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=-5.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 4322CC0044C for ; Mon, 5 Nov 2018 12:40:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EBE4220825 for ; Mon, 5 Nov 2018 12:40:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="RrnwQV+X" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EBE4220825 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729708AbeKEV7q (ORCPT ); Mon, 5 Nov 2018 16:59:46 -0500 Received: from merlin.infradead.org ([205.233.59.134]:36176 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727048AbeKEV7q (ORCPT ); Mon, 5 Nov 2018 16:59:46 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=UOpDLTXAtnnzTE/vKm8sfJOjSgQ2KHxQQ3HhKFWQ9J8=; b=RrnwQV+XZueYT88CbnNdx2pTV gQwtzEwI1MMlw9F/eEgwTjVP5FrKui4quOkeLqJ+h21uNkBuwcR6DuAUSO3APVyLfbesYpssMjVXt jHjhF2XjCtnIfSsg6/y4BmqfkE7X/h/5COxYVXpNY0LKlV7X7fpcTgDi9nOnb5EpfKs54h0+wg6iQ w3lE4PpJzPGOxpfhV7iV1Q2GSo7ww/v4oVP5fjFSx7lCJZvvZY9Cj7oifM6t16VOnur0+yug5KQdo ldxADe7FalimceGziEGt5uyM8bB2bg+J8eip2EFd4NNp2VVAv1EcnEg5KNxHiLGItRKCzKKU5TAhn foUemamZQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1gJeAe-0005TX-RK; Mon, 05 Nov 2018 12:39:57 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 06EE82029F9FF; Mon, 5 Nov 2018 13:39:54 +0100 (CET) Date: Mon, 5 Nov 2018 13:39:53 +0100 From: Peter Zijlstra To: Nadav Amit Cc: Ingo Molnar , linux-kernel@vger.kernel.org, x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Borislav Petkov , Dave Hansen , Andy Lutomirski , Kees Cook , Dave Hansen , Masami Hiramatsu Subject: Re: [PATCH v3 2/7] x86/jump_label: Use text_poke_early() during early_init Message-ID: <20181105123953.GA22467@hirez.programming.kicks-ass.net> References: <20181102232946.98461-1-namit@vmware.com> <20181102232946.98461-3-namit@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181102232946.98461-3-namit@vmware.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 02, 2018 at 04:29:41PM -0700, Nadav Amit wrote: > diff --git a/init/main.c b/init/main.c > index a664246450d1..b0fa26637496 100644 > --- a/init/main.c > +++ b/init/main.c > @@ -117,6 +117,8 @@ extern void radix_tree_init(void); > */ > bool early_boot_irqs_disabled __read_mostly; > > +u8 early_boot_done __read_mostly; > + > enum system_states system_state __read_mostly; > EXPORT_SYMBOL(system_state); Should this not be using system_state ^ ? The site is very close to SYSTEM_SCHEDULING, can we use that or should we add another state ? > @@ -735,6 +737,8 @@ asmlinkage __visible void __init start_kernel(void) > efi_free_boot_services(); > } > > + early_boot_done = true; > + > /* Do the rest non-__init'ed, we're now alive */ > rest_init(); > } > -- > 2.17.1 >