From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: netfront/netback multiqueue exhausting grants Date: Wed, 20 Jan 2016 15:16:18 +0000 Message-ID: <1453302978.26343.134.camel@citrix.com> References: <1453292623.26343.95.camel@citrix.com> <569F9C6A.9070008@oracle.com> <1453301571.26343.127.camel@citrix.com> <569FA195.1020104@citrix.com> <569FA361.60102@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <569FA361.60102@oracle.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: Boris Ostrovsky , David Vrabel , xen-devel Cc: Wei Liu List-Id: xen-devel@lists.xenproject.org T24gV2VkLCAyMDE2LTAxLTIwIGF0IDEwOjEwIC0wNTAwLCBCb3JpcyBPc3Ryb3Zza3kgd3JvdGU6 Cj4gT24gMDEvMjAvMjAxNiAxMDowMiBBTSwgRGF2aWQgVnJhYmVsIHdyb3RlOgo+ID4gT24gMjAv MDEvMTYgMTQ6NTIsIElhbiBDYW1wYmVsbCB3cm90ZToKPiA+ID4gT24gV2VkLCAyMDE2LTAxLTIw IGF0IDA5OjQwIC0wNTAwLCBCb3JpcyBPc3Ryb3Zza3kgd3JvdGU6Cj4gPiA+ID4gT24gMDEvMjAv MjAxNiAwNzoyMyBBTSwgSWFuIENhbXBiZWxsIHdyb3RlOgo+ID4gPiA+ID4gVGhlcmUgaGF2ZSBi ZWVuIGEgZmV3IHJlcG9ydHMgcmVjZW50bHlbMF0gd2hpY2ggcmVsYXRlIHRvIGEKPiA+ID4gPiA+ IGZhaWx1cmUgb2YKPiA+ID4gPiA+IG5ldGZyb250IHRvIGFsbG9jYXRlIHN1ZmZpY2llbnQgZ3Jh bnQgcmVmcyBmb3IgYWxsIHRoZSBxdWV1ZXM6Cj4gPiA+ID4gPiAKPiA+ID4gPiA+IFvCoMKgwqDC oDAuNTMzNTg5XSB4ZW5fbmV0ZnJvbnQ6IGNhbid0IGFsbG9jIHJ4IGdyYW50IHJlZnMKPiA+ID4g PiA+IFvCoMKgwqDCoDAuNTMzNjEyXSBuZXQgZXRoMDogb25seSBjcmVhdGVkIDMxIHF1ZXVlcwo+ ID4gPiA+ID4gCj4gPiA+ID4gPiBXaGljaCBjYW4gYmUgd29ya2VkIGFyb3VuZCBieSBpbmNyZWFz aW5nIHRoZSBudW1iZXIgb2YgZ3JhbnRzIG9uCj4gPiA+ID4gPiB0aGUKPiA+ID4gPiA+IGh5cGVy dmlzb3IgY29tbWFuZCBsaW5lIG9yIGJ5IGxpbWl0aW5nIHRoZSBudW1iZXIgb2YgcXVldWVzCj4g PiA+ID4gPiBwZXJtaXR0ZWQKPiA+ID4gPiA+IGJ5Cj4gPiA+ID4gPiBlaXRoZXIgYmFjayBvciBm cm9udCB1c2luZyBhIG1vZHVsZSBwYXJhbSAod2hpY2ggd2FzIGJyb2tlbiBidXQKPiA+ID4gPiA+ IGlzIG5vdwo+ID4gPiA+ID4gZml4ZWQgb24gYm90aCBzaWRlcywgYnV0IEknbSBub3Qgc3VyZSBp dCBoYXMgYmVlbiBiYWNrcG9ydGVkCj4gPiA+ID4gPiBldmVyeXdoZXJlCj4gPiA+ID4gPiBzdWNo IHRoYXQgaXQgaXMgYSByZWxpYWJsZSB0aGluZyB0byBhbHdheXMgdGVsbCB1c2VycyBhcyBhCj4g PiA+ID4gPiB3b3JrYXJvdW5kKS4KPiA+ID4gPiA+IAo+ID4gPiA+ID4gSXMgdGhlcmUgYW55IHBs YW4gdG8gZG8gYW55dGhpbmcgYWJvdXQgdGhlIGRlZmF1bHQvb3V0IG9mIHRoZSBib3gKPiA+ID4g PiA+IGV4cGVyaWVuY2U/IEVpdGhlciBsaW1pdGluZyB0aGUgbnVtYmVyIG9mIHF1ZXVlcyBvciBt YWtpbmcgYm90aAo+ID4gPiA+ID4gZW5kcwo+ID4gPiA+ID4gY29wZQo+ID4gPiA+ID4gbW9yZSBn cmFjZWZ1bGx5IHdpdGggZmFpbHVyZSB0byBjcmVhdGUgc29tZSBxdWV1ZXMgKG9yIGJvdGgpCj4g PiA+ID4gPiBtaWdodCBiZQo+ID4gPiA+ID4gc3VmZmljaWVudD8KPiA+ID4gPiA+IAo+ID4gPiA+ ID4gSSB0aGluayB0aGUgY3Jhc2ggYWZ0ZXIgdGhlIGFib3ZlIGluIHRoZSBmaXJzdCBsaW5rIGF0 IFswXSBpcwo+ID4gPiA+ID4gZml4ZWQ/IEkKPiA+ID4gPiA+IHRoaW5rIHRoYXQgd2FzIHRoZSBw dXJwb3NlIG9mIGNhODhlYTEyNDdkZiAieGVuLW5ldGZyb250OiB1cGRhdGUKPiA+ID4gPiA+IG51 bV9xdWV1ZXMKPiA+ID4gPiA+IHRvIHJlYWwgY3JlYXRlZCIgd2hpY2ggd2FzIGluIDQuMy4KPiA+ ID4gPiBJIHRoaW5rIGNhODhlYTEyNDdkZiBpcyB0aGUgc29sdXRpb24gLS0tIGl0IHdpbGwgbGlt aXQgdGhlIG51bWJlcgo+ID4gPiA+IG9mCj4gPiA+ID4gcXVldWVzLgo+ID4gPiBUaGF0J3MgaW4g NC40LCB3aGljaCB0aGUgZmlyc3QgbGluayBhdCBbMF0gY2xhaW1lZCB0byBoYXZlIHRlc3RlZC4g SQo+ID4gPiBjYW4KPiA+ID4gc2VlIHRoaXMgZml4aW5nIHRoZSBjcmFzaCwgYnV0IGRvZXMgaXQg cmVhbGx5IGZpeCB0aGUgImFjdHVhbGx5IHdvcmtzCj4gPiA+IHdpdGgKPiA+ID4gbGVzcyBxdWV1 ZXMgdGhhbiBpdCB0cmllZCB0byBnZXQiIGlzc3VlPwo+IAo+IFRoYXQncyB3aGF0IEkgdGhvdWdo dCBpdCBkb2VzIHRvby4gSSBkaWRuJ3Qgbm90aWNlIHRoYXQgNC40IHdhcyB0ZXN0ZWQgCj4gYXMg d2VsbCwgc28gbWF5YmUgbm90LgoKSSd2ZSBhc2tlZCB0aGUgcmVwb3J0ZXIgdG8gc2VuZCBsb2dz IGZvciB0aGUgNC40IGNhc2UgdG8geGVuLWRldmVsLgoKSWFuLgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4t ZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK