From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:58762 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726507AbgITVNi (ORCPT ); Sun, 20 Sep 2020 17:13:38 -0400 From: David Laight Subject: RE: [PATCH 1/9] kernel: add a PF_FORCE_COMPAT flag Date: Sun, 20 Sep 2020 21:13:24 +0000 Message-ID: <8363d874e503470f8caa201e85e9fbd4@AcuMS.aculab.com> References: <20200918124533.3487701-1-hch@lst.de> <20200918124533.3487701-2-hch@lst.de> <20200920151510.GS32101@casper.infradead.org> <20200920180742.GN3421308@ZenIV.linux.org.uk> <20200920190159.GT32101@casper.infradead.org> <20200920191031.GQ3421308@ZenIV.linux.org.uk> <20200920192259.GU32101@casper.infradead.org> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Content-Language: en-US List-ID: To: 'Arnd Bergmann' , Andy Lutomirski Cc: Matthew Wilcox , Al Viro , Christoph Hellwig , Andrew Morton , Jens Axboe , David Howells , linux-arm-kernel , X86 ML , LKML , "open list:MIPS" , Parisc List , linuxppc-dev , linux-s390 , sparclinux , linux-block , Linux SCSI List , Linux FS Devel , linux-aio , "io-uring@vger.kernel.org" , linux-arch , Linux-MM , Network Development , "keyrings@vger.kernel.org" , LSM List RnJvbTogQXJuZCBCZXJnbWFubg0KPiBTZW50OiAyMCBTZXB0ZW1iZXIgMjAyMCAyMTo0OQ0KPiAN Cj4gT24gU3VuLCBTZXAgMjAsIDIwMjAgYXQgOToyOCBQTSBBbmR5IEx1dG9taXJza2kgPGx1dG9A a2VybmVsLm9yZz4gd3JvdGU6DQo+ID4gT24gU3VuLCBTZXAgMjAsIDIwMjAgYXQgMTI6MjMgUE0g TWF0dGhldyBXaWxjb3ggPHdpbGx5QGluZnJhZGVhZC5vcmc+IHdyb3RlOg0KPiA+ID4NCj4gPiA+ IE9uIFN1biwgU2VwIDIwLCAyMDIwIGF0IDA4OjEwOjMxUE0gKzAxMDAsIEFsIFZpcm8gd3JvdGU6 DQo+ID4gPiA+IElNTyBpdCdzIG11Y2ggc2FuZXIgdG8gbWFyayB0aG9zZSBhbmQgcmVmdXNlIHRv IHRvdWNoIHRoZW0gZnJvbSBpb191cmluZy4uLg0KPiA+ID4NCj4gPiA+IFNpbXBsZXIgc29sdXRp b24gaXMgdG8gcmVtb3ZlIGlvX3VyaW5nIGZyb20gdGhlIDMyLWJpdCBzeXNjYWxsIGxpc3QuDQo+ ID4gPiBJZiB5b3UncmUgYSAzMi1iaXQgcHJvY2VzcywgeW91IGRvbid0IGdldCB0byB1c2UgaW9f dXJpbmcuICBXb3VsZA0KPiA+ID4gYW55IHJlYWwgdXNlcnMgYWN0dWFsbHkgY2FyZSBhYm91dCB0 aGF0Pw0KPiA+DQo+ID4gV2UgY291bGQgZ28gb25lIHN0ZXAgZmFydGhlciBhbmQgZGVjbGFyZSB0 aGF0IHdlJ3JlIGRvbmUgYWRkaW5nICphbnkqDQo+ID4gbmV3IGNvbXBhdCBzeXNjYWxscyA6KQ0K PiANCj4gV291bGQgeW91IGFsc28gc3RvcCBhZGRpbmcgc3lzdGVtIGNhbGxzIHRvIG5hdGl2ZSAz Mi1iaXQgc3lzdGVtcyB0aGVuPw0KPiANCj4gT24gbWVtb3J5IGNvbnN0cmFpbmVkIHN5c3RlbXMg KGxlc3MgdGhhbiAyR0IgYS50Lm0uKSwgdGhlcmUgaXMgc3RpbGwgYQ0KPiBzdHJvbmcgZGVtYW5k IGZvciBydW5uaW5nIDMyLWJpdCB1c2VyIHNwYWNlLCBidXQgYWxsIG9mIHRoZSByZWNlbnQgQXJt DQo+IGNvcmVzIChhZnRlciBDb3J0ZXgtQTU1KSBkcm9wcGVkIHRoZSBhYmlsaXR5IHRvIHJ1biAz Mi1iaXQga2VybmVscywgc28NCj4gdGhhdCBjb21wYXQgbW9kZSBtYXkgZXZlbnR1YWxseSBiZWNv bWUgdGhlIHByaW1hcnkgd2F5IHRvIHJ1bg0KPiBMaW51eCBvbiBjaGVhcCBlbWJlZGRlZCBzeXN0 ZW1zLg0KPiANCj4gSSBkb24ndCB0aGluayB0aGVyZSBpcyBhbnkgY2hhbmNlIHdlIGNhbiByZWFs aXN0aWNhbGx5IHRha2UgYXdheSBpb191cmluZw0KPiBmcm9tIHRoZSAzMi1iaXQgQUJJIGFueSBt b3JlIG5vdy4NCg0KQ2FuJ3QgaXQganVzdCBydW4gcmVxdWVzdHMgZnJvbSAzMmJpdCBhcHBzIGlu IGEga2VybmVsIHRocmVhZCB0aGF0IGhhcw0KdGhlICdpbl9jb21wYXRfc3lzY2FsbCcgZmxhZyBz ZXQ/DQpOb3QgdGhhdCBpIHJlY2FsbCBzZWVpbmcgdGhlIGNvZGUgd2hlcmUgaXQgc2F2ZXMgdGhl ICdjb21wYXQnIG5hdHVyZQ0Kb2YgYW55IHJlcXVlc3RzLg0KDQpJdCBpcyBhbHJlYWR5IGNvbXBs ZXRlbHkgZipja2VkIGlmIHlvdSB0cnkgdG8gcGFzcyB0aGUgY29tbWFuZCByaW5nDQp0byBhIGNo aWxkIHByb2Nlc3MgLSBpdCB1c2VzIHRoZSB3cm9uZyAnbW0nLg0KSSBzdXNwZWN0IHRoZXJlIGFy ZSBzb21lIHJlYWxseSBob3JyaWQgc2VjdXJpdHkgaG9sZXMgaW4gdGhhdCBhcmVhLg0KDQoJRGF2 aWQuDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3Vu dCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3 Mzg2IChXYWxlcykNCg==