From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965505AbeBMScd (ORCPT ); Tue, 13 Feb 2018 13:32:33 -0500 Received: from mail-lf0-f65.google.com ([209.85.215.65]:44365 "EHLO mail-lf0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965365AbeBMSc2 (ORCPT ); Tue, 13 Feb 2018 13:32:28 -0500 X-Google-Smtp-Source: AH8x225lYy5oSoD4f8bl/aNFhnKA/SvgXzwUEFT84/aUjvL3xVJXkdpbOvJErYBcIlKlxcq/fA2l/Q== Date: Tue, 13 Feb 2018 21:32:24 +0300 From: Cyrill Gorcunov To: kirill.shutemov@linux.intel.com Cc: linux-tip-commits@vger.kernel.org, bp@suse.de, luto@amacapital.net, peterz@infradead.org, mingo@kernel.org, hpa@zytor.com, willy@infradead.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, tglx@linutronix.de Subject: Re: [tip:x86/boot] x86/boot/compressed/64: Prepare trampoline memory Message-ID: <20180213183224.GC17395@uranus.lan> References: <20180209142228.21231-4-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Feb 11, 2018 at 04:19:38AM -0800, tip-bot for Kirill A. Shutemov wrote: ... > diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S > index d598d65..af9ffbd 100644 > --- a/arch/x86/boot/compressed/head_64.S > +++ b/arch/x86/boot/compressed/head_64.S ... > @@ -586,3 +604,7 @@ pgtable: > .fill BOOT_PGT_SIZE, 1, 0 > lvl5_pgtable: > .fill PAGE_SIZE, 1, 0 > + > + .global pgtable_trampoline > +pgtable_trampoline: > + .fill 4096, 1, 0 Btw, Kirill, while you're at this code: 4096 might be changed to PAGE_SIZE I think. (of course on top of the series, when you have a spare minute, just for polishing)