From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933290AbdCHAVY (ORCPT ); Tue, 7 Mar 2017 19:21:24 -0500 Received: from mail.kernel.org ([198.145.29.136]:35106 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933271AbdCHAVT (ORCPT ); Tue, 7 Mar 2017 19:21:19 -0500 Date: Tue, 7 Mar 2017 16:12:44 -0800 (PST) From: Stefano Stabellini X-X-Sender: sstabellini@sstabellini-ThinkPad-X260 To: Julien Grall cc: Stefano Stabellini , xen-devel@lists.xenproject.org, jgross@suse.com, linux-kernel@vger.kernel.org, Stefano Stabellini , boris.ostrovsky@oracle.com Subject: Re: [Xen-devel] [PATCH 1/7] xen: import new ring macros in ring.h In-Reply-To: <1017c144-67a7-dc69-dcda-18bf90c245ab@arm.com> Message-ID: References: <1488830488-18506-1-git-send-email-sstabellini@kernel.org> <1017c144-67a7-dc69-dcda-18bf90c245ab@arm.com> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 7 Mar 2017, Julien Grall wrote: > Hi Stefano, > > On 03/06/2017 08:01 PM, Stefano Stabellini wrote: > > Sync the ring.h file with upstream Xen, to introduce the new ring macros. > > They will be used by the Xen transport for 9pfs. > > > > Signed-off-by: Stefano Stabellini > > CC: konrad.wilk@oracle.com > > CC: boris.ostrovsky@oracle.com > > CC: jgross@suse.com > > > > --- > > NB: The new macros have not been committed to Xen yet. Do not apply this > > patch until they do. > > --- > > --- > > include/xen/interface/io/ring.h | 131 > > ++++++++++++++++++++++++++++++++++++++++ > > 1 file changed, 131 insertions(+) > > > > diff --git a/include/xen/interface/io/ring.h > > b/include/xen/interface/io/ring.h > > index 21f4fbd..e16aa92 100644 > > --- a/include/xen/interface/io/ring.h > > +++ b/include/xen/interface/io/ring.h > > [...] > > > +#define XEN_FLEX_RING_SIZE(order) > > \ > > + (1UL << (order + PAGE_SHIFT - 1)) > > This will need to be XEN_PAGE_SHIFT in order to works with 64K kernel. Good point! I had it right at the beginning but I lost the change in one of the updates from xen.git. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: Re: [PATCH 1/7] xen: import new ring macros in ring.h Date: Tue, 7 Mar 2017 16:12:44 -0800 (PST) Message-ID: References: <1488830488-18506-1-git-send-email-sstabellini@kernel.org> <1017c144-67a7-dc69-dcda-18bf90c245ab@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1clPDm-0007TV-Md for xen-devel@lists.xenproject.org; Wed, 08 Mar 2017 00:12:50 +0000 In-Reply-To: <1017c144-67a7-dc69-dcda-18bf90c245ab@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Julien Grall Cc: jgross@suse.com, Stefano Stabellini , linux-kernel@vger.kernel.org, Stefano Stabellini , xen-devel@lists.xenproject.org, boris.ostrovsky@oracle.com List-Id: xen-devel@lists.xenproject.org T24gVHVlLCA3IE1hciAyMDE3LCBKdWxpZW4gR3JhbGwgd3JvdGU6Cj4gSGkgU3RlZmFubywKPiAK PiBPbiAwMy8wNi8yMDE3IDA4OjAxIFBNLCBTdGVmYW5vIFN0YWJlbGxpbmkgd3JvdGU6Cj4gPiBT eW5jIHRoZSByaW5nLmggZmlsZSB3aXRoIHVwc3RyZWFtIFhlbiwgdG8gaW50cm9kdWNlIHRoZSBu ZXcgcmluZyBtYWNyb3MuCj4gPiBUaGV5IHdpbGwgYmUgdXNlZCBieSB0aGUgWGVuIHRyYW5zcG9y dCBmb3IgOXBmcy4KPiA+IAo+ID4gU2lnbmVkLW9mZi1ieTogU3RlZmFubyBTdGFiZWxsaW5pIDxz dGVmYW5vQGFwb3JldG8uY29tPgo+ID4gQ0M6IGtvbnJhZC53aWxrQG9yYWNsZS5jb20KPiA+IEND OiBib3Jpcy5vc3Ryb3Zza3lAb3JhY2xlLmNvbQo+ID4gQ0M6IGpncm9zc0BzdXNlLmNvbQo+ID4g Cj4gPiAtLS0KPiA+IE5COiBUaGUgbmV3IG1hY3JvcyBoYXZlIG5vdCBiZWVuIGNvbW1pdHRlZCB0 byBYZW4geWV0LiBEbyBub3QgYXBwbHkgdGhpcwo+ID4gcGF0Y2ggdW50aWwgdGhleSBkby4KPiA+ IC0tLQo+ID4gLS0tCj4gPiAgaW5jbHVkZS94ZW4vaW50ZXJmYWNlL2lvL3JpbmcuaCB8IDEzMQo+ ID4gKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwo+ID4gIDEgZmlsZSBj aGFuZ2VkLCAxMzEgaW5zZXJ0aW9ucygrKQo+ID4gCj4gPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS94 ZW4vaW50ZXJmYWNlL2lvL3JpbmcuaAo+ID4gYi9pbmNsdWRlL3hlbi9pbnRlcmZhY2UvaW8vcmlu Zy5oCj4gPiBpbmRleCAyMWY0ZmJkLi5lMTZhYTkyIDEwMDY0NAo+ID4gLS0tIGEvaW5jbHVkZS94 ZW4vaW50ZXJmYWNlL2lvL3JpbmcuaAo+ID4gKysrIGIvaW5jbHVkZS94ZW4vaW50ZXJmYWNlL2lv L3JpbmcuaAo+IAo+IFsuLi5dCj4gCj4gPiArI2RlZmluZSBYRU5fRkxFWF9SSU5HX1NJWkUob3Jk ZXIpCj4gPiBcCj4gPiArICAgICgxVUwgPDwgKG9yZGVyICsgUEFHRV9TSElGVCAtIDEpKQo+IAo+ IFRoaXMgd2lsbCBuZWVkIHRvIGJlIFhFTl9QQUdFX1NISUZUIGluIG9yZGVyIHRvIHdvcmtzIHdp dGggNjRLIGtlcm5lbC4KCkdvb2QgcG9pbnQhIEkgaGFkIGl0IHJpZ2h0IGF0IHRoZSBiZWdpbm5p bmcgYnV0IEkgbG9zdCB0aGUgY2hhbmdlIGluIG9uZQpvZiB0aGUgdXBkYXRlcyBmcm9tIHhlbi5n aXQuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4t ZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMu eGVuLm9yZy94ZW4tZGV2ZWwK