From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: [PATCH v6 2/2] staging: ion: create one device entry per heap Date: Tue, 28 Nov 2017 19:00:16 +0100 Message-ID: <20171128180016.GA10169@kroah.com> References: <1509983985-20950-1-git-send-email-benjamin.gaignard@linaro.org> <1509983985-20950-3-git-send-email-benjamin.gaignard@linaro.org> <20171128133217.GA29995@kroah.com> <20171128162620.levmpcgaixilwq3n@sirena.org.uk> <20171128170822.GA22359@kroah.com> <20171128171223.qnd7z7h2lnxy5lkd@sirena.org.uk> <20171128172838.GA31113@kroah.com> <20171128173753.t7dk6n7ouwypmumw@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20171128173753.t7dk6n7ouwypmumw@sirena.org.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Mark Brown Cc: devel@driverdev.osuosl.org, linux-api@vger.kernel.org, arve@android.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, riandrews@android.com, dan.carpenter@oracle.com List-Id: linux-api@vger.kernel.org T24gVHVlLCBOb3YgMjgsIDIwMTcgYXQgMDU6Mzc6NTNQTSArMDAwMCwgTWFyayBCcm93biB3cm90 ZToKPiBPbiBUdWUsIE5vdiAyOCwgMjAxNyBhdCAwNjoyODozOFBNICswMTAwLCBHcmVnIEtIIHdy b3RlOgo+ID4gT24gVHVlLCBOb3YgMjgsIDIwMTcgYXQgMDU6MTI6MjNQTSArMDAwMCwgTWFyayBC cm93biB3cm90ZToKPiAKPiA+ID4gSSB0aGluayBpdCdzIHJlYXNvbmFibGUgdG8gYXNrIGZvciB1 c2Vyc3BhY2UsIEknbSBxdWVyeWluZyB3aHkgaXQgbmVlZHMKPiA+ID4gdG8gc3BlY2lmaWNhbGx5 IGJlIEFuZHJvaWQuCj4gCj4gPiBEb2VzIGFueW9uZSBvdGhlciB0aGFuIEFuZHJvaWQgdXNlIHRo aXMgaW50ZXJmYWNlPwo+IAo+IFRoZXJlJ3MgcGxlbnR5IG9mIG90aGVyIHVzZXJzcGFjZXMgdGhh dCBoYXZlIHRoZSBzYW1lIHJlcXVpcmVtZW50cyBmb3IKPiBhbGxvY2F0aW9uIGZvciBhcHBsaWNh dGlvbnMgbGlrZSB2aWRlbyBjYXB0dXJlLCBJIGJlbGlldmUgc29tZSBvZiB0aGVtCj4gaGF2ZSBh Y3R1YWxseSBtb3ZlZCB0byBJT04gYWxyZWFkeSBhbmQgdGhleSdyZSBjZXJ0YWlubHkgd2hlcmUg c29tZSBvZgo+IHRoZSByZXF1aXJlbWVudHMgaGVyZSBhcmUgY29taW5nIGZyb20uCgpUaGVuIHRo ZSBLY29uZmlnIG9wdGlvbiBzaG91bGQgc3RhcnQgdG8gZGVzY3JpYmUgc29tZSBvZiB0aGlzIDop Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZl bCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753812AbdK1SAO (ORCPT ); Tue, 28 Nov 2017 13:00:14 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:38406 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753088AbdK1SAN (ORCPT ); Tue, 28 Nov 2017 13:00:13 -0500 Date: Tue, 28 Nov 2017 19:00:16 +0100 From: Greg KH To: Mark Brown Cc: Benjamin Gaignard , labbott@redhat.com, sumit.semwal@linaro.org, arve@android.com, riandrews@android.com, dan.carpenter@oracle.com, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-api@vger.kernel.org Subject: Re: [PATCH v6 2/2] staging: ion: create one device entry per heap Message-ID: <20171128180016.GA10169@kroah.com> References: <1509983985-20950-1-git-send-email-benjamin.gaignard@linaro.org> <1509983985-20950-3-git-send-email-benjamin.gaignard@linaro.org> <20171128133217.GA29995@kroah.com> <20171128162620.levmpcgaixilwq3n@sirena.org.uk> <20171128170822.GA22359@kroah.com> <20171128171223.qnd7z7h2lnxy5lkd@sirena.org.uk> <20171128172838.GA31113@kroah.com> <20171128173753.t7dk6n7ouwypmumw@sirena.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171128173753.t7dk6n7ouwypmumw@sirena.org.uk> User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 28, 2017 at 05:37:53PM +0000, Mark Brown wrote: > On Tue, Nov 28, 2017 at 06:28:38PM +0100, Greg KH wrote: > > On Tue, Nov 28, 2017 at 05:12:23PM +0000, Mark Brown wrote: > > > > I think it's reasonable to ask for userspace, I'm querying why it needs > > > to specifically be Android. > > > Does anyone other than Android use this interface? > > There's plenty of other userspaces that have the same requirements for > allocation for applications like video capture, I believe some of them > have actually moved to ION already and they're certainly where some of > the requirements here are coming from. Then the Kconfig option should start to describe some of this :)