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Thu, 12 Jul 2018 10:32:35 +0200 From: Alexey Brodkin To: Vineet Gupta CC: "linux-kernel@vger.kernel.org" , "linux-snps-arc@lists.infradead.org" Subject: Re: [PATCH] ARC: Improve handling of fatal signals in do_page_fault() Thread-Topic: [PATCH] ARC: Improve handling of fatal signals in do_page_fault() Thread-Index: AQHUD9XQgYH1u9RF+UG15MGoFlKsxaSLNI+A Date: Thu, 12 Jul 2018 08:32:34 +0000 Message-ID: References: <20180629182005.10243-1-abrodkin@synopsys.com> In-Reply-To: <20180629182005.10243-1-abrodkin@synopsys.com> Accept-Language: en-US, ru-RU Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.121.3.42] Content-Type: text/plain; charset="utf-8" Content-ID: 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 SGkgVmluZWV0LA0KDQpPbiBGcmksIDIwMTgtMDYtMjkgYXQgMTE6MjAgLTA3MDAsIEFsZXhleSBC cm9ka2luIHdyb3RlOg0KPiBUaGlzIHdhcyB0cmlnZ2VyZWQgYnkgaW52ZXN0aWdhdGlvbiBvZiBh IGRlYWRsb2NrIGFmdGVyIE9PTSBraWxsZXIgaW52b2NhdGlvbiwNCj4gc2VlIFsxXSBmb3IgbW9y ZSBkZXRhaWxzLg0KPiANCj4gTG9va3MgbGlrZSBvdXIgaGFuZGxpbmcgb2YgZmF0YWwgc2lnbmFs IGluIGRvX3BhZ2VfZmF1bHQoKSBoYXMgc29tZSBpc3N1ZXM6DQo+IA0KPiAxLiBXZSBvbmx5IHdh bnQgdG8gZG8gc3BlY2lhbCAocmVhZCAiZWFybHkiKSBoYW5kbGluZyBvZiBmYXRhbCBzaWduYWwN Cj4gICAgaWYgaGFuZGxlX21tX2ZhdWx0KCkgcmV0dXJuZWQgVk1fRkFVTFRfUkVUUlkgc28gdGhh dCB3ZSBkb24ndCBsb29wDQo+ICAgIGluIHJldHJ5IGxvb3AgZW5kbGVzc2x5LCBvdGhlcndpc2Ug d2UnbGwgaGFuZGxlIHRoYXQgc2lnbmFsIG5vcm1hbGx5DQo+ICAgIG9uIGV4aXQgZnJvbSBleGNl cHRpb24gaGFuZGxlci4NCj4gDQo+IDIuIHVwX3JlYWQoKSBpcyBub3QgbmVlZGVkIGFzIGluZGVl ZCBpdCB3aWxsIGJlIGRvbmUgaW4gX19sb2NrX3BhZ2Vfb3JfcmV0cnkoKQ0KPiAgICBpbiBtbS9m aWxlbWFwLmMuDQo+IA0KPiBXaXRoIGFib3ZlIGNvbW1lbnRzIGluIG1pbmQgc2ltcGxpZmllZCB2 ZXJzaW9uIHNob3VsZCBiZSBsaWtlIHRoYXQ6DQo+IC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0+OC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQ0KPiAJaWYgKGZhdGFsX3NpZ25hbF9w ZW5kaW5nKGN1cnJlbnQpDQo+IAkJaWYgKGZhdWx0ICYgVk1fRkFVTFRfUkVUUlkpDQo+IAkJCWlm ICh1c2VyX21vZGUocmVncykpDQo+IAkJCQlyZXR1cm47DQo+IC0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0+OC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQ0KPiANCj4gQnV0IGxvb2tz IGxpa2UgdGhlcmUncyBhIHJvb20gZm9yIGltcHJvdmVtZW50LCBzZWUgWzJdLg0KPiBJbnN0ZWFk IG9mIHByb2NlZWRpbmcgZm9yd2FyZCBhbmQgdGhlbiBpbmV2aXRhYmx5IGhpdHRpbmcgcmV0cnkg cGF0aCB3ZQ0KPiBzaG9ydC1jdXQgcmlnaHQgdG8ga2VybmVsIGZpeC11cCBjb2RlIGluIG5vX2Nv bnRleHQuDQo+IA0KPiBbMV0gaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvcGlwZXJtYWlsL2xp bnV4LXNucHMtYXJjLzIwMTgtRmVicnVhcnkvMDAzNDAzLmh0bWwNCj4gWzJdIGh0dHBzOi8vZ2l0 Lmtlcm5lbC5vcmcvcHViL3NjbS9saW51eC9rZXJuZWwvZ2l0L3RvcnZhbGRzL2xpbnV4LmdpdC9j b21taXQvP2lkPTc0NmEyNzJlNDQxNDFhZjI0YTAyZjZjOWIwZjY1ZjRjNDU5OGVkNDINCj4gDQo+ IFNpZ25lZC1vZmYtYnk6IEFsZXhleSBCcm9ka2luIDxhYnJvZGtpbkBzeW5vcHN5cy5jb20+DQoN Ckkgc2hvdWxkIGhhdmUgcHV0IHRoYXQgaW4gY29tbWl0IG1lc3NhZ2UgcmlnaHQgYXdheTopDQoN ClRoaXMgcGF0Y2ggZml4ZXMgT09NIGxvY2stdXAgd2Ugd2VyZSBzZWVpbmcgcHJldmlvdXNseSwN CnNlZSBTVEFSIDkwMDEzMDQ2NzQgIk9PTSBraWxsZXIgaGFuZ3Mgc3lzdGVtIi4NCg0KLUFsZXhl eQ==