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Tue, 9 Oct 2018 05:23:48 -0700 (PDT) Received: from DE02WEHTCA.internal.synopsys.com (10.225.19.92) by US01WEHTC2.internal.synopsys.com (10.12.239.237) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 9 Oct 2018 05:23:22 -0700 Received: from DE02WEMBXB.internal.synopsys.com ([fe80::95ce:118a:8321:a099]) by DE02WEHTCA.internal.synopsys.com ([::1]) with mapi id 14.03.0415.000; Tue, 9 Oct 2018 14:23:19 +0200 From: Eugeniy Paltsev To: "Eugeniy.Paltsev@synopsys.com" , "Vineet Gupta" , "linux-snps-arc@lists.infradead.org" CC: "linux-kernel@vger.kernel.org" , "Alexey Brodkin" Subject: Re: [PATCH] ARC: IOC: panic if kernel was started with previously enabled IOC Thread-Topic: [PATCH] ARC: IOC: panic if kernel was started with previously enabled IOC Thread-Index: AQHUW+PkXTieEhWAekSeARFpoqVELKUWvGkA Date: Tue, 9 Oct 2018 12:23:18 +0000 Message-ID: <1539087798.23085.29.camel@synopsys.com> References: <20181004131212.16405-1-Eugeniy.Paltsev@synopsys.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.121.3.38] Content-Type: text/plain; charset="utf-8" Content-ID: <6759588056C2A6438C6DCE8694BE0D74@internal.synopsys.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gRnJpLCAyMDE4LTEwLTA1IGF0IDIyOjU2ICswMDAwLCBWaW5lZXQgR3VwdGEgd3JvdGU6DQo+ IE9uIDEwLzA0LzIwMTggMDY6MTIgQU0sIEV1Z2VuaXkgUGFsdHNldiB3cm90ZToNCj4gPiAgDQo+ ID4gZGlmZiAtLWdpdCBhL2FyY2gvYXJjL21tL2NhY2hlLmMgYi9hcmNoL2FyYy9tbS9jYWNoZS5j DQo+ID4gaW5kZXggZjI3MDFjMTNhNjZiLi5lZTdiNjNlOWM1ZTMgMTAwNjQ0DQo+ID4gLS0tIGEv YXJjaC9hcmMvbW0vY2FjaGUuYw0KPiA+ICsrKyBiL2FyY2gvYXJjL21tL2NhY2hlLmMNCj4gPiBA QCAtMTE0NCw2ICsxMTQ0LDI1IEBAIG5vaW5saW5lIHZvaWQgX19pbml0IGFyY19pb2Nfc2V0dXAo dm9pZCkNCj4gPiAgew0KPiA+ICAJdW5zaWduZWQgaW50IGlvY19iYXNlLCBtZW1fc3o7DQo+ID4g IA0KPiA+ICsJLyoNCj4gPiArCSAqIERpc2FibGluZyBhbmQgcmVjb25maWd1cmluZyBvZiBJT0Mg YXJlIHF1aXRlIGEgdHJpY2t5IGFjdGlvbnMgYmVjYXVzZQ0KPiA+ICsJICogbm9ib2R5IGtub3dz IHdoYXQgaGFwcGVucyBpZiB0aGVyZSdyZSBJT0MtYWhuZGxlZCB0YXJuc2FjdGlvbnMgaW4NCj4g PiArCSAqIGZsaWdodCB3aGVuIHdlJ3JlIGRpc2FibGluZyBJT0MuDQo+ID4gKwkgKg0KPiA+ICsJ ICogQW5kIHRoZSBwcm9ibGVtIGlzIGV4dGVybmFsIERNQSBtYXN0ZXJzIFt0aGF0IHdlcmUgaW5p