From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Serge E. Hallyn" Subject: Re: [PATCH v2] ns: introduce getnspid syscall Date: Mon, 23 Jun 2014 15:32:30 +0200 Message-ID: <20140623133230.GA31817@mail.hallyn.com> References: <1403259512-10510-1-git-send-email-chenhanxiao@cn.fujitsu.com> <53A414B2.20108@nod.at> <5871495633F38949900D2BF2DC04883E54ECC5@G08CNEXMBPEKD02.g08.fujitsu.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <5871495633F38949900D2BF2DC04883E54ECC5-ZEd+hNNJ6a5ZYpXjqAkB5jz3u5zwRJJDAzI0kPv9QBlmR6Xm/wNWPw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: "chenhanxiao-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org" Cc: Richard Weinberger , "containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , Serge Hallyn , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Oleg Nesterov , David Howells , "Eric W. Biederman" , "linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Al Viro List-Id: linux-api@vger.kernel.org UXVvdGluZyBjaGVuaGFueGlhb0Bjbi5mdWppdHN1LmNvbSAoY2hlbmhhbnhpYW9AY24uZnVqaXRz dS5jb20pOgo+IEhpCj4gCj4gPiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQo+ID4gRnJvbTog UmljaGFyZCBXZWluYmVyZ2VyIFttYWlsdG86cmljaGFyZEBub2QuYXRdCj4gPiBTZW50OiBGcmlk YXksIEp1bmUgMjAsIDIwMTQgNzowMiBQTQo+ID4gVG86IENoZW4sIEhhbnhpYW8v6ZmIIOaZl+mc hDsgY29udGFpbmVyc0BsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZzsKPiA+IGxpbnV4LWtlcm5l bEB2Z2VyLmtlcm5lbC5vcmcKPiA+IENjOiBFcmljIFcuIEJpZWRlcm1hbjsgU2VyZ2UgSGFsbHlu OyBEYW5pZWwgUC4gQmVycmFuZ2U7IE9sZWcgTmVzdGVyb3Y7IEFsIFZpcm87Cj4gPiBEYXZpZCBI b3dlbGxzOyBQYXZlbCBFbWVseWFub3Y7IFZhc2lsaXkgS3VsaWtvdjsgR290b3UsIFlhc3Vub3Jp L+S6lOWztiDlurfmloc7Cj4gPiBsaW51eC1hcGlAdmdlci5rZXJuZWwub3JnCj4gPiBTdWJqZWN0 OiBSZTogW1BBVENIIHYyXSBuczogaW50cm9kdWNlIGdldG5zcGlkIHN5c2NhbGwKPiA+IAo+ID4g QW0gMjAuMDYuMjAxNCAxMjoxOCwgc2NocmllYiBDaGVuIEhhbnhpYW86Cj4gPiA+IFdlIG5lZWQg YSBkaXJlY3QgbWV0aG9kIG9mIGdldHRpbmcgdGhlIHBpZCBpbnNpZGUgY29udGFpbmVycy4KPiA+ ID4gSWYgc29tZSBpc3N1ZXMgb2NjdXJyZWQgaW5zaWRlIGNvbnRhaW5lciBndWVzdCwgaG9zdCB1 c2VyCj4gPiA+IGNvdWxkIG5vdCBrbm93IHdoaWNoIHByb2Nlc3MgaXMgaW4gdHJvdWJsZSBqdXN0 IGJ5IGd1ZXN0IHBpZDoKPiA+ID4gdGhlIHVzZXJzIG9mIGNvbnRhaW5lciBndWVzdCBvbmx5IGtu ZXcgdGhlIHBpZCBpbnNpZGUgY29udGFpbmVycy4KPiA+ID4gVGhpcyB3aWxsIGJyaW5nIG9ic3Rh Y2xlIGZvciB0cm91YmxlIHNob290aW5nLgo+ID4gPgo+ID4gPiBpbnQgZ2V0bnNwaWQocGlkX3Qg cGlkLCBpbnQgZmQxLCBpbnQgZmQyKTsKPiA+ID4KPiA+ID4gcGlkOiB0aGUgcGlkIG51bWJlciBu ZWVkIHRvIGJlIHRyYW5zbGF0ZWQuCj4gPiA+Cj4gPiA+IGZkOiBhIGZpbGUgZGVzY3JpcHRvciBy