From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kani, Toshi" Subject: Re: [PATCH v2 2/4] ioremap: Implement TLB_INV before huge mapping Date: Thu, 15 Mar 2018 16:12:52 +0000 Message-ID: <1521130368.2693.177.camel@hpe.com> References: <1521117906-20107-1-git-send-email-cpandya@codeaurora.org> <1521117906-20107-3-git-send-email-cpandya@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1521117906-20107-3-git-send-email-cpandya@codeaurora.org> Content-Language: en-US Content-ID: <9168F7EEE5567C4387AEFF4307500D03@NAMPRD84.PROD.OUTLOOK.COM> Sender: linux-kernel-owner@vger.kernel.org To: "cpandya@codeaurora.org" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , "arnd@arndb.de" Cc: "linux-kernel@vger.kernel.org" , "ard.biesheuvel@linaro.org" , "tglx@linutronix.de" , "takahiro.akashi@linaro.org" , "james.morse@arm.com" , "kristina.martsenko@arm.com" , "mark.rutland@arm.com" , "akpm@linux-foundation.org" , "gregkh@linuxfoundation.org" , "linux-arm-kernel@lists.infradead.org" , "marc.zyngier@arm.com" , "linux-arch@vger.kernel.org" List-Id: linux-arch.vger.kernel.org T24gVGh1LCAyMDE4LTAzLTE1IGF0IDE4OjE1ICswNTMwLCBDaGludGFuIFBhbmR5YSB3cm90ZToN Cj4gSHVnZSBtYXBwaW5nIGNoYW5nZXMgUE1EL1BVRCB3aGljaCBjb3VsZCBoYXZlDQo+IHZhbGlk IHByZXZpb3VzIGVudHJpZXMuIFRoaXMgcmVxdWlyZXMgcHJvcGVyDQo+IFRMQiBtYWludGFuYW5j ZSBvbiBzb21lIGFyY2hpdGVjdHVyZXMsIGxpa2UNCj4gQVJNNjQuDQo+IA0KPiBJbXBsZW50IEJC TSAoYnJlYWstYmVmb3JlLW1ha2UpIHNhZmUgVExCDQo+IGludmFsaWRhdGlvbi4NCj4gDQo+IEhl cmUsIEkndmUgdXNlZCBmbHVzaF90bGJfcGd0YWJsZSgpIGluc3RlYWQNCj4gb2YgZmx1c2hfa2Vy bmVsX3JhbmdlKCkgYmVjYXVzZSBpbnZhbGlkYXRpbmcNCj4gaW50ZXJtZWRpYXRlIHBhZ2VfdGFi bGUgZW50cmllcyBjb3VsZCBoYXZlDQo+IGJlZW4gb3B0aW1pemVkIGZvciBzcGVjaWZpYyBhcmNo LiBUaGF0J3MgdGhlDQo+IGNhc2Ugd2l0aCBBUk02NCBhdCBsZWFzdC4NCj4gDQo+IFNpZ25lZC1v ZmYtYnk6IENoaW50YW4gUGFuZHlhIDxjcGFuZHlhQGNvZGVhdXJvcmEub3JnPg0KPiAtLS0NCj4g IGxpYi9pb3JlbWFwLmMgfCAyNSArKysrKysrKysrKysrKysrKysrLS0tLS0tDQo+ICAxIGZpbGUg Y2hhbmdlZCwgMTkgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkNCj4gDQo+IGRpZmYgLS1n aXQgYS9saWIvaW9yZW1hcC5jIGIvbGliL2lvcmVtYXAuYw0KPiBpbmRleCA1NGU1YmJhLi41NWY4 NjQ4IDEwMDY0NA0KPiAtLS0gYS9saWIvaW9yZW1hcC5jDQo+ICsrKyBiL2xpYi9pb3JlbWFwLmMN Cj4gQEAgLTEzLDYgKzEzLDcgQEANCj4gICNpbmNsdWRlIDxsaW51eC9leHBvcnQuaD4NCj4gICNp