From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?Um9nZXIgUGF1IE1vbm7DqQ==?= Subject: Re: [RFC] Support of non-indirect grant backend on 64KB guest Date: Wed, 19 Aug 2015 17:17:47 +0200 Message-ID: <55D49E1B.4010405@citrix.com> References: <55D2D0C4.3070700@citrix.com> <55D2DA15.6070105@citrix.com> <55D37D31.9010401@citrix.com> <55D44338.8030108@citrix.com> <55D498B4.2030804@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <55D498B4.2030804@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Julien Grall , Stefano Stabellini , Konrad Rzeszutek Wilk , Ian Campbell , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org SGVsbG8sCgpFbCAxOS8wOC8xNSBhIGxlcyAxNi41NCwgSnVsaWVuIEdyYWxsIGhhIGVzY3JpdDoK PiBPbiAxOS8wOC8yMDE1IDAxOjUwLCBSb2dlciBQYXUgTW9ubsOpIHdyb3RlOgo+PiBXaHkgY2Fu IHRoaXMgYmUgZml4ZWQgaW4gdGhlIFFlbXUgc2lkZSBhbmQgdGhlIGZpeCBiYWNrcG9ydGVkIHRv IDQuNi4xPwo+IAo+IEFuZCB3aGF0IGFib3V0IGFueSBvdGhlciBiYWNrZW5kIG5vdCBzdXBwb3J0 aW5nIGluZGlyZWN0IGdyYW50PwoKVGhlIG9ubHkgb3RoZXIgYmFja2VuZCBJIGtub3cgb2YgaXMg dGFwZGlzay9ibGt0YXAsIGFuZCBJJ20gbm90IGV2ZW4Kc3VyZSBpZiB0aGF0J3MgYW4gb3B0aW9u IG9uIEFSTS4gSU1ITyBhdCB0aGlzIHBvaW50IHdlIHNob3VsZCBub3Qgd29ycnkKYWJvdXQgb3V0 LW9mLXRyZWUgYmFja2VuZHMsIHRoZXJlJ3Mgb25seSBvbmUsIGFuZCBJIGRvbid0IHRoaW5rIGl0 J3Mgc28Kb3V0cmFnZW91cyB0byBmb3JjZSBpbmRpcmVjdC1kZXNjcmlwdG9ycyBzdXBwb3J0IGZv ciBBUk0gZ3Vlc3RzLgoKPj4gSWYgeW91IHdhbnQgdG8gZml4IGl0IGluIExpbnV4IHlvdSB3aWxs IGFsc28gaGF2ZSB0byB3YWl0IGZvciB0aGUgbmV4dAo+PiByZWxlYXNlIGFueXdheSwgYW5kIHRo ZW4gYXNrcyB1c2VycyB0byB1c2UgYSBzcGVjaWZpYyBrZXJuZWwgdmVyc2lvbgo+PiAoYmVjYXVz ZSBkaXN0cm9zIHdvbid0IHBpY2sgdGhlIGNoYW5nZSB0aGF0IGZhc3QpLgo+IAo+IEFhcmNoNjQg ZGlzdHJvcyBhcmUgbm90IHlldCBvdXQgb2ZmaWNpYWxseS4gVGhlcmUgaXMgc3RpbGwgd29yayBn b2luZwo+IG91dCBhbmQgdGhleSBhcmUgcGxhbm5pbmcgdG8gdGFyZ2V0IHRvIHVzZSBMaW51eCA0 LjIvNC4zLiBXZSBoYXZlCj4gZGlzdHJpYnV0aW9ucyB3aWxsaW5nIHRvIHRha2UgcGF0Y2hlcyBp biB0aGVpciB0cmVlIGluIG9yZGVyIHRvIHN1cHBvcnQKPiBYZW4gZ3Vlc3RzLgoKU28gdGhleSBh cmUgd2lsbGluZyB0byB0YWtlIExpbnV4IGtlcm5lbCBwYXRjaGVzIGZvciBhbGxvd2luZyA2NEtC Cmd1ZXN0cyBidXQgbm90IFFlbXUgcGF0Y2hlcz8gVGhpcyBzZWVtcyBxdWl0ZSB3ZWlyZCBJTUhP LCBwYXRjaGluZyB0aGUKa2VybmVsIGlzIG11Y2ggbW9yZSByaXNreSB0aGFuIHBhdGNoaW5nIFFl bXUuCgo+IEFsdGhvdWdoLCBpZiB3ZSBoYXZlIHRvIHBhdGNoIFFFTVUsIHdlIGFsc28gbmVlZCB0 