Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp4582803ybi; Tue, 11 Jun 2019 08:59:33 -0700 (PDT) X-Google-Smtp-Source: APXvYqzV/irvMB9Wzdgt07GYLVKWLBTSQyYEl6Ydex05blWSLVxE8JjthUimcaOF0YLP0XRwjFs0 X-Received: by 2002:a17:90a:480d:: with SMTP id a13mr26673966pjh.40.1560268773490; Tue, 11 Jun 2019 08:59:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1560268773; cv=none; d=google.com; s=arc-20160816; b=Pf+ePw8aGkREN86fF8oeL9nUKnELN+7gWPGddltLqWFkbOW9uTfH+H6xBBejwOshXc E2YXwb5y834i0GJVYgstNP4FkhY3oukoFSm0p/O0ucu3smoLCIzOUIgeuPIHFqwg+C/G tvqGXV5+AkmHGGLCJXK4M1EfSm5120HwljEyNCJPs6ba6VgPIqpXETk5Jv0EkMCeWxLR 9VWHQ0b0QvhyxoUVu20Sc/Bh6KafiYN6jshO7qDWkDfinkfDAjKzKlNp/UgmH8Bv5TFX tfBjSIGeD57uL8f01XnsWLcakwVvIwVk7HD1cHb3faabp8hCB8GV8N2uwS89LcKAbWki jrDw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=eVgOWDgLR7upfxnSi0/pPEtmnURMeK6qO9i2y3dCEiY=; b=E1RvNxn9z2dL95Nhja0oJo5EGIQeGbEVTeIftQ92i4QJjPzrcuJd89BnJack74I6mJ pZ4R3gMWfIR55YqdgtNcpmCEqi3m/ZCsZtTW+7GafjSkbZRBpNmb5SdUSJ2f03ML0afm aqv6mZRdhbI1gncOyhnWqt0SK3ga4fCww5Qri4w0slvvtHL9xZ0JZwHHbVrHMyOo/ZpO xzV8ZRrw18/syqOHOBBjYsEYQpZ9eMnvkqn/RE2v1MtJN2vH1/CNvPaLtapbnAO06KLu UW77YLGE6DSXoSy2Si7TQ9fHELNNTaSIpJjwP8Bgf2J0T5CCZf2boQgd/R8az0qmXxF8 LAuQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=ODhUns9U; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a190si13651304pfb.122.2019.06.11.08.59.18; Tue, 11 Jun 2019 08:59:33 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=ODhUns9U; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729141AbfFKPRz (ORCPT + 99 others); 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.