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Thu, 22 Mar 2018 05:47:53 -0700 Received: by emcmailer; Thu, 22 Mar 2018 05:47:53 -0700 Received: from [156.67.243.126] (helo=AcuMS.aculab.com) by out6e.electric.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1eyzdI-000Kvy-T3; Thu, 22 Mar 2018 05:47:52 -0700 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 22 Mar 2018 12:48:51 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Thu, 22 Mar 2018 12:48:50 +0000 From: David Laight To: 'Linus Torvalds' , 'Ingo Molnar' CC: 'Thomas Gleixner' , 'Rahul Lakkireddy' , "'x86@kernel.org'" , "'linux-kernel@vger.kernel.org'" , "'netdev@vger.kernel.org'" , "'mingo@redhat.com'" , "'hpa@zytor.com'" , "'davem@davemloft.net'" , "'akpm@linux-foundation.org'" , "'ganeshgr@chelsio.com'" , "'nirranjan@chelsio.com'" , "'indranil@chelsio.com'" , 'Andy Lutomirski' , 'Peter Zijlstra' , 'Fenghua Yu' , 'Eric Biggers' Subject: RE: [RFC PATCH 0/3] kernel: add support for 256-bit IO access Thread-Topic: [RFC PATCH 0/3] kernel: add support for 256-bit IO access Thread-Index: AQHTv43TjMVMzNQoikSg1VH837bpVaPXnqXggAAJp4CAAAH+gIADWB3UgAELVpCAACZUYA== Date: Thu, 22 Mar 2018 12:48:50 +0000 Message-ID: References: <7f0ddb3678814c7bab180714437795e0@AcuMS.aculab.com> <7f8d811e79284a78a763f4852984eb3f@AcuMS.aculab.com> <20180320082651.jmxvvii2xvmpyr2s@gmail.com> <20180321074634.dzpyjz3ia46snodh@gmail.com> <2f5cb27711e741fba77846574e72eb62@AcuMS.aculab.com> In-Reply-To: <2f5cb27711e741fba77846574e72eb62@AcuMS.aculab.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.33] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Outbound-IP: 156.67.243.126 X-Env-From: David.Laight@ACULAB.COM X-Proto: esmtps X-Revdns: X-HELO: AcuMS.aculab.com X-TLS: TLSv1.2:ECDHE-RSA-AES256-SHA384:256 X-Authenticated_ID: X-PolicySMART: 3396946, 3397078 X-Virus-Status: Scanned by VirusSMART (c) X-Virus-Status: Scanned by VirusSMART (s) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogRGF2aWQgTGFpZ2h0DQo+IFNlbnQ6IDIyIE1hcmNoIDIwMTggMTA6MzYNCi4uLg0KPiBB bnkgY29kZSB3b3VsZCBuZWVkIHRvIGJlIGluIG1lbWNweV9mcm9taW8oKSwgbm90IGluIGV2ZXJ5 IGRyaXZlciB0aGF0DQo+IG1pZ2h0IGJlbmVmaXQuDQo+IFRoZW4gZmFsbGJhY2sgY29kZSBjYW4g YmUgdXNlZCBpZiB0aGUgcmVnaXN0ZXJzIGFyZW4ndCBhdmFpbGFibGUuDQo+IA0KPiA+ICAoYikg d2UgY2FuJ3QgZ3VhcmFudGVlIHRoYXQgJXltbSByZWdpc3RlciB3cml0ZSB3aWxsIHNob3cgdXAg b24gYW55DQo+ID4gYnVzIGFzIGEgc2luZ2xlIHdyaXRlIHRyYW5zYWN0aW9uIGFueXdheQ0KPiAN Cj4gTWlzYWxpZ25lZCA4IGJ5dGUgYWNjZXNzZXMgZ2VuZXJhdGUgYSBzaW5nbGUgUENJZSBUTFAu DQo+IEkgY2FuIGxvb2sgYXQgd2hhdCBoYXBwZW5zIGZvciBBVlgyIHRyYW5zZmVycyBsYXRlci4N Cj4gSSd2ZSBnb3QgY29kZSB0aGF0IG1tYXAoKXMgUENJZSBhZGRyZXNzZXMgaW50byB1c2VyIHNw YWNlLCBhbmQgY2FuDQo+IGxvb2sgYXQgdGhlIFRMUCAoaW5kaXJlY3RseSB0aHJvdWdoIHRyYWNp bmcgb24gYW4gZnBnYSB0YXJnZXQpLg0KPiBKdXN0IG5lZWQgdG8gc2V0IHNvbWV0aGluZyB1cCB0 aGF0IHVzZXMgQVZYIGNvcGllcy4NCg0KT24gbXkgaTctNzcwMCByZWFkcyBpbnRvIHhtbSByZWdp c3RlcnMgZ2VuZXJhdGUgMTYgYnl0ZSBUTFAgYW5kDQpyZWFkcyBpbnRvIHltbSByZWdpc3RlcnMg MzIgYnl0ZSBUTFAuDQpJIGRvbid0IHRoaW5rIEkndmUgYSBzeXN0ZW0gdGhhdCBzdXBwb3J0cyBh dngtNTEyDQoNCldpdGggbXkgbGV0aGFyZ2ljIGZwZ2Egc2xhdmUgMzIgYnl0ZXMgcmVhZHMgaGFw cGVuIGV2ZXJ5IDE0NCBjbG9ja3MNCmFuZCAxNiBieXRlIG9uZXMgZXZlcnkgMTI2ICgrLy0gdGhl IG9kZCBjbG9jaykuDQpTaW5nbGUgYnl0ZXMgb25lcyBoYXBwZW4gZXZlcnkgMTA4LCA4IGJ5dGUg MTE3Lg0KU28gSSBoYXZlIChhYm91dCkgMTEwIGNsb2NrIG92ZXJoZWFkIG9uIGV2ZXJ5IHJlYWQg Y3ljbGUuDQpUaGVzZSBjbG9ja3MgYXJlIHRoZSA2Mi41TUh6IGNsb2NrIG9uIHRoZSBmcGdhLg0K DQpTbyBpZiB3ZSBuZWVkZWQgdG8gZG8gUElPIHJlYWRzIHVzaW5nIHRoZSBBVlgyIChvciBiZXR0 ZXIgQVZYLTUxMikNCnJlZ2lzdGVycyB3b3VsZCBtYWtlIGEgc2lnbmlmaWNhbnQgZGlmZmVyZW5j ZS4NCkZvcnR1bmF0ZWx5IHdlIGNhbiAnZG1hJyBtb3N0IG9mIHRoZSBkYXRhIHdlIG5lZWQgdG8g dHJhbnNmZXIuDQoNCkkndmUgdHJhY2VkIHdyaXRlcyBiZWZvcmUsIHRoZXkgYXJlIGEgbG90IGZh c3RlciBhbmQgYXJlIGxpbWl0ZWQNCmJ5IHRoaW5ncyBpbiB0aGUgZnBnYSBmYWJyaWMgKHRoZXkg YXBwZWFyIGJhY2sgdG8gYmFjaykuDQoNCglEYXZpZA0KDQo=