ZWZlcnJpbmcgdG8gb25lIG9mCj4gPiA+ICAgICB0aGUgbmFtZXNwYWNlIGVudHJpZXMgaW4gYSAv cHJvYy9bcGlkXS9ucy9waWQuCj4gPiA+ICAgICBmZDEgZm9yIGRlc3RpbmF0aW9uIG5zKG5zMSks IHdoZXJlIHRoZSBwaWQgY2FtZSBmcm9tLgo+ID4gPiAgICAgZmQyIGZvciByZWZlcmVuY2UgbnMo bnMyKSwgd2hpbGUgZmQyID0gLTIgbWVhbnMgZm9yIGN1cnJlbnQgbnMuCj4gPiA+Cj4gPiA+IHJl dHVybiB2YWx1ZToKPiA+ID4gICAgID4wIDogdHJhbnNsYXRlZCBwaWQgaW4gbnMxKGZkMSkgc2Vl biBmcm9tIG5zMihmZDIpLgo+ID4gPiAgICAgPD0wOiBvbiBmYWlsdXJlLgo+ID4gPgo+ID4gCj4g PiBJIGRvbid0IHRoaW5rIHRoYXQgYWRkaW5nIGEgbmV3IHN5c3RlbSBjYWxsIGZvciB0aGlzIGlz IGEgZ29vZCBzb2x1dGlvbi4KPiA+IFdlIG5lZWQgYSBtb3JlIGdlbmVyaWMgd2F5LiBJIGJldCBw ZW9wbGUgYXJlIGludGVyZXN0ZWQgaW4gbW9yZSB0aGFuIGp1c3QgUElECj4gPiBudW1iZXJzLgo+ IAo+IENvdWxkIHlvdSBwbGVhc2UgZ2l2ZSBzb21lIGhpbnRzIG9uIGhvdyB0byBleHBhbmQgdGhp cyBpbnRlcmZhY2U/Cj4gCj4gPiAKPiA+IEkgYWdyZWUgd2l0aCBFcmljIHRoYXQgYSBwcm9jZnMg c29sdXRpb24gaXMgbW9yZSBhcHByb3ByaWF0ZS4KPiA+IAo+IAo+IFByb2NmcyBpcyBhIGdvb2Qg c29sdXRpb24sIGJ1dCBzeXNjYWxsIGlzIG5vdCBiYWQgdGhvdWdoLgoKSSBtaWdodCBiZSBpbmNs aW5lZCB0byBhZ3JlZSwgZXhjZXB0IHRoYXQgaW4gdGhpcyBjYXNlIHlvdSBhcmUgc3RpbGwKbmVl ZGluZyBtb3VudGVkIHByb2NmcyBhbnl3YXkgdG8gZ2V0IHRoZSBwcm9jLyRwaWQvbnMvcGlkIGZk cy4KCkknbSBzb3JyeSwgSSd2ZSBub3QgYmVlbiB3YXRjaGluZyB0aGlzIHRocmVhZCwgc28gdGhp cyBwcm9iYWJseSBoYXMgYmVlbgpjb25zaWRlcmVkIGFuZCBkZWNpZGVkIGFnYWluc3QsIGJ1dCBJ J20gZ29pbmcgdG8gYXNrIGFueXdheS4gIEtlZXBpbmcKaW4gbWluZCBib3RoIGNoZWNrcG9pbnQt cmVzdGFydCBhbmQgYW5kIGludHJvc3BlY3Rpb24gZm9yIHVzZSBpbiBhCnNldG5zJ2QgY29tbWVu ZCwgd2h5IG5vdCBtYWtlIGl0CgpwaWRfdCBnZXRuc3BpZChwaWRfdCBxdWVyeV9waWQsIHBpZF90 IG9ic2VydmVyX3BpZCkKCndoaWNoIHJldHVybnMgdGhlIHByb2Nlc3MgaWQgb2YgcXVlcnlfcGlk IGFzIHNlZW4gZnJvbSBvYnNlcnZlcl9waWQncwpwaWRucz8KCgo+IFByb2NmcyB3b3JrcyBmb3Ig bWUsIGJ1dCB0aGF0IHNlZW1zIGNvdWxkIG5vdCBmaXQKPiBQYXZlbCdzIHJlcXVpcmVtZW50Lgo+ IEhpcyBvcGluaW9uIGlzIHRoYXQgYSBzeXNjYWxsIGlzIGEgbW9yZSBnZW5lcmljIGludGVyZmFj ZQo+IHRoYW4gcHJvYyBmaWxlcywgYW5kICBhbHNvIHZlcnkgaGVscGZ1bC4KPiBBbmQgc3lzY2Fs bCBjb3VsZCB0ZWxsIHdoZXRoZXIgYSBwaWQgbGl2ZXMgaW4gYSBzcGVjaWZpYyBwaWQgbmFtZXNw YWNlLAo+IG11Y2ggY29udmVuaWVudCB0aGFuIHByb2Nmcy4KPiAKPiBUaGFua3MsCj4gLSBDaGVu Cgo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gQ29u dGFpbmVycyBtYWlsaW5nIGxpc3QKPiBDb250YWluZXJzQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24u b3JnCj4gaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8v Y29udGFpbmVycwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KQ29udGFpbmVycyBtYWlsaW5nIGxpc3QKQ29udGFpbmVyc0BsaXN0cy5saW51eC1mb3VuZGF0 aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5m by9jb250YWluZXJz