From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC186C433FF for ; Wed, 14 Aug 2019 11:10:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 938EA2083B for ; Wed, 14 Aug 2019 11:10:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=fireburn-co-uk.20150623.gappssmtp.com header.i=@fireburn-co-uk.20150623.gappssmtp.com header.b="f+18YRJ1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727411AbfHNLKL (ORCPT ); Wed, 14 Aug 2019 07:10:11 -0400 Received: from mail-qt1-f193.google.com ([209.85.160.193]:39653 "EHLO mail-qt1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725996AbfHNLKK (ORCPT ); Wed, 14 Aug 2019 07:10:10 -0400 Received: by mail-qt1-f193.google.com with SMTP id l9so109567549qtu.6 for ; Wed, 14 Aug 2019 04:10:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fireburn-co-uk.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=B32Wax03scMRHJx0YqLvq2dD5tNvHyjSP3ubTYlL/vY=; b=f+18YRJ13t1HJZOidK7xGJ5SH3ZrbTRTES34LXX4AHECjyX/tWeY9N4SVQaeJ7voHx yz6TZX5Dg7SkR6VHxvwWlcYzm5xQ8ehRPibMShT7mWoieAhVNZl0/bi+IP2KY4yxR9Cr R0Q0ayaXM058mE/57yVsb5ENbQp9POrgHajgvfDULm0/oA8dDHOkwhMTjv37oz5vsjbh Ydp+DXxyvpB9CjS1MBbKuwP2HKwc7ohKfoBoSq90Ka0mHFsV2N9VH8LfnS3Va0g5tz1k pbWZd0LzYWykghmgpyBcUfVhI9Uyx15DqaKtTIDILl5OVykZhk3mqDY9OlKexbMHVKbU pbLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=B32Wax03scMRHJx0YqLvq2dD5tNvHyjSP3ubTYlL/vY=; b=nLAPo4azxRer4YzYggdFVgl0lRTkfEYvmodgI7i2s/TtLCYT+c0ZjSXb9gF/BEKwMf XddokySg7z3XK5LzGwF5uB3Gqvx1+UZsyVHZK7fLCMHyaaKiATnsh8scUaPesn18eFVd 0sMXoT0sgJ0aGD1cl73XZfulubTp+AYkUfCYuWtgTqrmVaSfuoKfe1jIN011xRR1SFhj wnTHpIweYW8utjJHQ56JEP/d2VF8Bm6QOS2vjnTUAnb2nHqW557MctGX6uyLlvNGg3DX +rBsyA3QPK9TKWoLvMVhBjgQCF4LtAh38/kw8i3H3SEHxMn3I/yaAhUYA/NEY7J20iEa tpRg== X-Gm-Message-State: APjAAAVwfYlGSQ0iSIJEyo2r1YmGDna3EIU85ZPvY0UrpSZxWc8ny9zQ u0HkbSQkP8FETuaifnS2SGIg3MxHon1jT58GEqqX+A== X-Google-Smtp-Source: APXvYqwT6HhmEVC4IelNYd3H7GRJDkOi+S6Co7r3sKPD1xnVvtfkiIPDLrrKDM4KSoHMb3QZDa91tGK7EhPtwNLU36E= X-Received: by 2002:a0c:f701:: with SMTP id w1mr2114277qvn.195.1565781007230; Wed, 14 Aug 2019 04:10:07 -0700 (PDT) MIME-Version: 1.0 References: <20190723130513.GA25290@kroah.com> <20190723134454.GA7260@kroah.com> <20190724153416.GA27117@kroah.com> <20190724155735.GC5571@kroah.com> <20190724161634.GB10454@kroah.com> <20190725062447.GB5647@kroah.com> In-Reply-To: <20190725062447.GB5647@kroah.com> From: Mike Lothian Date: Wed, 14 Aug 2019 12:09:56 +0100 Message-ID: Subject: Re: [PATCH v3 1/2] x86/mm: Identify the end of the kernel area to be reserved To: Greg KH Cc: Thomas Gleixner , "H.J. Lu" , Tom Lendacky , bhe@redhat.com, Borislav Petkov , Dave Hansen , lijiang@redhat.com, Linux Kernel Mailing List , Andy Lutomirski , Ingo Molnar , Peter Zijlstra , "the arch/x86 maintainers" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 25 Jul 2019 at 07:59, Greg KH wrote: > > On Wed, Jul 24, 2019 at 10:20:34PM +0200, Thomas Gleixner wrote: > > On Wed, 24 Jul 2019, Thomas Gleixner wrote: > > > > > On Wed, 24 Jul 2019, Greg KH wrote: > > > > On Wed, Jul 24, 2019 at 06:03:41PM +0200, Thomas Gleixner wrote: > > > > > > Gotta love old tool-chains :( > > > > > > > > > > Oh yes. /me does archaeology to find a VM with old stuff > > > > > > > > I can provide a binary if you can't find anything. > > > > > > Found GNU ld (GNU Binutils for Debian) 2.25 and after fiddling with > > > LD_PRELOAD it builds without failure. > > > > > > ld.gold from that binutils version dies with a segfault on various files ... > > > > Then tried that old ld.bfd with GCC8 and that causes ld.bfd to segfault on > > every other file. > > > > Copied that config to the clang build directory and it causes the same > > explosions with ld.bfd. > > > > What a time waste... > > > > > > > > Ugh, sorry about this. I can't seem to track it down either, and at > this point am just going to punt and let the Android build people try to > figure it out as it is their custom build system that is failing at the > moment, only for x86, and if this single patch is reverted, it starts > working again. > > voodo... > > thanks, > > greg k-h As it's related. I've raised https://bugzilla.kernel.org/show_bug.cgi?id=204495 about the relocatition I'm seeing since switching back to ld.bfd - is this safe to ignore? I'm guessing this is why gold isn't working as it can't do them Cheers Mike