bmNsdWRlIDxhc20vY2FjaGVmbHVzaC5oPg0KPiAgI2luY2x1ZGUgPGFzbS9wZ3RhYmxlLmg+DQo+ ICsjaW5jbHVkZSA8YXNtLWdlbmVyaWMvdGxiLmg+DQo+ICANCj4gICNpZmRlZiBDT05GSUdfSEFW RV9BUkNIX0hVR0VfVk1BUA0KPiAgc3RhdGljIGludCBfX3JlYWRfbW9zdGx5IGlvcmVtYXBfcDRk X2NhcGFibGU7DQo+IEBAIC04MCw2ICs4MSw3IEBAIHN0YXRpYyBpbmxpbmUgaW50IGlvcmVtYXBf cG1kX3JhbmdlKHB1ZF90ICpwdWQsIHVuc2lnbmVkIGxvbmcgYWRkciwNCj4gIAkJdW5zaWduZWQg bG9uZyBlbmQsIHBoeXNfYWRkcl90IHBoeXNfYWRkciwgcGdwcm90X3QgcHJvdCkNCj4gIHsNCj4g IAlwbWRfdCAqcG1kOw0KPiArCXBtZF90IG9sZF9wbWQ7DQo+ICAJdW5zaWduZWQgbG9uZyBuZXh0 Ow0KPiAgDQo+ICAJcGh5c19hZGRyIC09IGFkZHI7DQo+IEBAIC05MSwxMCArOTMsMTUgQEAgc3Rh dGljIGlubGluZSBpbnQgaW9yZW1hcF9wbWRfcmFuZ2UocHVkX3QgKnB1ZCwgdW5zaWduZWQgbG9u ZyBhZGRyLA0KPiAgDQo+ICAJCWlmIChpb3JlbWFwX3BtZF9lbmFibGVkKCkgJiYNCj4gIAkJICAg ICgobmV4dCAtIGFkZHIpID09IFBNRF9TSVpFKSAmJg0KPiAtCQkgICAgSVNfQUxJR05FRChwaHlz X2FkZHIgKyBhZGRyLCBQTURfU0laRSkgJiYNCj4gLQkJICAgIHBtZF9mcmVlX3B0ZV9wYWdlKHBt ZCkpIHsNCj4gLQkJCWlmIChwbWRfc2V0X2h1Z2UocG1kLCBwaHlzX2FkZHIgKyBhZGRyLCBwcm90 KSkNCj4gKwkJICAgIElTX0FMSUdORUQocGh5c19hZGRyICsgYWRkciwgUE1EX1NJWkUpKSB7DQo+ ICsJCQlvbGRfcG1kID0gKnBtZDsNCj4gKwkJCXBtZF9jbGVhcihwbWQpOw0KDQpwbWRfY2xlYXIo KSBpcyBvbmUgb2YgdGhlIG9wZXJhdGlvbnMgcG1kX2ZyZWVfcHRlX3BhZ2UoKSBuZWVkcyB0byBk by4NClNlZSB0aGUgeDg2IHZlcnNpb24uDQoNCj4gKwkJCWZsdXNoX3RsYl9wZ3RhYmxlKCZpbml0 X21tLCBhZGRyKTsNCg0KWW91IGNhbiBjYWxsIGl0IGluIHBtZF9mcmVlX3B0ZV9wYWdlKCkgb24g YXJtNjQgYXMgd2VsbC4gDQoNCj4gKwkJCWlmIChwbWRfc2V0X2h1Z2UocG1kLCBwaHlzX2FkZHIg KyBhZGRyLCBwcm90KSkgew0KPiArCQkJCXBtZF9mcmVlX3B0ZV9wYWdlKCZvbGRfcG1kKTsNCj4g IAkJCQljb250aW51ZTsNCj4gKwkJCX0gZWxzZQ0KPiArCQkJCXNldF9wbWQocG1kLCBvbGRfcG1k KTsNCg0KSSBkbyBub3QgdW5kZXJzdGFuZCB3aHkgeW91IG5lZWRlZCB0byBtYWtlIHRoaXMgY2hh bmdlLiANCnBtZF9mcmVlX3B0ZV9wYWdlKCkgaXMgZGVmaW5lZCBhcyBhbiBhcmNoLXNwZWNpZmlj IGZ1bmN0aW9uIHNvIHRoYXQgeW91DQpjYW4gYWRkaXRpb25hbGx5IHBlcmZvcm0gVExCIHB1cmdl cyBvbiBhcm02NC4gIFBsZWFzZSB0cnkgdG8gbWFrZSBwcm9wZXINCmFybTY0IGltcGxlbWVudGF0 aW9uIG9mIHRoaXMgaW50ZXJmYWNlLiAgQW5kIGlmIHlvdSBmaW5kIGFueSBpc3N1ZSBpbg0KdGhp cyBpbnRlcmZhY2UsIHBsZWFzZSBsZXQgbWUga25vdy4NCg0KU2FtZSBmb3IgcHVkLg0KDQpUaGFu a3MsDQotVG9zaGkNCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from g9t5009.houston.hpe.com ([15.241.48.73]:54408 "EHLO g9t5009.houston.hpe.