dGlhbGl6ZWQgYW5kDQo+ID4gKwkgKiBzZXQgaW4gYSBib290bGFvZGVyIHRoYXQgd2FzIGV4ZWN1 dGVkIGJlZm9yZSB3ZSBnb3QgaGVyZV0gbWlnaHQNCj4gPiArCSAqIGNvbnRpbnVlIHRvIHNlbmQg ZGF0YSB0byBtZW1vcnkgZXZlbiBhdCB0aGlzIHBvaW50IGFuZCB3ZSBoYXZlDQo+ID4gKwkgKiBu byB3YXkgdG8gcHJldmVudCB0aGF0Lg0KPiA+ICsJICoNCj4gPiArCSAqIFRoYXQgc2FpZCBpdCdz IG11Y2ggc2FmZXIgdG8gbm90IGVuYWJsZSBJT0MgYXQgYWxsIGFueXdoZXJlIGJlZm9yZQ0KPiA+ ICsJICogTGludXgga2VybmVsLg0KPiA+ICsJICovDQo+ID4gKwlpZiAocmVhZF9hdXhfcmVnKEFS Q19SRUdfSU9fQ09IX0VOQUJMRSkgJiBBUkNfSU9fQ09IX0VOQUJMRV9CSVQpDQo+ID4gKwkJcGFu aWMoImtlcm5lbCB3YXMgc3RhcnRlZCB3aXRoIHByZXZpb3VzbHkgZW5hYmxlZCBJT0MhXG4iKTsN Cj4gDQo+IFdoaWxlIEkgdW5kZXJzdGFuZCB0aGUgbmVlZHMsIHRoaXMgc2VlbXMgZXhjZXNzaXZl LCBzaG91bGQgd2Ugd2FybSB0aGUgdXNlciwNCj4gaW5zdGVhZCBvZiBwYW5pYyA/IERpZCB5b3Ug cnVuIGludG8gc3BlY2lmaWMgaXNzdWUgdG8gd2FycmFudCB0aGlzICENCg0KWWVzIHdlJ3ZlIHJ1 biBpbnRvIHRoaXMuDQpSZW1lbWJlciwgd2UgaGF2ZSBJT0MgZGlzYWJsZWQgKGFjdHVhbGx5ICdu b3QgZW5hYmxlZCcpIGluIG1vc3Qgb2YgSFNESyBsaW51eCBkZW1vcw0KKGh0dHBzOi8vZ2l0aHVi LmNvbS9mb3NzLWZvci1zeW5vcHN5cy1kd2MtYXJjLXByb2Nlc3NvcnMvYnVpbGRyb290LWRlbW9z L3JlbGVhc2VzKQ0KDQpTbyB3ZSBmYWNlZCBzZXZlcmFsIHRpbWVzIHRoYXQgdGhpcyBkZW1vcyBj cmFzaGVzIGRpZmZlcmVudCB3ZWlyZCB3YXlzIHdoZW4gd2UNCmFjY2lkZW50YWxseSBsYXVuY2gg dGhlbSB1c2luZyBvbGQgdS1ib290ICh3aGljaCBlbmFibGVzIElPQyBieSBkZWZhdWx0ISkNCg0K QXMgd2UgZG9uJ3Qgd2FudCB0byBmb3JjaWJseSBkaXNhYmxlIElPQyBkdXJpbmcgbGludXggbGF1 bmNoDQooaHR0cHM6Ly9sa21sLm9yZy9sa21sLzIwMTgvMS8xOS81NTcpIA0KSSBndWVzcyBwYW5p YyBpcyB3aGF0IHdlIG5lZWQgaGVyZS4NCg0KPiBPVE9IIGluIHJlY2VudCBwYXN0IG1vcmUgdGhh biAxIHBlcnNvbiByYW4gaW50byBzb21lIGhzZGsgdWJvb3Qgc2hlbmFuaWdhbnMsIHdoZXJlDQo+ IHdlIGhhZCB0byB1cGdyYWRlIHRoZSB1Ym9vdCB0byBnZXQgaXQgd29ya2luZyB3aXRoIHByZWJ1 aXQgaW1hZ2VzIC0gaXMgdGhhdCB3aGF0DQo+IHlvdSBhcmUgdHJ5aW5nIHRvIHByZXZlbnQgaGVy ZSAtIHBhbmljIGVhcmx5IGluc3RlYWQgb2YgcmFuZG9tIHVzZXIgZXJyb3JzIC8gaGFuZ3MNCj4g bGF0ZXIgPw0KDQpZZXMsIEkgcHJlZmVyIHRvIHBhbmljIGVhcmx5IGluc3RlYWQgb2YgcmFuZG9t IGVycm9ycyAvIGNyYXNoZXMgbGF0ZXIuDQpUaGUgcHJvYmxlbSB3aXRoIHdhcm5pbmcgaGVyZSBp cyB0aGF0IGl0IGlzbid0IHZlcnkgY2xlYXIgLyBlYXN5IHRvIG1hdGNoIHdhcm5pbmcNCm1lc3Nh Z2Ugd2l0aCBzb21lIHJhbmRvbSBlcnJvci4NCg0KPiAtVmluZWV0DQotLSANCiBFdWdlbml5IFBh bHRzZXY=