From: "Kani, Toshi" Subject: Re: [PATCH v3 2/3] arm64: Implement page table free interfaces Date: Mon, 19 Mar 2018 19:29:27 +0000 Message-ID: <1521487759.2693.224.camel@hpe.com> References: <1521463256-19858-1-git-send-email-cpandya@codeaurora.org> <1521463256-19858-3-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: <1521463256-19858-3-git-send-email-cpandya@codeaurora.org> Content-Language: en-US Content-ID: <343C81ABBCE43E429C438C0119AB3BC0@NAMPRD84.PROD.OUTLOOK.COM> Sender: linux-kernel-owner@vger.kernel.org To: "cpandya@codeaurora.org" , "mark.rutland@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" 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" , "akpm@linux-foundation.org" , "gregkh@linuxfoundation.org" , "linux-arm-kernel@lists.infradead.org" , "marc.zyngier@arm.com" , "arnd@arndb.de" , "linux-arch@vger.kernel.org" List-Id: linux-arch.vger.kernel.org T24gTW9uLCAyMDE4LTAzLTE5IGF0IDE4OjEwICswNTMwLCBDaGludGFuIFBhbmR5YSB3cm90ZToN Cj4gSW1wbGVtZW50IHB1ZF9mcmVlX3BtZF9wYWdlKCkgYW5kIHBtZF9mcmVlX3B0ZV9wYWdlKCku DQo+IA0KPiBJbXBsZW1lbnRhdGlvbiByZXF1aXJlcywNCj4gIDEpIEZyZWVpbmcgb2YgdGhlIHVu LXVzZWQgbmV4dCBsZXZlbCBwYWdlIHRhYmxlcw0KPiAgMikgQ2xlYXJpbmcgb2ZmIHRoZSBjdXJy ZW50IHB1ZC9wbWQgZW50cnkNCj4gIDMpIEludmFsaWRhdGUgVExCIHdoaWNoIGNvdWxkIGhhdmUg cHJldmlvdXNseQ0KPiAgICAgdmFsaWQgYnV0IG5vdCBzdGFsZSBlbnRyeQ0KPiANCj4gU2lnbmVk LW9mZi1ieTogQ2hpbnRhbiBQYW5keWEgPGNwYW5keWFAY29kZWF1cm9yYS5vcmc+DQo+IC0tLQ0K PiAgYXJjaC9hcm02NC9tbS9tbXUuYyB8IDMwICsrKysrKysrKysrKysrKysrKysrKysrKysrKyst LQ0KPiAgMSBmaWxlIGNoYW5nZWQsIDI4IGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pDQo+ IA0KPiBkaWZmIC0tZ2l0IGEvYXJjaC9hcm02NC9tbS9tbXUuYyBiL2FyY2gvYXJtNjQvbW0vbW11 LmMNCj4gaW5kZXggZGE5ODgyOC4uYzcwZjEzOSAxMDA2NDQNCj4gLS0tIGEvYXJjaC9hcm02NC9t bS9tbXUuYw0KPiArKysgYi9hcmNoL2FybTY0L21tL21tdS5jDQo+IEBAIC00NSw2ICs0NSw3IEBA DQo+ICAjaW5jbHVkZSA8YXNtL21lbWJsb2NrLmg+DQo+ICAjaW5jbHVkZSA8YXNtL21tdV9jb250 ZXh0Lmg+DQo+ICAjaW5jbHVkZSA8YXNtL3B0ZHVtcC5oPg0KPiArI2luY2x1ZGUgPGFzbS90bGJm bHVzaC5oPg0KPiAgDQo+ICAjZGVmaW5lIE5PX0JMT0NLX01BUFBJTkdTCUJJVCgwKQ0KPiAgI2Rl ZmluZSBOT19DT05UX01BUFBJTkdTCUJJVCgxKQ0KPiBAQCAtOTc1LDEwICs5NzYsMzUgQEAgaW50 IHBtZF9jbGVhcl9odWdlKHBtZF90ICpwbWRwKQ0KPiAgDQo+ICBpbnQgcHVkX2ZyZWVfcG1kX3Bh Z2UocHVkX3QgKnB1ZCwgdW5zaWduZWQgbG9uZyBhZGRyKQ0KPiAgew0KPiAtCXJldHVybiBwdWRf bm9uZSgqcHVkKTsNCj4gKwlwbWRfdCAqcG1kOw0KPiArCWludCBpOw0KPiArDQo+ICsJcG1kID0g X192YShwdWRfdmFsKCpwdWQpKTsNCj4gKwlpZiAocHVkX3ZhbCgqcHVkKSkgew0KPiArCQlmb3Ig KGkgPSAwOyBpIDwgUFRSU19QRVJfUE1EOyBpKyspDQo+ICsJCQlwbWRfZnJlZV9wdGVfcGFnZSgm cG1kW2ldLCBhZGRyICsgKGkgKiBQTURfU0laRSkpOw0KPiArDQo+ICsJCWZyZWVfcGFnZSgodW5z aWduZWQgbG9uZykgcG1kKTsNCg0KV2h5IGRvIHlvdSB3YW50IHRvIGZyZWUgdGhpcyBwbWQgcGFn ZSBiZWZvcmUgY2xlYXJpbmcgdGhlIHB1ZCBlbnRyeSBvbg0KdGhpcyBhcm02NCB2ZXJzaW9uIChh cyBpdCBzZWVtcyB5b3UgaW50ZW50aW9uYWxseSBjaGFuZ2VkIGl0IGZyb20gdGhlDQp4ODYgdmVy c2lvbik/ICBJdCBjYW4gYmUgcmV1c2VkIHdoaWxlIGJlaW5nIHBvaW50ZWQgYnkgdGhlIHB1ZC4g IFNhbWUNCmZvciBwbWQuDQoNCj4gKwkJcHVkX2NsZWFyKHB1ZCk7DQo+ICsJCWZsdXNoX3RsYl9r ZXJuZWxfcmFuZ2UoYWRkciwgYWRkciArIFBVRF9TSVpFKTsNCg0KU2luY2UgeW91IHB1cmdlIHRo ZSBlbnRpcmUgcHVkIHJhbmdlIGhlcmUsIGRvIHlvdSBzdGlsbCBuZWVkIHRvIGNhbGwgDQpwbWRf ZnJlZV9wdGVfcGFnZSgpIHRvIHB1cmdlIGVhY2ggcG1kIHJhbmdlPyAgVGhpcyBsb29rcyB2ZXJ5 IGV4cGVuc2l2ZS4NCllvdSBtYXkgd2FudCB0byBjb25zaWRlciBpZiBjYWxsaW5nIGludGVybmFs IF9fcG1kX2ZyZWVfcHRlX3BhZ2UoKQ0Kd2l0aG91dCB0aGUgcHVyZ2Ugb3BlcmF0aW9uIHdvcmtz Lg0KDQotVG9zaGk=