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751667AbeCOQMz (ORCPT ); Thu, 15 Mar 2018 12:12:55 -0400 From: "Kani, Toshi" Subject: Re: [PATCH v2 2/4] ioremap: Implement TLB_INV before huge mapping Date: Thu, 15 Mar 2018 16:12:52 +0000 Message-ID: <1521130368.2693.177.camel@hpe.com> References: <1521117906-20107-1-git-send-email-cpandya@codeaurora.org> <1521117906-20107-3-git-send-email-cpandya@codeaurora.org> In-Reply-To: <1521117906-20107-3-git-send-email-cpandya@codeaurora.org> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <9168F7EEE5567C4387AEFF4307500D03@NAMPRD84.PROD.OUTLOOK.COM> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-arch-owner@vger.kernel.org List-ID: To: "cpandya@codeaurora.org" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , "arnd@arndb.de" Cc: "linux-kernel@vger.kernel.org" , "ard.biesheuvel@linaro.org" , "tglx@linutronix.de" , "takahiro.akashi@linaro.org" , "james.morse@arm.com" , "kristina.martsenko@arm.com" , "mark.rutland@arm.com" , "akpm@linux-foundation.org" , "gregkh@linuxfoundation.org" , "linux-arm-kernel@lists.infradead.org" , "marc.zyngier@arm.com" , "linux-arch@vger.kernel.org" Message-ID: <20180315161252.IwJEnR72aP4GMNkRCPna_dSoziBNu5blsAISBufKfO4@z> T24gVGh1LCAyMDE4LTAzLTE1IGF0IDE4OjE1ICswNTMwLCBDaGludGFuIFBhbmR5YSB3cm90ZToN Cj4gSHVnZSBtYXBwaW5nIGNoYW5nZXMgUE1EL1BVRCB3aGljaCBjb3VsZCBoYXZlDQo+IHZhbGlk IHByZXZpb3VzIGVudHJpZXMuIFRoaXMgcmVxdWlyZXMgcHJvcGVyDQo+IFRMQiBtYWludGFuYW5j ZSBvbiBzb21lIGFyY2hpdGVjdHVyZXMsIGxpa2UNCj4gQVJNNjQuDQo+IA0KPiBJbXBsZW50IEJC TSAoYnJlYWstYmVmb3JlLW1ha2UpIHNhZmUgVExCDQo+IGludmFsaWRhdGlvbi4NCj4gDQo+IEhl cmUsIEkndmUgdXNlZCBmbHVzaF90bGJfcGd0YWJsZSgpIGluc3RlYWQNCj4gb2YgZmx1c2hfa2Vy bmVsX3JhbmdlKCkgYmVjYXVzZSBpbnZhbGlkYXRpbmcNCj4gaW50ZXJtZWRpYXRlIHBhZ2VfdGFi bGUgZW50cmllcyBjb3VsZCBoYXZlDQo+IGJlZW4gb3B0aW1pemVkIGZvciBzcGVjaWZpYyBhcmNo LiBUaGF0J3MgdGhlDQo+IGNhc2Ugd2l0aCBBUk02NCBhdCBsZWFzdC4NCj4gDQo+IFNpZ25lZC1v ZmYtYnk6IENoaW50YW4gUGFuZHlhIDxjcGFuZHlhQGNvZGVhdXJvcmEub3JnPg0KPiAtLS0NCj4g IGxpYi9pb3JlbWFwLmMgfCAyNSArKysrKysrKysrKysrKysrKysrLS0tLS0tDQo+ICAxIGZpbGUg Y2hhbmdlZCwgMTkgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkNCj4gDQo+IGRpZmYgLS1n aXQgYS9saWIvaW9yZW1hcC5jIGIvbGliL2lvcmVtYXAuYw0KPiBpbmRleCA1NGU1YmJhLi41NWY4 