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=-2.2 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, 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 3632AC433F4 for ; Mon, 27 Aug 2018 08:57:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C5008208D5 for ; Mon, 27 Aug 2018 08:57:35 +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="aRt8ywdy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C5008208D5 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 S1727251AbeH0MnS (ORCPT ); Mon, 27 Aug 2018 08:43:18 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:34380 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726847AbeH0MnR (ORCPT ); Mon, 27 Aug 2018 08:43:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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=zPbd+FNh7D9uHmHOMVl4q5Bz39endSVKcAWp4SwoCNU=; b=aRt8ywdyTFDLm9lAHv43CJz5J tlaD3vxHi2FyFH0wM2CbA3DqnKy+lUckLzrIaqZc9FKDELkzqFxFUxRNcGXqDVqeJaH38I2FO40Rq g/mfqdfWWxDUQDvqcUJU+BVjJcalJUUkuUyC2YdewCsSKdCe1MjSrgrBia0tuhkp7t/9I2vt3S0lq bD8Id8DNV/OY70GiGywSpEkmLd1d+crlmkBJTHFw6bjuTiUAVeSfsHe0dNsLZPsZxIK4nSOdTiRpx Z2A3aRpS8PRNwzzA6Zbj0EGI/g8PojcdjoZzEry+qJ4J32hgzBpdTnk8IgTtmEdC60ubQXFTurO+T AVkbg0iNA==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1fuDKf-00081X-5r; Mon, 27 Aug 2018 08:57:09 +0000 Date: Mon, 27 Aug 2018 01:57:08 -0700 From: Christoph Hellwig To: Peter Zijlstra Cc: Nicholas Piggin , Will Deacon , Linus Torvalds , Benjamin Herrenschmidt , Andrew Lutomirski , the arch/x86 maintainers , Borislav Petkov , Rik van Riel , Jann Horn , Adin Scannell , Dave Hansen , Linux Kernel Mailing List , linux-mm , David Miller , Martin Schwidefsky , Michael Ellerman , Tony Luck , Fenghua Yu , linux-ia64@vger.kernel.org Subject: removig ia64, was: Re: [PATCH 3/4] mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE Message-ID: <20180827085708.GA27172@infradead.org> References: <20180823134525.5f12b0d3@roar.ozlabs.ibm.com> <776104d4c8e4fc680004d69e3a4c2594b638b6d1.camel@au1.ibm.com> <20180823133958.GA1496@brain-police> <20180824084717.GK24124@hirez.programming.kicks-ass.net> <20180824113214.GK24142@hirez.programming.kicks-ass.net> <20180824113953.GL24142@hirez.programming.kicks-ass.net> <20180827150008.13bce08f@roar.ozlabs.ibm.com> <20180827074701.GW24124@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180827074701.GW24124@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.9.2 (2017-12-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 27, 2018 at 09:47:01AM +0200, Peter Zijlstra wrote: > sh is trivial, arm seems doable, with a bit of luck we can do 'rm -rf > arch/ia64' leaving us with s390. Is removing ia64 a serious plan? It is the cause for a fair share of oddities in dma lang, and I did not have much luck getting maintainer replies lately, but I didn't know of a plan to get rid of it. What is the state of people still using ia64 mainline kernels vs just old distros in the still existing machines?