From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 In-Reply-To: References: <1432163293-20965-1-git-send-email-mcgrof@do-not-panic.com> <1432163293-20965-2-git-send-email-mcgrof@do-not-panic.com> <20150521223321.GG32152@google.com> <20150522002341.GM23057@wotan.suse.de> <20150526174008.GN32152@google.com> <20150527200402.GS23057@wotan.suse.de> From: "Luis R. Rodriguez" Date: Tue, 16 Jun 2015 12:16:38 -0700 Message-ID: Subject: Re: [PATCH v6 1/4] pci: add pci_iomap_wc() variants To: Bjorn Helgaas , Tomi Valkeinen Cc: "Luis R. Rodriguez" , Dave Airlie , linux-fbdev , Andy Lutomirski , "linux-kernel@vger.kernel.org" , "linux-pci@vger.kernel.org" , "xen-devel@lists.xensource.com" , Toshi Kani , Suresh Siddha , Ingo Molnar , Thomas Gleixner , Juergen Gross , Daniel Vetter , Dave Airlie , Antonino Daplas , Jean-Christophe Plagniol-Villard , Dave Hansen , Arnd Bergmann , "Michael S. Tsirkin" , venkatesh.pallipadi@intel.com, Stefan Bader , =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= , Mel Gorman , Vlastimil Babka , Borislav Petkov , Davidlohr Bueso , Konrad Rzeszutek Wilk , =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= , David Vrabel , Jan Beulich , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: On Thu, May 28, 2015 at 5:36 PM, Luis R. Rodriguez wrote: > On Wed, May 27, 2015 at 1:04 PM, Luis R. Rodriguez wrote: >> On Tue, May 26, 2015 at 12:40:08PM -0500, Bjorn Helgaas wrote: >>> On Fri, May 22, 2015 at 02:23:41AM +0200, Luis R. Rodriguez wrote: >>> > On Thu, May 21, 2015 at 05:33:21PM -0500, Bjorn Helgaas wrote: >>> > > >>> > > I tentatively put this (and the rest of the series) on a pci/resource >>> > > branch. I'm hoping you'll propose some clarification about >>> > > EXPORT_SYMBOL_GPL(). >>> > >>> > EXPORT_SYMBOL_GPL() also serves to ensure only GPL modules can >>> > only run that code. So for instance although we have "Dual BSD/GPL" >>> > tags for modules pure "BSD" tags do not exist for module tags and >>> > cannot run EXPORT_SYMBOL_GPL() code [0]. Also there is some folks >>> > who do believe tha at run time all kernel modules are GPL [1] [2]. >>> > And to be precise even though the FSF may claim a list of licenses >>> > are GPL-compatible we cannot rely on this list alone for our own >>> > goals and if folks want to use our EXPORT_SYMBOL_GPL()s they must >>> > discuss this on lkml [2]. >>> >>> By "propose some clarification," I meant that I hoped you would propose a >>> patch to Documentation/ that would give maintainers some guidance. >> >> I *really really* would hate to do so but only because you insist, I'll look >> into this... > > OK done. Bjorn, This is now on Jonathan Corbet's tree and visible on linux-next: https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=582ed8d51e2b6cb8a168c94852bca482685c2509 > Please let me know if there is anything else I can do to > help. Please let me know. > Also as per review with Tomi, the framebuffer maintainer, he > would prefer for only the required symbols to go through your tree. > We'd then wait for the next merge window for them to perculate to > Linus' tree and once there I'd send him a pull request for the > framebuffer device driver changes alone. So this does mean we'll have > no users of the symbols for a full release, but again, this is as per > Tomi's preference. This strategy is also the preference then for the > pci_iomap_wc() series as well. With that in mind, perhaps the lib > patch can go in as we'd have no users but we do have a few future > possible expected users. I repoked Tomi about this topic with a new context provided, my expressed hope was to just merge the fbvdev dependent changes for both series (now both Acked by Tomi) through your tree. Luis