NjQ4IDEwMDY0NA0KPiAtLS0gYS9saWIvaW9yZW1hcC5jDQo+ICsrKyBiL2xpYi9pb3JlbWFwLmMN Cj4gQEAgLTEzLDYgKzEzLDcgQEANCj4gICNpbmNsdWRlIDxsaW51eC9leHBvcnQuaD4NCj4gICNp bmNsdWRlIDxhc20vY2FjaGVmbHVzaC5oPg0KPiAgI2luY2x1ZGUgPGFzbS9wZ3RhYmxlLmg+DQo+ ICsjaW5jbHVkZSA8YXNtLWdlbmVyaWMvdGxiLmg+DQo+ICANCj4gICNpZmRlZiBDT05GSUdfSEFW RV9BUkNIX0hVR0VfVk1BUA0KPiAgc3RhdGljIGludCBfX3JlYWRfbW9zdGx5IGlvcmVtYXBfcDRk X2NhcGFibGU7DQo+IEBAIC04MCw2ICs4MSw3IEBAIHN0YXRpYyBpbmxpbmUgaW50IGlvcmVtYXBf cG1kX3JhbmdlKHB1ZF90ICpwdWQsIHVuc2lnbmVkIGxvbmcgYWRkciwNCj4gIAkJdW5zaWduZWQg bG9uZyBlbmQsIHBoeXNfYWRkcl90IHBoeXNfYWRkciwgcGdwcm90X3QgcHJvdCkNCj4gIHsNCj4g IAlwbWRfdCAqcG1kOw0KPiArCXBtZF90IG9sZF9wbWQ7DQo+ICAJdW5zaWduZWQgbG9uZyBuZXh0 Ow0KPiAgDQo+ICAJcGh5c19hZGRyIC09IGFkZHI7DQo+IEBAIC05MSwxMCArOTMsMTUgQEAgc3Rh dGljIGlubGluZSBpbnQgaW9yZW1hcF9wbWRfcmFuZ2UocHVkX3QgKnB1ZCwgdW5zaWduZWQgbG9u ZyBhZGRyLA0KPiAgDQo+ICAJCWlmIChpb3JlbWFwX3BtZF9lbmFibGVkKCkgJiYNCj4gIAkJICAg ICgobmV4dCAtIGFkZHIpID09IFBNRF9TSVpFKSAmJg0KPiAtCQkgICAgSVNfQUxJR05FRChwaHlz X2FkZHIgKyBhZGRyLCBQTURfU0laRSkgJiYNCj4gLQkJICAgIHBtZF9mcmVlX3B0ZV9wYWdlKHBt ZCkpIHsNCj4gLQkJCWlmIChwbWRfc2V0X2h1Z2UocG1kLCBwaHlzX2FkZHIgKyBhZGRyLCBwcm90 KSkNCj4gKwkJICAgIElTX0FMSUdORUQocGh5c19hZGRyICsgYWRkciwgUE1EX1NJWkUpKSB7DQo+ ICsJCQlvbGRfcG1kID0gKnBtZDsNCj4gKwkJCXBtZF9jbGVhcihwbWQpOw0KDQpwbWRfY2xlYXIo KSBpcyBvbmUgb2YgdGhlIG9wZXJhdGlvbnMgcG1kX2ZyZWVfcHRlX3BhZ2UoKSBuZWVkcyB0byBk by4NClNlZSB0aGUgeDg2IHZlcnNpb24uDQoNCj4gKwkJCWZsdXNoX3RsYl9wZ3RhYmxlKCZpbml0 X21tLCBhZGRyKTsNCg0KWW91IGNhbiBjYWxsIGl0IGluIHBtZF9mcmVlX3B0ZV9wYWdlKCkgb24g YXJtNjQgYXMgd2VsbC4gDQoNCj4gKwkJCWlmIChwbWRfc2V0X2h1Z2UocG1kLCBwaHlzX2FkZHIg KyBhZGRyLCBwcm90KSkgew0KPiArCQkJCXBtZF9mcmVlX3B0ZV9wYWdlKCZvbGRfcG1kKTsNCj4g IAkJCQljb250aW51ZTsNCj4gKwkJCX0gZWxzZQ0KPiArCQkJCXNldF9wbWQocG1kLCBvbGRfcG1k KTsNCg0KSSBkbyBub3QgdW5kZXJzdGFuZCB3aHkgeW91IG5lZWRlZCB0byBtYWtlIHRoaXMgY2hh bmdlLiANCnBtZF9mcmVlX3B0ZV9wYWdlKCkgaXMgZGVmaW5lZCBhcyBhbiBhcmNoLXNwZWNpZmlj IGZ1bmN0aW9uIHNvIHRoYXQgeW91DQpjYW4gYWRkaXRpb25hbGx5IHBlcmZvcm0gVExCIHB1cmdl cyBvbiBhcm02NC4gIFBsZWFzZSB0cnkgdG8gbWFrZSBwcm9wZXINCmFybTY0IGltcGxlbWVudGF0 aW9uIG9mIHRoaXMgaW50ZXJmYWNlLiAgQW5kIGlmIHlvdSBmaW5kIGFueSBpc3N1ZSBpbg0KdGhp cyBpbnRlcmZhY2UsIHBsZWFzZSBsZXQgbWUga25vdy4NCg0KU2FtZSBmb3IgcHVkLg0KDQpUaGFu a3MsDQotVG9zaGkNCg==