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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 BFDD1C31E49 for ; Thu, 13 Jun 2019 15:09:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9D56320896 for ; Thu, 13 Jun 2019 15:09:46 +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="sJaw5Jvm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387846AbfFMPJl (ORCPT ); Thu, 13 Jun 2019 11:09:41 -0400 Received: from merlin.infradead.org ([205.233.59.134]:49624 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732353AbfFMN5Q (ORCPT ); Thu, 13 Jun 2019 09:57:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Subject:Cc:To:From:Date:Message-Id: Sender:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=EfkBDDJMAt8xHDi7ZXze+FifO3HHeyNpCl8Ua4IB4Hw=; b=sJaw5Jvm/53ODTnP+j7SLhgVw uwOx8DIEUh/dq09/tZ/MYU0fn9HKlghiyako+Bm7U1uhJlNaGaqj+4T9n06SOri9YAsdvTzeRhR9L hIQL+s4VFH9fLFYpo+xs/c8LtyT1BrbAB0awMcEbrLYigGKn7yH3ZcMQovkPXlKyMBqHpe12uPgkR tstzCs2YS4vpXCa5kJTCGCdJgvztTxSeqN4vY+cajCasaKF924GBX1Qw85sBQznWR6jJcOVeDFHI/ /ZaCPUcCYMgypt5VsamGB+j8LGrv2dXj9XbqMVYG4bVXLZM3DsrccxP8Ofb9aqB0d+4buTMN2i8SZ UVhFC5sxg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hbQDy-0004GC-7a; Thu, 13 Jun 2019 13:57:06 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 0) id 01D8120316592; Thu, 13 Jun 2019 15:57:04 +0200 (CEST) Message-Id: <20190613135445.318096781@infradead.org> User-Agent: quilt/0.65 Date: Thu, 13 Jun 2019 15:54:45 +0200 From: Peter Zijlstra To: torvalds@linux-foundation.org, mingo@kernel.org, bp@alien8.de, tglx@linutronix.de, luto@kernel.org, namit@vmware.com, peterz@infradead.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH v2 0/5] x86/percpu semantics and fixes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, I still have these patches sitting in my queue and figured I'd repost them. Last time Linus proposed a "+m" alternative approach, but that generates far far worse code (I've lost the patch and not re-ran those numbers, but I suppose I can redo if found important). These patches have been through 0day for a while.