From mboxrd@z Thu Jan 1 00:00:00 1970 From: Al Viro Date: Sun, 20 Sep 2020 18:41:57 +0000 Subject: Re: [PATCH 1/9] kernel: add a PF_FORCE_COMPAT flag Message-Id: <20200920184157.GP3421308@ZenIV.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1250" Content-Transfer-Encoding: base64 List-Id: References: <20200918124533.3487701-1-hch@lst.de> <20200918124533.3487701-2-hch@lst.de> <20200920151510.GS32101@casper.infradead.org> <20200920180742.GN3421308@ZenIV.linux.org.uk> In-Reply-To: <20200920180742.GN3421308@ZenIV.linux.org.uk> To: Matthew Wilcox Cc: Christoph Hellwig , Andrew Morton , Jens Axboe , Arnd Bergmann , David Howells , linux-arm-kernel@lists.infradead.org, x86@kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org, io-uring@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, keyrings@vger.kernel.org, linux-security-module@vger.kernel.org T24gU3VuLCBTZXAgMjAsIDIwMjAgYXQgMDc6MDc6NDJQTSArMDEwMCwgQWwgVmlybyB3cm90ZToK Cj4gL3Byb2MvYnVzL2lucHV0L2RldmljZXMgKGZ1Y2tlZCBiaXRtYXAtdG8tdGV4dCByZXByZXNl bnRhdGlvbikKClRvIGlsbHVzdHJhdGUgdGhlLCBlciwgYmVhdXR5IG9mIHRoYXQgc3R1ZmY6Cgo7 IGNhdDMyIC9wcm9jL2J1cy9pbnB1dC9kZXZpY2VzID4vdG1wL2EKOyBjYXQgL3Byb2MvYnVzL2lu cHV0L2RldmljZXMgPi90bXAvYgo7IGRpZmYgLXUgL3RtcC9hIC90bXAvYnxncmVwICdeWy0rXScK LS0tIC90bXAvYSAgICAgIDIwMjAtMDktMjAgMTQ6Mjg6NDMuNDQyNTYwNjkxIC0wNDAwCisrKyAv dG1wL2IgICAgICAyMDIwLTA5LTIwIDE0OjI4OjQ5LjAxODU0MzIzMCAtMDQwMAotQjogS0VZETAw ZiAyOTAyMDAwIDgzODAzMDdjIGY5MTBmMDAxIGZlZmZmZmRmIGZmZWZmZmZmIGZmZmZmZmZmIGZm ZmZmZmZlCitCOiBLRVkRMDBmMDI5MDIwMDAgODM4MDMwN2NmOTEwZjAwMSBmZWZmZmZkZmZmZWZm ZmZmIGZmZmZmZmZmZmZmZmZmZmUKLUI6IEtFWXAwMDAgMCAwIDAgMCAwIDAgMCAwCitCOiBLRVlw MDAwIDAgMCAwIDAKLUI6IEtFWUIwIDAgNzAwMDAgMCAwIDAgMCAwIDAgMCAwCitCOiBLRVlCMCA3 MDAwMCAwIDAgMCAwCi1COiBLRVkQMDAwMCAwIDAgMAorQjogS0VZEDAwMDAwMDAwMDAwMCAwCi1C OiBLRVlAMDAgMCAwIDAgMAorQjogS0VZQDAwIDAgMAotQjogS0VZgDAwIDAgMCAwIDAgMCAxMTAw YiA4MDAgMiAyMDAwMDAgMCAwIDAgMAorQjogS0VZgDAwMDAwMDAwMDAgMCAwIDExMDBiMDAwMDA4 MDAgMjAwMjAwMDAwIDAgMAotQjogS0VZPjAwMGIgMCAwIDAgMCAwIDAgMAorQjogS0VZPjAwMGIw MDAwMDAwMCAwIDAgMAotQjogS0VZ/2ZmZmZmZiBmZmZmZmZmZiBmZmZmZmZmZiBmZmZmZmZmZiBm ZmZmZmZmZiBmZmZmZmZmZiBmZmZmZmZmZiBmZmZmZmZmZQorQjogS0VZ/2ZmZmZmZmZmZmZmZmZm IGZmZmZmZmZmZmZmZmZmZmYgZmZmZmZmZmZmZmZmZmZmZiBmZmZmZmZmZmZmZmZmZmZlCjsgCihj YXQzMiBiZWluZyBhIDMyYml0IGJpbmFyeSBvZiBjYXQpCkFsbCB0aGUgZGlmZmVyZW5jZXMgYXJl IGR1ZSB0byBob21lZ3Jvd24gYml0bWFwLXRvLXRleHQgY29udmVyc2lvbi4KCk5vdGUgdGhhdCBm ZWVkaW5nIHRoYXQgaW50byBhIHBpcGUgbGVhdmVzIHRoZSByZWNlcGllbnQgd2l0aCBhIGxvdmVs eSBwcm9ibGVtIC0KeW91IGNhbid0IGdvIGJ5IHRoZSB3aWR0aCBvZiB3b3JkcyAodGhleSBhcmUg bm90IHplcm8tcGFkZGVkKSBhbmQgeW91IGNhbid0CmdvIGJ5IHRoZSBudW1iZXIgb2Ygd29yZHMg ZWl0aGVyIC0gaXQgdmFyaWVzIGZyb20gZGV2aWNlIHRvIGRldmljZS4KCkFuZCB0aGVyZSdzIG5v dGhpbmcgd2UgY2FuIGRvIHdpdGggdGhhdCAtIGl0J3MgYSB1c2VybGFuZCBBQkksIGNhbid0IGJl CmNoYW5nZWQgd2l0aG91dCBicmVha2luZyBzdHVmZi4gIEkgd291bGQgcHJlZmVyIHRvIGF2b2lk IGFkZGl0aW9uYWwgZXhhbXBsZXMKbGlrZSB0aGF0LCBUWVZNLi4u