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Thu, 10 Sep 2020 05:27:15 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-88-Vv-OybvCMQSx-L2wyG8B1A-1; Thu, 10 Sep 2020 10:26:29 +0100 X-MC-Unique: Vv-OybvCMQSx-L2wyG8B1A-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 10 Sep 2020 10:26:28 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Thu, 10 Sep 2020 10:26:28 +0100 From: David Laight To: 'Christophe Leroy' , 'Linus Torvalds' , Segher Boessenkool CC: linux-arch , Kees Cook , the arch/x86 maintainers , "Nick Desaulniers" , Linux Kernel Mailing List , Christoph Hellwig , "Luis Chamberlain" , Al Viro , linux-fsdevel , linuxppc-dev , Alexey Dobriyan Subject: RE: remove the last set_fs() in common code, and remove it for x86 and powerpc v3 Thread-Topic: remove the last set_fs() in common code, and remove it for x86 and powerpc v3 Thread-Index: AQHWhvDyD2c/lZfV3kC0Ftay5UVebqlhgjnw///zuACAABnIEA== Date: Thu, 10 Sep 2020 09:26:28 +0000 Message-ID: <59a64e9a210847b59f70f9bd2d02b5c3@AcuMS.aculab.com> References: <20200903142242.925828-1-hch@lst.de> <20200903142803.GM1236603@ZenIV.linux.org.uk> <20200909184001.GB28786@gate.crashing.org> <3beb8b019e4a4f7b81fdb1bc68bd1e2d@AcuMS.aculab.com> <186a62fc-042c-d6ab-e7dc-e61b18945498@csgroup.eu> In-Reply-To: <186a62fc-042c-d6ab-e7dc-e61b18945498@csgroup.eu> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Content-Language: en-US Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org RnJvbTogQ2hyaXN0b3BoZSBMZXJveQ0KPiBTZW50OiAxMCBTZXB0ZW1iZXIgMjAyMCAwOToxNA0K PiANCj4gTGUgMTAvMDkvMjAyMCDDoCAxMDowNCwgRGF2aWQgTGFpZ2h0IGEgw6ljcml0wqA6DQo+ ID4gRnJvbTogTGludXMgVG9ydmFsZHMNCj4gPj4gU2VudDogMDkgU2VwdGVtYmVyIDIwMjAgMjI6 MzQNCj4gPj4gT24gV2VkLCBTZXAgOSwgMjAyMCBhdCAxMTo0MiBBTSBTZWdoZXIgQm9lc3Nlbmtv b2wNCj4gPj4gPHNlZ2hlckBrZXJuZWwuY3Jhc2hpbmcub3JnPiB3cm90ZToNCj4gPj4+DQo+ID4+ PiBJdCB3aWxsIG5vdCB3b3JrIGxpa2UgdGhpcyBpbiBHQ0MsIG5vLiAgVGhlIExMVk0gcGVvcGxl IGtub3cgYWJvdXQgdGhhdC4NCj4gPj4+IEkgZG8gbm90IGtub3cgd2h5IHRoZXkgaW5zaXN0IG9u IHB1c2hpbmcgdGhpcywgYmVpbmcgaW5jb21wYXRpYmxlIGFuZA0KPiA+Pj4gZXZlcnl0aGluZy4N Cj4gPj4NCj4gPj4gVW1tLiBTaW5jZSB0aGV5J2QgYmUgdGhlIG9uZXMgc3VwcG9ydGluZyB0aGlz LCAqZ2NjKiB3b3VsZCBiZSB0aGUNCj4gPj4gaW5jb21wYXRpYmxlIG9uZSwgbm90IGNsYW5nLg0K PiA+DQo+ID4gSSBoYWQgYW4gJ2ludGVyZXN0aW5nJyBpZGVhLg0KPiA+DQo+ID4gQ2FuIHlvdSB1 c2UgYSBsb2NhbCBhc20gcmVnaXN0ZXIgdmFyaWFibGUgYXMgYW4gaW5wdXQgYW5kIG91dHB1dCB0 bw0KPiA+IGFuICdhc20gdm9sYXRpbGUgZ290bycgc3RhdGVtZW50Pw0KPiA+DQo+ID4gV2VsbCB5 b3UgY2FuIC0gYnV0IGlzIGl0IGd1YXJhbnRlZWQgdG8gd29yayA6LSkNCj4gPg0KPiANCj4gV2l0 aCBnY2MgYXQgbGVhc3QgaXQgc2hvdWxkIHdvcmsgYWNjb3JkaW5nIHRvDQo+IGh0dHBzOi8vZ2Nj LmdudS5vcmcvb25saW5lZG9jcy9nY2MvTG9jYWwtUmVnaXN0ZXItVmFyaWFibGVzLmh0bWwNCj4g DQo+IFRoZXkgZXZlbiBleHBsaWNpdGVseSB0ZWxsOiAiVGhlIG9ubHkgc3VwcG9ydGVkIHVzZSBm b3IgdGhpcyBmZWF0dXJlIGlzDQo+IHRvIHNwZWNpZnkgcmVnaXN0ZXJzIGZvciBpbnB1dCBhbmQg b3V0cHV0IG9wZXJhbmRzIHdoZW4gY2FsbGluZyBFeHRlbmRlZA0KPiBhc20gIg0KDQpBIHF1aWNr IHRlc3QgaXNuJ3QgZ29vZC4uLi4NCg0KaW50IGJhcihjaGFyICp6KQ0Kew0KICAgICAgICBfX2xh YmVsX18gbGFiZWw7DQogICAgICAgIHJlZ2lzdGVyIGludCBlYXggYXNtICgiZWF4IikgPSA2Ow0K ICAgICAgICBhc20gdm9sYXRpbGUgZ290byAoIiBtb3YgJDEsICUlZWF4IiA6OjogImVheCIgOiBs YWJlbCk7DQoNCmxhYmVsOg0KICAgICAgICByZXR1cm4gZWF4Ow0KfQ0KDQowMDAwMDAwMDAwMDAw MDQwIDxiYXI+Og0KICA0MDogICBiOCAwMSAwMCAwMCAwMCAgICAgICAgICBtb3YgICAgJDB4MSwl ZWF4DQogIDQ1OiAgIGI4IDA2IDAwIDAwIDAwICAgICAgICAgIG1vdiAgICAkMHg2LCVlYXgNCiAg NGE6ICAgYzMgICAgICAgICAgICAgICAgICAgICAgcmV0cQ0KDQphbHRob3VnaCBhZGRpbmc6DQog ICAgICAgIGFzbSB2b2xhdGlsZSAoIiIgOiAiK3IiIChlYXgpKTsNCmVpdGhlciBzaWRlIG9mIHRo ZSAnYXNtIHZvbGF0aWxlIGdvdG8nIGRvZXMgZml4IGl0Lg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0 ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBL ZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K