From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: Re: [PATCH 1/3] net: macb: fix random memory corruption on RX with 64-bit DMA Date: Wed, 5 Dec 2018 12:37:25 +0000 Message-ID: References: <20181130182137.27974-1-anssi.hannula@bitwise.fi> <20181130182137.27974-2-anssi.hannula@bitwise.fi> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: , , To: , , Return-path: Received: from esa6.microchip.iphmx.com ([216.71.154.253]:59759 "EHLO esa6.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726149AbeLEMhb (ORCPT ); Wed, 5 Dec 2018 07:37:31 -0500 In-Reply-To: <20181130182137.27974-2-anssi.hannula@bitwise.fi> Content-Language: en-US Content-ID: <5F7EF3C57EE0AD42A785930AE09D4C31@namprd11.prod.outlook.com> Sender: netdev-owner@vger.kernel.org List-ID: SGkgQW5zc2ksDQoNCkZldyBjb21tZW50cy4uLiBPdGhlcndpc2UgSSB0ZXN0ZWQgdGhpcyBzZXJp ZXMgb24gYSBTQU1BNUQyIFhwbGFpbmVkIGFuZA0KU0FNQTVENCBYcGxhaW5lZCB1bmRlciBoZWF2 eSB0cmFmZmljIGFuZCBpdCBzZWVtcyB0byBiZWhhdmUgT0suDQoNClRoYW5rIHlvdSwNCkNsYXVk aXUgQmV6bmVhDQoNCk9uIDMwLjExLjIwMTggMjA6MjEsIEFuc3NpIEhhbm51bGEgd3JvdGU6DQo+ IDY0LWJpdCBETUEgYWRkcmVzc2VzIGFyZSBzcGxpdCBpbiB1cHBlciBhbmQgbG93ZXIgaGFsdmVz IHRoYXQgYXJlDQo+IHdyaXR0ZW4gaW4gc2VwYXJhdGUgZmllbGRzIG9uIEdFTS4gRm9yIFJYLCBi aXQgMCBvZiB0aGUgYWRkcmVzcyBpcyB1c2VkDQo+IGFzIHRoZSBvd25lcnNoaXAgYml0IChSWF9V U0VEKS4gV2hlbiB0aGUgUlhfVVNFRCBiaXQgaXMgdW5zZXQgdGhlDQo+IGNvbnRyb2xsZXIgaXMg YWxsb3dlZCB0byB3cml0ZSBkYXRhIHRvIHRoZSBidWZmZXIuDQo+IA0KPiBUaGUgZHJpdmVyIGRv ZXMgbm90IGd1YXJhbnRlZSB0aGF0IHRoZSBjb250cm9sbGVyIGFscmVhZHkgc2VlcyB0aGUgdXBw ZXINCj4gaGFsZiB3aGVuIHRoZSBSWF9VU0VEIGJpdCBpcyBjbGVhcmVkLCBwb3NzaWJseSByZXN1 bHRpbmcgaW4gdGhlDQo+IGNvbnRyb2xsZXIgd3JpdGluZyBhbiBpbmNvbWluZyBmcmFtZSB0byBh biBhZGRyZXNzIHdpdGggYW4gaW5jb3JyZWN0DQo+IHVwcGVyIGhhbGYgYW5kIHRoZXJlZm9yZSBw b3NzaWJseSBjb3JydXB0aW5nIHVucmVsYXRlZCBzeXN0ZW0gbWVtb3J5Lg0KPiANCj4gRml4IHRo YXQgYnkgYWRkaW5nIHRoZSBuZWNlc3NhcnkgRE1BIG1lbW9yeSBiYXJyaWVyIGJldHdlZW4gdGhl