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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 EDABEC10F29 for ; Tue, 17 Mar 2020 09:14:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C887320663 for ; Tue, 17 Mar 2020 09:14:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725862AbgCQJOB (ORCPT ); Tue, 17 Mar 2020 05:14:01 -0400 Received: from mx2.suse.de ([195.135.220.15]:54498 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725730AbgCQJOB (ORCPT ); Tue, 17 Mar 2020 05:14:01 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 0D09CAB7F; Tue, 17 Mar 2020 09:13:59 +0000 (UTC) Date: Tue, 17 Mar 2020 10:13:57 +0100 (CET) From: Miroslav Benes To: Boris Ostrovsky cc: jgross@suse.com, sstabellini@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, jpoimboe@redhat.com, x86@kernel.org, xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, jslaby@suse.cz Subject: Re: [PATCH 1/2] x86/xen: Make the boot CPU idle task reliable In-Reply-To: <1b98d601-d9d9-879c-918c-737830d80ac5@oracle.com> Message-ID: References: <20200312142007.11488-1-mbenes@suse.cz> <20200312142007.11488-2-mbenes@suse.cz> <1b98d601-d9d9-879c-918c-737830d80ac5@oracle.com> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: live-patching-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: live-patching@vger.kernel.org On Mon, 16 Mar 2020, Boris Ostrovsky wrote: > > > On 3/12/20 10:20 AM, Miroslav Benes wrote: > > --- a/arch/x86/xen/xen-head.S > > +++ b/arch/x86/xen/xen-head.S > > @@ -35,7 +35,7 @@ SYM_CODE_START(startup_xen) > > rep __ASM_SIZE(stos) > > > > mov %_ASM_SI, xen_start_info > > - mov $init_thread_union+THREAD_SIZE, %_ASM_SP > > + mov $init_thread_union+THREAD_SIZE-SIZEOF_PTREGS, %_ASM_SP > > This is initial_stack, isn't it? It is. I'll change it. Thanks Miroslav