From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sathya Perla Subject: RE: [PATCH] be2net: Bugfix for packet drop with kernel param swiotlb=force Date: Wed, 26 Feb 2014 04:54:16 +0000 Message-ID: References: <1393033796.15717.90.camel@deadeye.wl.decadent.org.uk> <8ecfc5a6-7cb7-46ff-847e-4b081522eb9b@CMEXHTCAS1.ad.emulex.com> <1393347489.14067.5.camel@deadeye.wl.decadent.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "jiang.biao2@zte.com.cn" , "netdev@vger.kernel.org" , Subramanian Seetharaman , Ajit Khaparde , "wang.liang82@zte.com.cn" , "cai.qu@zte.com.cn" , "li.fengmao@zte.com.cn" , "long.chun@zte.com.cn" , David Miller To: Ben Hutchings Return-path: Received: from cmexedge1.ext.emulex.com ([138.239.224.99]:42576 "EHLO CMEXEDGE1.ext.emulex.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750933AbaBZEyV (ORCPT ); Tue, 25 Feb 2014 23:54:21 -0500 In-Reply-To: <1393347489.14067.5.camel@deadeye.wl.decadent.org.uk> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBCZW4gSHV0Y2hpbmdzIFttYWls dG86YmVuQGRlY2FkZW50Lm9yZy51a10NCj4gDQouLi4NCj4gPiA+ID4gPg0KPiA+ID4gPiA+IEZy b206IExpIEZlbmdtYW8gPGxpLmZlbmdtYW9AenRlLmNvbS5jbj4NCj4gPiA+ID4gPg0KPiA+ID4g PiA+IFRoZXJlIHdpbGwgYmUgcGFja2V0IGRyb3Agd2l0aCBrZXJuZWwgcGFyYW0gInN3aW90bGIg PSBmb3JjZSIgb24NCj4gPiA+ID4gPiBFbXVsZXggMTBHYiBOSUMgdXNpbmcgYmUybmV0IGRyaXZl ci4gVGhlIHByb2JsZW0gaXMgY2F1c2VkIGJ5DQo+ID4gPiA+ID4gcmVjZWl2aW5nIHNrYiB3aXRo b3V0IGNhbGxpbmcgcGNpX3VubWFwX3BhZ2UoKSBpbiBnZXRfcnhfcGFnZV9pbmZvKCkuDQo+ID4g PiA+ID4gcnhfcGFnZV9pbmZvLT5sYXN0X3BhZ2VfdXNlciBpcyBpbml0aWFsaXplZCB0byBmYWxz ZSBpbg0KPiA+ID4gPiA+IGJlX3Bvc3RfcnhfZnJhZ3MoKSB3aGVuIGN1cnJlbnQgZnJhZyBhcmUg bWFwcGVkIGluIHRoZSBmaXJzdCBoYWxmIG9mDQo+ID4gPiA+ID4gdGhlIHNhbWUgcGFnZSB3aXRo IGFub3RoZXIgZnJhZy4gQnV0IGluIHRoYXQgY2FzZSB3aXRoDQo+ID4gPiA+ID4gInN3aW90bGIg PSBmb3JjZSIgcGFyYW0sIGRhdGEgY2FuIG5vdCBiZSBjb3BpZWQgaW50byB0aGUgcGFnZSBvZg0K PiA+ID4gPiA+IHJ4X3BhZ2VfaW5mbyB3aXRob3V0IGNhbGxpbmcgcGNpX3VubWFwX3BhZ2UsIHNv IHRoZSBkYXRhIGZyYWcgbWFwcGVkDQo+ID4gPiA+ID4gaW4gdGhlIGZpcnN0IGhhbGYgb2YgdGhl IHBhZ2Ugd2lsbCBiZSBkcm9wcGVkLg0KPiA+ID4gPiA+DQo+ID4gPiA+ID4gSXQgY2FuIGJlIHNv bHZlZCBieSBjcmVhdGluZyBvbmx5IGEgbWFwcGluZyByZWxhdGlvbiBiZXR3ZWVuIGZyYWcNCj4g PiA+ID4gPiBhbmQgcGFnZSwgYW5kIGRlbGV0aW5nIHJ4X3BhZ2VfaW5mby0+bGFzdF9wYWdlX3Vz