byBwdXNoIG9uIGRpc3RyaWJ1dGlvbgo+IHRoYXQgbWF5IG5vdCBuZWVkIDRLQiBlbmFibGVkIGlu IG9yZGVyIHRvIHVzZSB0aGVtIGFzIERPTTAuLi4KPgo+PiBPdmVyYWxsIEkgc3RpbGwgdGhpbmsg dGhpcyBzaG91bGQgYmUgZml4ZWQgaW4gUWVtdSwgYXMgc2FpZCBhYm92ZSB1c2Vycwo+PiB3aWxs IGhhdmUgdG8gdXBkYXRlIGFueXdheSwgZWl0aGVyIHRoZWlyIGtlcm5lbHMgb3IgdGhlaXIgUWVt dSB2ZXJzaW9uLgo+IAo+IExldCdzIHRha2UgdGhlIHByb2JsZW0gaW4gYW5vdGhlciB3YXkuIFlv dXIgYXJlIGEgYmlnIGNsb3VkIHByb3ZpZGVyCj4gdXNpbmcgQWFyY2g2NCBoYXJkd2FyZS4gWW91 IGRlY2lkZWQgdG8gdXNlIFhlbiA0LjUgKGFuZCBub3QgWGVuIDQuNikgYXMKPiB0aGUgYmFzZSB2 ZXJzaW9uIGFuZCBhIERPTTAgdXNpbmcgNEtCIHBhZ2UgZ3JhbnVsYXJpdHkuIE5vdyBvbmUgb2Yg dGhlCj4gc21hbGwgY3VzdG9tZXIgZGVjaWRlcyB0byB1c2UgYSBkaXN0cmlidXRpb24gd2hpY2gg aGF2ZSA2NEtCIHBhZ2VzCj4gZW5hYmxlZCwgaWYgYm9vdGluZyB1c2luZyBRZGlzayBpdCB3b24n dCB3b3JrIGF0IGFsbC4gV2h5IG9uIHRoZSBlYXJ0aAo+IHRoZSBjbG91ZCBwcm92aWRlciB3aWxs IHVwZGF0ZSBoaXMgUUVNVSB0byBzdXBwb3J0IHRoaXMga2luZCBvZiBndWVzdD8KCldlbGwsIHlv dSBhcmUgYSBjb3VsZCBwcm92aWRlciwgeW91IG1ha2UgbW9uZXkgb3V0IG9mIHRoaXMsIHdoeSBv biBlYXJ0aAp3b24ndCB5b3UgcGF0Y2gvdXBkYXRlIFFlbXUgaWYgaXQncyBuZWVkZWQgYnkgeW91 ciBjdXN0b21lcnM/Cgo+IEkgdGhpbmsgdGhpcyBpcyBhIHJlYWxseSBiYWQgaWRlYSBnaXZlbiB0 aGF0IDY0S0Igc2hvdWxkIHdvcmsgb3V0LW9mLWJveAo+IGFuZCBub3QgZGVwZW5kaW5nIG9uIHRo ZSBiYWNrZW5kIHNpZGUuCgpNeSBvcGluaW9uIGlzIHRoYXQgd2UgaGF2ZSBhbHJlYWR5IG1lcmdl ZCBxdWl0ZSBhIGxvdCBvZiB0aGlzIG1lc3MgaW4Kb3JkZXIgdG8gc3VwcG9ydCBndWVzdHMgd2l0 aCBkaWZmZXJlbnQgcGFnZSBzaXplcy4gQW5kIGluIHRoaXMgY2FzZSwgdGhlCmFkZGl0aW9uIG9m IGNvZGUgY2FuIGJlIGRvbmUgdG8gYSB1c2Vyc3BhY2UgY29tcG9uZW50LCB3aGljaCBpcyBtdWNo Cmxlc3Mgcmlza3kgdGhhbiBhZGRpbmcgaXQgdG8gYmxrZnJvbnQsIGFsc28gdGFraW5nIGludG8g YWNjb3VudCB0aGF0Cml0J3MgYSBnZW5lcmFsIGltcHJvdmVtZW50IGZvciBRZGlzayB0aGF0IG90 aGVyIGFyY2hlcyBjYW4gYWxzbyBsZXZlcmFnZS4KClNvIGluIG9uZSBoYW5kIHlvdSBhcmUgYWRk aW5nIGNvZGUgdG8gYSBrZXJuZWwgY29tcG9uZW50LCB0aGF0IG1ha2VzIHRoZQpjb2RlIG11Y2gg bW9yZSBtZXNzeSBhbmQgY2FuIG9ubHkgYmUgbGV2ZXJhZ2VkIGJ5IEFSTS4gT24gdGhlIG90aGVy CmhhbmQsIHlvdSBjYW4gYWRkIGNvZGUgYSB1c2VyLXNwYWNlIGJhY2tlbmQsIGFuZCB0aGF0IGNv ZGUgaXMgYWxzbwpiZW5lZmljaWFsIGZvciBvdGhlciBhcmNoZXMuIElNSE8sIHRoZSBkZWNpc2lv biBpcyBxdWl0ZSBjbGVhci4KClJvZ2VyLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMu eGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK