From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f198.google.com (mail-pf0-f198.google.com [209.85.192.198]) by kanga.kvack.org (Postfix) with ESMTP id F0C476B0253 for ; Thu, 7 Dec 2017 03:17:17 -0500 (EST) Received: by mail-pf0-f198.google.com with SMTP id p17so4992423pfh.18 for ; Thu, 07 Dec 2017 00:17:17 -0800 (PST) Received: from bombadil.infradead.org (bombadil.infradead.org. [65.50.211.133]) by mx.google.com with ESMTPS id z7si3226613pgv.94.2017.12.07.00.17.15 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 07 Dec 2017 00:17:15 -0800 (PST) Date: Thu, 7 Dec 2017 00:17:00 -0800 From: Matthew Wilcox Subject: Re: [PATCHv4 3/4] x86/boot/compressed/64: Introduce place_trampoline() Message-ID: <20171207081659.GC2739@bombadil.infradead.org> References: <20171205135942.24634-1-kirill.shutemov@linux.intel.com> <20171205135942.24634-4-kirill.shutemov@linux.intel.com> <20171207063048.w46rrq2euzhtym3j@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171207063048.w46rrq2euzhtym3j@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Ingo Molnar Cc: "Kirill A. Shutemov" , Ingo Molnar , x86@kernel.org, Thomas Gleixner , "H. Peter Anvin" , Linus Torvalds , Andy Lutomirski , Cyrill Gorcunov , Borislav Petkov , Andi Kleen , linux-mm@kvack.org, linux-kernel@vger.kernel.org On Thu, Dec 07, 2017 at 07:30:48AM +0100, Ingo Molnar wrote: > > But if the bootloader put the kernel above 4G (not sure if anybody does > > this), we would loose control as soon as paging is disabled as code > > becomes unreachable. > > Yeah, so instead of the double 'as' which is syntactically right but a bit > confusing to read, how about something like: > > But if the bootloader put the kernel above 4G (not sure if anybody does > this), we would loose control as soon as paging is disabled, because the > code becomes unreachable to the CPU. btw, it's "lose control". -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org