ZXIgdG8gZW5zdXJlDQo+ID4gPiA+ID4gY2FsbGluZyBwY2lfdW5tYXBfcGFnZSB3aGVuIGhhbmRs aW5nIGVhY2ggcmVjZWl2aW5nIGZyYWcuDQo+ID4gPiA+DQo+ID4gPiA+IFRoaXMgcGF0Y2ggdXNl cyBhbiBlbnRpcmUgcGFnZSBmb3IgZWFjaCBSWCBmcmFnICh3aG9zZSBkZWZhdWx0IHNpemUgaXMg MjA0OCkuDQo+ID4gPiA+IENvbnNlcXVlbnRseSwgb24gcGxhdGZvcm1zIGxpa2UgcHBjNjQgd2hl cmUgdGhlIGRlZmF1bHQgUEFHRV9TSVpFIGlzIDY0SywNCj4gPiA+ID4gbWVtb3J5IHVzYWdlIGJl Y29tZXMgdmVyeSBpbmVmZmljaWVudC4NCj4gPiA+ID4NCj4gPiA+ID4gSW5zdGVhZCwgSSd2ZSB0 cmllZCBhIHBhcnRpYWwtcGFnZSBtYXBwaW5nIHNjaGVtZS4gVGhpcyByZXRhaW5zIHRoZQ0KPiA+ ID4gPiBwYWdlIHNoYXJpbmcgbG9naWMsIGJ1dCB1bi1tYXBzIGVhY2ggZnJhZyBzZXBhcmF0ZWx5 IHNvIHRoYXQNCj4gPiA+ID4gdGhlIGRhdGEgaXMgY29waWVkIGZyb20gdGhlIGJvdW5jZSBidWZm ZXJzLg0KPiA+ID4gWy4uLl0NCj4gPiA+DQo+ID4gPiBZb3UgZG9uJ3QgbmVlZCB0byBtYXAvdW5t YXAgZWFjaCBmcmFnbWVudCBzZXBhcmF0ZWx5OyB5b3UgY2FuIHN5bmMgYQ0KPiA+ID4gc3ViLXBh Z2UgcmFuZ2Ugd2l0aCBkbWFfc3luY19zaW5nbGVfZm9yX2NwdSgpLg0KPiA+ID4NCj4gPg0KPiA+ IEJlbiwgYWZ0ZXIgc3luY2luZyBlYWNoIGZyYWcgd2l0aCBhIGRtYV9zeW5jX3NpbmdsZV9mb3Jf Y3B1KCkgY2FsbCwNCj4gPiB3b3VsZCBJIHN0aWxsIG5lZWQgdG8gZG1hX3VubWFwX3BhZ2UoKSBh ZnRlciBETUEgaXMgZG9uZSBvbiBhbGwgdGhlIGZyYWdzDQo+ID4gb2YgdGhlIHBhZ2U/IEkgdGhv dWdodCBJIG5lZWRlZCB0by4NCj4gDQo+IFllcy4NCj4gDQo+ID4gSSdtIGNvbmZ1c2VkIHRvIHNl ZSB0aGF0IHN3aW90bGJfYm91bmNlKCkgKHRoYXQgY29waWVzIGRhdGEgZnJvbSB0aGUgYm91bmNl IGJ1ZmZlcnMpDQo+ID4gaXMgY2FsbGVkIGZyb20gYm90aCBzd2lvdGxiX3N5bmNfc2luZ2xlX2Zv cl9jcHUoKSBhbmQgc3dpb3RsYl91bm1hcF9wYWdlKCkuDQo+ID4gSSBvZmNvdXJzZSBkb24ndCB3 YW50IHRoZSBkYXRhIHRvIGJlIGNvcGllZCBmcm9tIHRoZSBib3VuY2UgYnVmZmVycyB0d2ljZSEN Cj4gDQo+IFJpZ2h0LCB1bm1hcCBpbmNsdWRlcyBhIHN5bmMgc28geW91IHNob3VsZDoNCj4gLSBm b3IgdGhlIGxhc3QgZnJhZyBwZXIgcGFnZSwgZG1hX3VubWFwX3BhZ2UoKSBvbmx5DQo+IC0gZm9y IGV2ZXJ5IG90aGVyIGZyYWcsIGRtYV9zeW5jX3NpbmdsZV9mb3JfY3B1KCkgb25seQ0KDQpCZW4s IHRoZSBkbWFfdW5tYXBfcGFnZSgpIHJlcXVpcmVzIHVzIHRvIHBhc3MgdGhlIHNhbWUgZG1hX2Fk ZHIgYW5kIHNpemUgcmV0dXJuZWQgYnkNCihhbmQgcGFzc2VkIHRvKSB0aGUgZG1hX21hcF9wYWdl KCkgY2FsbC4NClNvLCBmb3IgdGhlIGxhc3QgZnJhZywgd2hlbiBJIGNhbGwgZG1hX21hcF9wYWdl KCkgd2l0aCB0aGUgcGFnZV9hZGRyIChhbmQgbm90IHRoZSBmcmFnX2FkZHIpIGFuZCB0aGUNCnBh Z2Ugc2l6ZSwgd29uJ3QgaXQgdHJ5IHRvIGNvcHkgdGhlIGRhdGEgYmVsb25naW5nIHRvIGFsbCB0 aGUgcHJldmlvdXMgZnJhZ3Mgb2YgcGFnZSBhZ2Fpbj8hIQ0KDQogdGhhbmtzLA0KLVNhdGh5YQ0K