IHdyaXRlcy4+DQo+IFRoaXMgY29ycnVwdGlvbiB3YXMgb2JzZXJ2ZWQgb24gYSBaeW5xTVAgYmFz ZWQgc3lzdGVtLg0KPiANCj4gU2lnbmVkLW9mZi1ieTogQW5zc2kgSGFubnVsYSA8YW5zc2kuaGFu bnVsYUBiaXR3aXNlLmZpPg0KPiBGaXhlczogZmZmODAxOWEwOGI2ICgibmV0OiBtYWNiOiBBZGQg NjQgYml0IGFkZHJlc3Npbmcgc3VwcG9ydCBmb3IgR0VNIikNCj4gQ2M6IE5pY29sYXMgRmVycmUg PG5pY29sYXMuZmVycmVAbWljcm9jaGlwLmNvbT4NCj4gQ2M6IEhhcmluaSBLYXRha2FtIDxoYXJp bmkua2F0YWthbUB4aWxpbnguY29tPg0KPiBDYzogTWljaGFsIFNpbWVrIDxtaWNoYWwuc2ltZWtA eGlsaW54LmNvbT4NCj4gLS0tDQo+ICBkcml2ZXJzL25ldC9ldGhlcm5ldC9jYWRlbmNlL21hY2Jf bWFpbi5jIHwgNSArKysrKw0KPiAgMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKQ0KPiAN Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvbmV0L2V0aGVybmV0L2NhZGVuY2UvbWFjYl9tYWluLmMg Yi9kcml2ZXJzL25ldC9ldGhlcm5ldC9jYWRlbmNlL21hY2JfbWFpbi5jDQo+IGluZGV4IGQ4Yzdj YTAzN2FlMy4uMGJjMmFhYjdiZTQwIDEwMDY0NA0KPiAtLS0gYS9kcml2ZXJzL25ldC9ldGhlcm5l dC9jYWRlbmNlL21hY2JfbWFpbi5jDQo+ICsrKyBiL2RyaXZlcnMvbmV0L2V0aGVybmV0L2NhZGVu Y2UvbWFjYl9tYWluLmMNCj4gQEAgLTY4Miw2ICs2ODIsMTEgQEAgc3RhdGljIHZvaWQgbWFjYl9z ZXRfYWRkcihzdHJ1Y3QgbWFjYiAqYnAsIHN0cnVjdCBtYWNiX2RtYV9kZXNjICpkZXNjLCBkbWFf YWRkcl8NCj4gIAlpZiAoYnAtPmh3X2RtYV9jYXAgJiBIV19ETUFfQ0FQXzY0Qikgew0KPiAgCQlk ZXNjXzY0ID0gbWFjYl82NGJfZGVzYyhicCwgZGVzYyk7DQo+ICAJCWRlc2NfNjQtPmFkZHJoID0g dXBwZXJfMzJfYml0cyhhZGRyKTsNCj4gKwkJLyogVGhlIGxvdyBiaXRzIG9mIFJYIGFkZHJlc3Mg Y29udGFpbiB0aGUgUlhfVVNFRCBiaXQsIGNsZWFyaW5nDQo+ICsJCSAqIG9mIHdoaWNoIGFsbG93 cyBwYWNrZXQgUlguIE1ha2Ugc3VyZSB0aGUgaGlnaCBiaXRzIGFyZSBhbHNvDQo+ICsJCSAqIHZp c2libGUgdG8gSFcgYXQgdGhhdCBwb2ludC4NCj4gKwkJICovDQo+ICsJCWRtYV93bWIoKTsNCg0K SSB0aGluayBhIHdtYigpIHdvdWxkIGZpdCBiZXR0ZXIgaGVyZSBzbyB0aGF0IG9uIEFSTSB0byBh bHNvIGZvcmNlIHRoZQ0KZmx1c2hpbmcgb2YgY2FjaGVzIG5vdCBhZmZlY3RlZCBieSBkbWIoKSBi eSBjYWxsaW5nIGFybV9oZWF2eV9tYigpLg0KDQpUaGFuayB5b3UsDQpDbGF1ZGl1IEJlem5lYQ0K DQo+ICAJfQ0KPiAgI2VuZGlmDQo+ICAJZGVzYy0+YWRkciA9IGxvd2VyXzMyX2JpdHMoYWRkcik7 DQo+IA0K