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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,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 82A3EC4321A for ; Tue, 11 Jun 2019 15:17:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 52AB92145D for ; Tue, 11 Jun 2019 15:17:56 +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="ODhUns9U" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729286AbfFKPRz (ORCPT ); Tue, 11 Jun 2019 11:17:55 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:48132 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727601AbfFKPRz (ORCPT ); Tue, 11 Jun 2019 11:17:55 -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=eVgOWDgLR7upfxnSi0/pPEtmnURMeK6qO9i2y3dCEiY=; b=ODhUns9UlpGQitCQA9RkQL2Jy i1FreyI7EgQ7P+ic2LLzUo6tC8GrCd9bZ5mbTHSiWZXdfZlHAsmZq/BB3YeqXh4/mKl0yrSujQrgS Y9dNPvpMaYnpbC2PmDu9xUa7deeVKZVG9G9fHJM5fR9FIWgtvzEZkh7Q/peJbnufAM+7Q/hAgl5Ml UE9vD6qJcKFpvo4aRTl8GVwB/1s6Hjttl8WCXc5xU4dZPpi+9It3siDXxW/Up4l3xNFQHOdTph4Qj fVgUCJ834WlgPgqGybCEDhME2Af/6fDouq+C0EZCMY93i8Ih39fFHmaC5KfijOMuC4he2Xin1uIyh eK/sGMgYA==; Received: from hch by bombadil.infradead.org with local (Exim 4.92 #3 (Red Hat Linux)) id 1haiX3-00037l-SL; Tue, 11 Jun 2019 15:17:53 +0000 Date: Tue, 11 Jun 2019 08:17:53 -0700 From: Christoph Hellwig To: Greg KH Cc: Oded Gabbay , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 8/8] habanalabs: enable 64-bit DMA mask in POWER9 Message-ID: <20190611151753.GA11404@infradead.org> References: <20190611092144.11194-1-oded.gabbay@gmail.com> <20190611095857.GB24058@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190611095857.GB24058@kroah.com> User-Agent: Mutt/1.11.4 (2019-03-13) 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 Tue, Jun 11, 2019 at 11:58:57AM +0200, Greg KH wrote: > That feels like a big hack. ppc doesn't have any "what arch am I > running on?" runtime call? Did you ask on the ppc64 mailing list? I'm > ok to take this for now, but odds are you need a better fix for this > sometime... That isn't the worst part of it. The whole idea of checking what I'm running to set a dma mask just doesn't make any sense at all.