From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from EUR01-VE1-obe.outbound.protection.outlook.com (mail-ve1eur01on0068.outbound.protection.outlook.com [104.47.1.68]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3vPpsM6Vv8zDq5x for ; Fri, 17 Feb 2017 21:19:03 +1100 (AEDT) From: Laurentiu Tudor To: Scott Wood , "linuxppc-dev@lists.ozlabs.org" , "mpe@ellerman.id.au" CC: Madalin-Cristian Bucur , "aneesh.kumar@linux.vnet.ibm.com" Subject: Re: [PATCH] powerpc: booke: fix boot crash due to null hugepd Date: Fri, 17 Feb 2017 10:18:56 +0000 Message-ID: <58A6CE0E.90905@nxp.com> References: <20170216151129.8971-1-laurentiu.tudor@nxp.com> <1487326104.5636.47.camel@buserror.net> In-Reply-To: <1487326104.5636.47.camel@buserror.net> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , DQoNCk9uIDAyLzE3LzIwMTcgMTI6MDggUE0sIFNjb3R0IFdvb2Qgd3JvdGU6DQo+IE9uIFRodSwg MjAxNy0wMi0xNiBhdCAwOToxMSAtMDYwMCwgbGF1cmVudGl1LnR1ZG9yQG54cC5jb20gd3JvdGU6 DQo+PiBGcm9tOiBMYXVyZW50aXUgVHVkb3IgPGxhdXJlbnRpdS50dWRvckBueHAuY29tPg0KPj4N Cj4+IE9uIDMyLWJpdCBib29rLWUgbWFjaGluZXMsIGh1Z2VwZF9vaygpIGRvZXMgbm90IHRha2UN Cj4+IGludG8gYWNjb3VudCBudWxsIGh1Z2VwZCB2YWx1ZXMsIGNhdXNpbmcgdGhpcyBjcmFzaCBh dCBib290Og0KPg0KPiBXaHkgb25seSAzMi1iaXQ/DQoNCkkgd2FudGVkIHRvIGdldCB0aGlzIHBh dGNoIG91dCBhcyBxdWljayBhcyBwb3NzaWJsZSBzbyBpIGRpZG4ndCBoYWQNCnRpbWUgdG8gaW52 ZXN0aWdhdGUgaW4gZGVwdGguIEkganVzdCB0ZXN0ZWQgb24gNjQtYml0IHRoYXQgdGhlDQprZXJu ZWwgYm9vdHMgb2suDQoNCj4+IGRpZmYgLS1naXQgYS9hcmNoL3Bvd2VycGMvaW5jbHVkZS9hc20v bm9oYXNoL3BndGFibGUuaA0KPj4gYi9hcmNoL3Bvd2VycGMvaW5jbHVkZS9hc20vbm9oYXNoL3Bn dGFibGUuaA0KPj4gaW5kZXggMGNkOGEzOC4uZTU4MDVhZCAxMDA2NDQNCj4+IC0tLSBhL2FyY2gv cG93ZXJwYy9pbmNsdWRlL2FzbS9ub2hhc2gvcGd0YWJsZS5oDQo+PiArKysgYi9hcmNoL3Bvd2Vy cGMvaW5jbHVkZS9hc20vbm9oYXNoL3BndGFibGUuaA0KPj4gQEAgLTIzMCw3ICsyMzAsNyBAQCBz dGF0aWMgaW5saW5lIGludCBodWdlcGRfb2soaHVnZXBkX3QgaHBkKQ0KPj4gICAJcmV0dXJuICgo aHBkX3ZhbChocGQpICYgMHg0KSAhPSAwKTsNCj4+ICAgI2Vsc2UNCj4+ICAgCS8qIFdlIGNsZWFy IHRoZSB0b3AgYml0IHRvIGluZGljYXRlIGh1Z2VwZCAqLw0KPj4gLQlyZXR1cm4gKChocGRfdmFs KGhwZCkgJiBQRF9IVUdFKSA9PSAgMCk7DQo+PiArCXJldHVybiAoaHBkX3ZhbChocGQpICYmICho cGRfdmFsKGhwZCkgJiBQRF9IVUdFKSA9PSAwKTsNCj4+ICAgI2VuZGlmDQo+PiAgIH0NCj4+DQo+ DQo+IEFueSByZWFzb24gd2h5IHRoaXMgY2FuJ3QgZ28gYmFjayB0byBiZWluZyAiaHBkX3ZhbCho cGQpID4gMCI/ICBXaHkgd2FzIG5vaGFzaA0KPiBjaGFuZ2VkIHRvIGJlZ2luIHdpdGg/ICBJIGRv bid0IGV4cGVjdCBub2hhc2ggKG9yIGF0IGxlYXN0IGZzbC1ib29rM2UpIHdpbGwNCj4gZXZlciBo YXZlIGEgcGFnZXRhYmxlIHRoYXQgaXMgbm90IG5hdGl2ZS1lbmRpYW4sIGFuZCAiPiAwIiBpcyBj b25zaXN0ZW50IHdpdGgNCj4gd2hhdCB0aGUgVExCIG1pc3MgY29kZSBpcyBkb2luZy4NCg0KVGhl IHBhdGNoIHRoYXQgaW50cm9kdWNlZCB0aGUgYnJva2VubmVzcyBjaGFuZ2VzICJodWdlcGRfdC5w ZCIgZnJvbSANCiJzaWduZWQgbG9uZyIgdG8gInVuc2lnbmVkIGxvbmciIHNvIGFzIGEgY29uc2Vx dWVuY2UgIj4gMCIgd2FzIHJlcGxhY2VkDQp3aXRoIHRoZSBiaXR3aXNlIG9wLg0KDQotLS0NCkJl c3QgUmVnYXJkcywgTGF1cmVudGl1