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[23.128.96.18]) by mx.google.com with ESMTP id n6si23781851plf.14.2021.10.18.05.18.05; Mon, 18 Oct 2021 05:18:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=RLIsz1J2; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231601AbhJRMSB (ORCPT + 99 others); Mon, 18 Oct 2021 08:18:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:33766 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229569AbhJRMSA (ORCPT ); Mon, 18 Oct 2021 08:18:00 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2718B60FC3; Mon, 18 Oct 2021 12:15:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1634559349; bh=utOH7FzBux08wNzkB3/bvFS2wN2XWHumibuU5/SmXqw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RLIsz1J2utLAUX4a2GrToXiY0xBfCjZ73PD3hx1N9Ok6rP0P/uoORdGSKblUyCaKv YrTHN7wL8jRgbxJbVKnN0c0X1obFShrmbiad64H8b83XIybuE3HlqY0K45X4p4qAaS dCSKbXRf3JcZ3d/IAO/04HW8b+ibphQ9xnPd5sVo= Date: Mon, 18 Oct 2021 14:15:47 +0200 From: Greg KH To: "Michael S. Tsirkin" Cc: Andi Kleen , Kuppuswamy Sathyanarayanan , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Peter Zijlstra , Andy Lutomirski , Bjorn Helgaas , Richard Henderson , Thomas Bogendoerfer , James E J Bottomley , Helge Deller , "David S . Miller" , Arnd Bergmann , Jonathan Corbet , Paolo Bonzini , David Hildenbrand , Andrea Arcangeli , Josh Poimboeuf , Peter H Anvin , Dave Hansen , Tony Luck , Dan Williams , Kirill Shutemov , Sean Christopherson , Kuppuswamy Sathyanarayanan , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-alpha@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: Re: [PATCH v5 12/16] PCI: Add pci_iomap_host_shared(), pci_iomap_host_shared_range() Message-ID: References: <20211009003711.1390019-1-sathyanarayanan.kuppuswamy@linux.intel.com> <20211009003711.1390019-13-sathyanarayanan.kuppuswamy@linux.intel.com> <20211009053103-mutt-send-email-mst@kernel.org> <20211011073614-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211011073614-mutt-send-email-mst@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 11, 2021 at 07:59:17AM -0400, Michael S. Tsirkin wrote: > On Sun, Oct 10, 2021 at 03:22:39PM -0700, Andi Kleen wrote: > > > > > To which Andi replied > > > One problem with removing the ioremap opt-in is that > > > it's still possible for drivers to get at devices without going through probe. > > > > > > To which Greg replied: > > > https://lore.kernel.org/all/YVXBNJ431YIWwZdQ@kroah.com/ > > > If there are in-kernel PCI drivers that do not do this, they need to be > > > fixed today. > > > > > > Can you guys resolve the differences here? > > > > > > I addressed this in my other mail, but we may need more discussion. > > Hopefully Greg will reply to that one. Note, when wanting Greg to reply, someone should at the very least cc: him. {sigh} greg k-h