From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: Re: [PATCH net-next v2 5/5] virtio-net: keep tx interrupts disabled unless kick Date: Thu, 20 Apr 2017 14:17:21 +0800 Message-ID: <72551dd3-ba91-812e-9065-d153bf8a7024@redhat.com> References: <20170418202108.61920-1-willemdebruijn.kernel@gmail.com> <20170418202108.61920-6-willemdebruijn.kernel@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Cc: Willem de Bruijn , virtualization@lists.linux-foundation.org, davem@davemloft.net, mst@redhat.com To: Willem de Bruijn , netdev@vger.kernel.org Return-path: In-Reply-To: <20170418202108.61920-6-willemdebruijn.kernel@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Id: netdev.vger.kernel.org CgpPbiAyMDE35bm0MDTmnIgxOeaXpSAwNDoyMSwgV2lsbGVtIGRlIEJydWlqbiB3cm90ZToKPiBG cm9tOiBXaWxsZW0gZGUgQnJ1aWpuIDx3aWxsZW1iQGdvb2dsZS5jb20+Cj4KPiBUeCBuYXBpIG1v ZGUgaW5jcmVhc2VzIHRoZSByYXRlIG9mIHRyYW5zbWl0IGludGVycnVwdHMuIFN1cHByZXNzIHNv bWUKPiBieSBtYXNraW5nIGludGVycnVwdHMgd2hpbGUgbW9yZSBwYWNrZXRzIGFyZSBleHBlY3Rl ZC4gVGhlIGludGVycnVwdHMKPiB3aWxsIGJlIHJlZW5hYmxlZCBiZWZvcmUgdGhlIGxhc3QgcGFj a2V0IGlzIHNlbnQuCj4KPiBUaGlzIG9wdGltaXphdGlvbiByZWR1Y2VzIHRoZSB0aHJvdWdwdXQg ZHJvcCB3aXRoIHR4IG5hcGkgZm9yCj4gdW5pZGlyZWN0aW9uYWwgZmxvd3Mgc3VjaCBhcyBVRFBf U1RSRUFNIHRoYXQgZG8gbm90IGJlbmVmaXQgZnJvbQo+IGNsZWFuaW5nIHR4IGNvbXBsZXRpb25z IGluIHRoZSB0aGUgcmVjZWl2ZSBuYXBpIGhhbmRsZXIuCj4KPiBTaWduZWQtb2ZmLWJ5OiBXaWxs ZW0gZGUgQnJ1aWpuIDx3aWxsZW1iQGdvb2dsZS5jb20+Cj4gLS0tCj4gICBkcml2ZXJzL25ldC92 aXJ0aW9fbmV0LmMgfCA4ICsrKysrKystCj4gICAxIGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRpb25z KCspLCAxIGRlbGV0aW9uKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9uZXQvdmlydGlvX25l dC5jIGIvZHJpdmVycy9uZXQvdmlydGlvX25ldC5jCj4gaW5kZXggYjE0YzgyY2UwMDMyLi5iMTA3 YWUwMTE2MzIgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9uZXQvdmlydGlvX25ldC5jCj4gKysrIGIv ZHJpdmVycy9uZXQvdmlydGlvX25ldC5jCj4gQEAgLTExOTYsOCArMTE5NiwxNCBAQCBzdGF0aWMg bmV0ZGV2X3R4X3Qgc3RhcnRfeG1pdChzdHJ1Y3Qgc2tfYnVmZiAqc2tiLCBzdHJ1Y3QgbmV0X2Rl dmljZSAqZGV2KQo+ICAgCWJvb2wgdXNlX25hcGkgPSBzcS0+bmFwaS53ZWlnaHQ7Cj4gICAKPiAg IAkvKiBGcmVlIHVwIGFueSBwZW5kaW5nIG9sZCBidWZmZXJzIGJlZm9yZSBxdWV1ZWluZyBuZXcg b25lcy4gKi8KPiAtCWlmICghdXNlX25hcGkpCj4gKwlpZiAodXNlX25hcGkpIHsKPiArCQlpZiAo a2ljaykKPiArCQkJdmlydHF1ZXVlX2VuYWJsZV9jYl9kZWxheWVkKHNxLT52cSk7Cj4gKwkJZWxz ZQo+ICsJCQl2aXJ0cXVldWVfZGlzYWJsZV9jYihzcS0+dnEpOwoKU2luY2UgdmlydHF1ZXVlX2Rp c2FibGVfY2IoKSBkbyBub3RoaW5nIGZvciBldmVudCBpZHguIEkgd29uZGVyIHdoZXRoZXIgCm9y IG5vdCBqdXN0IGNhbGxpbmcgZW5hYmxlX2NiX2RlYWx5ZWQoKSBpcyBvayBoZXJlLgoKQnR3LCBp dCBkb2VzIG5vdCBkaXNhYmxlIGludGVycnVwdCBhdCBhbGwsIEkgcHJvcG9zZSBhIHBhdGNoIGlu IHRoZSBwYXN0IAp3aGljaCBjYW4gZG8gbW9yZSB0aGFuIHRoaXM6CgpodHRwczovL3BhdGNod29y ay5rZXJuZWwub3JnL3BhdGNoLzY0NzI2MDEvCgpUaGFua3MKCgoKPiArCX0gZWxzZSB7Cj4gICAJ CWZyZWVfb2xkX3htaXRfc2ticyhzcSk7Cj4gKwl9Cj4gICAKPiAgIAkvKiB0aW1lc3RhbXAgcGFj a2V0IGluIHNvZnR3YXJlICovCj4gICAJc2tiX3R4X3RpbWVzdGFtcChza2IpOwoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVmlydHVhbGl6YXRpb24gbWFp bGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBz Oi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0 aW9u