp.text commit: bdbc0c7a070c0cbe3009cd271c6ec8d87d69cc7a Cheers, M. -- Without deviation from the norm, progress is not possible.