From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM01-SN1-obe.outbound.protection.outlook.com (mail-sn1nam01on071f.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe40::71f]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 0E5D41A1DE9 for ; Mon, 10 Oct 2016 08:26:07 -0700 (PDT) From: "Kani, Toshimitsu" Subject: Re: [PATCH] use a nocache copy for bvecs in copy_from_iter_nocache() Date: Mon, 10 Oct 2016 15:26:03 +0000 Message-ID: <1476113071.20881.15.camel@hpe.com> References: <20161007155511.21502-1-brian.boylston@hpe.com> <20161007170842.GQ19539@ZenIV.linux.org.uk> In-Reply-To: <20161007170842.GQ19539@ZenIV.linux.org.uk> Content-Language: en-US Content-ID: <49938475457C2849B27452052CD4DCE6@NAMPRD84.PROD.OUTLOOK.COM> MIME-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: "viro@ZenIV.linux.org.uk" , "Boylston, Brian" Cc: "linux-nvdimm@lists.01.org" , "Moreno," Oliver" , "x86@kernel.org, " , linux-kernel@vger.kernel.org" , "mingo@redhat.com" , "hpa@zytor.com" , "tglx@linutronix.de" List-ID: T24gRnJpLCAyMDE2LTEwLTA3IGF0IDE4OjA4ICswMTAwLCBBbCBWaXJvIHdyb3RlOg0KPiBPbiBG cmksIE9jdCAwNywgMjAxNiBhdCAxMDo1NToxMUFNIC0wNTAwLCBCcmlhbiBCb3lsc3RvbiB3cm90 ZToNCj4gPiANCj4gPiBjb3B5X2Zyb21faXRlcl9ub2NhY2hlKCkgaXMgb25seSAibm9jYWNoZSIg Zm9yIGlvdmVjcy7CoMKgRW5oYW5jZSBpdA0KPiA+IHRvIGFsc28gdXNlIGEgbm9jYWNoZSBjb3B5 IGZvciBidmVjcy7CoMKgVGhpcyBpbXByb3ZlcyBwZXJmb3JtYW5jZSBieQ0KPiA+IDItM1ggd2hl biBzcGxpY2UoKWluZyB0byBhIGZpbGUgaW4gYSBEQVgtbW91bnRlZCwgcG1lbS1iYWNrZWQgZmls ZQ0KPiA+IHN5c3RlbS4NCj4gDQo+ID4gDQo+ID4gK3N0YXRpYyB2b2lkIG1lbWNweV9mcm9tX3Bh Z2Vfbm9jYWNoZShjaGFyICp0bywgc3RydWN0IHBhZ2UgKnBhZ2UsDQo+ID4gc2l6ZV90IG9mZnNl dCwgc2l6ZV90IGxlbikNCj4gPiArew0KPiA+ICsJY2hhciAqZnJvbSA9IGttYXBfYXRvbWljKHBh Z2UpOw0KPiA+ICsJX19jb3B5X2Zyb21fdXNlcl9pbmF0b21pY19ub2NhY2hlKHRvLCBmcm9tLCBs ZW4pOw0KPiA+ICsJa3VubWFwX2F0b21pYyhmcm9tKTsNCj4gPiArfQ0KPiANCj4gQXQgdGhlIHZl cnkgbGVhc3QsIGl0IHdpbGwgYmxvdyB1cCBvbiBhbnkgYXJjaGl0ZWN0dXJlIHdpdGggc3BsaXQN Cj4gdXNlcmxhbmQgYW5kIGtlcm5lbCBNTVUgY29udGV4dHMuwqDCoFlvdSAqY2FuJ3QqIGZlZWQg YSBrZXJuZWwgcG9pbnRlcg0KPiB0byB0aGluZ3MgbGlrZSB0aGF0IGFuZCBleHBlY3QgaXQgdG8g d29yay7CoMKgQXQgdGhlIHZlcnkgbGVhc3QsIHlvdQ0KPiBuZWVkIHRvIGFkZCBtZW1jcHlfbm9j YWNoZSgpIGFuZCBoYXZlIGl0IGRlZmF1bHQgdG8gbWVtY3B5KCksIHdpdGgNCj4gbm9uLWR1bW15 IHZlcnNpb24gb24geDg2LsKgwqBBbmQgdXNlIF90aGF0XywgcmF0aGVyIHRoYW4gbWVzc2luZyB3 aXRoDQo+IF9fY29weV9mcm9tX3VzZXJfaW5hdG9taWNfbm9jYWNoZSgpDQoNCkdvb2QgcG9pbnQu IMKgSSB0aGluayB3ZSBjYW4gYWRkIG1lbWNweV9ub2NhY2hlKCkgd2hpY2ggY2FsbHMNCl9fY29w eV9mcm9tX3VzZXJfaW5hdG9taWNfbm9jYWNoZSgpIG9uIHg4NiBhbmQgZGVmYXV0cyB0byBtZW1j cHkoKSBvbg0Kb3RoZXIgYXJjaGl0ZWN0dXJlcy4NCg0KVGhhbmtzLA0KLVRvc2hpCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LW52ZGltbSBtYWls aW5nIGxpc3QKTGludXgtbnZkaW1tQGxpc3RzLjAxLm9yZwpodHRwczovL2xpc3RzLjAxLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2xpbnV4LW52ZGltbQo=