From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: Re: [PATCH] mm: kill kmemcheck Date: Thu, 12 Mar 2015 09:47:54 -0400 Message-ID: <20150312094754.458606bb@gandalf.local.home> References: <1426074547-21888-1-git-send-email-sasha.levin@oracle.com> <1426132192.25936.7.camel@ellerman.id.au> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: Vladimir Davydov , Geert Uytterhoeven , "open list:SUPERH" , Catalin Marinas , Will Deacon , Jianyu Zhan , Paul Mackerras , Pavel Machek , Miklos Szeredi , Christoph Lameter , Marek Szyprowski , "open list:GENERIC INCLUDE/A..." , Andi Kleen , Russell King , Jingoo Han , James Morris , Chris Bainbridge , Antti Palosaari , Mel Gorman , Ritesh Harjani , Shaohua Li , Alexander Duyck , Wang Nan Return-path: In-Reply-To: <1426132192.25936.7.camel@ellerman.id.au> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" List-Id: linux-crypto.vger.kernel.org T24gVGh1LCAxMiBNYXIgMjAxNSAxNDo0OTo1MiArMTEwMApNaWNoYWVsIEVsbGVybWFuIDxtcGVA ZWxsZXJtYW4uaWQuYXU+IHdyb3RlOgo+IAo+ID5Gcm9tIERvY3VtZW50YXRpb24va2FzYW4udHh0 Ogo+IAo+ICAgICB0aGVyZWZvcmUgeW91IHdpbGwgbmVlZCBhIGNlcnRhaW4gdmVyc2lvbiBvZiBH Q0MgPiA0LjkuMgo+IAo+IEFGQUlLIGdjYyA0LjkuMyBoYXNuJ3QgYmVlbiByZWxlYXNlZCB5ZXQu IChPciBkb2VzIGl0IG1lYW4gPj0gNC45LjIgPykKCkl0IG1lYW5zIDQuOS4yLiBJIGFsc28gZmVl bCB0aGF0IHRoaXMgbWFrZXMgaXQgdG9vIHByZW1hdHVyZSB0byByZW1vdmUKa21lbWNoZWNrLCBh cyBub3QgZXZlcnlvbmUgKGluY2x1ZGluZyBteXNlbGYpIGhhcyB0aGUgbGF0ZXN0IGFuZApncmVh dGVzdCBnY2Mgb24gdGhlaXIgc3lzdGVtcy4KCj4gCj4gQ2FuIHdlIHBlcmhhcHMgd2FpdCB1bnRp bCB0aGVyZSBpcyBhIHJlbGVhc2VkIHZlcnNpb24gb2YgR0NDIHRoYXQgc3VwcG9ydHMKPiBLQVNh bj8gQW5kIG1heWJlIHRoZW4gYSB0b3VjaCBsb25nZXIgc28gZm9sa3MgY2FuIHRlc3QgaXQgd29y a3Mgb24gdGhlaXIKPiBwbGF0Zm9ybXM/Cj4gCgpOb3RlLCBJIHJlcGxpZWQgdG8gdGhpcyBjdXR0 aW5nIG91dCB0aGUgQ2MncyB0byB0aGUgaW5kaXZpZHVhbHMgc28gdGhhdAppdCBjYW4gaGF2ZSBh IHdpZGVyIGF1ZGllbmNlISAoZmlndXJlIG91dCB3aGF0IEkgbWVhbiBieSB0aGF0KS4gWW91IGNh bgpzZWUgbXkgcmVwbHkgb24gTEtNTCAoaGludCwgeW91IHdvbnQgc2VlIHRoZSBvcmlnaW5hbCBl bWFpbCwgb3IgdGhpcwpjdXJyZW50IHRocmVhZCBmb3IgdGhhdCBtYXR0ZXIpLgoKLS0gU3RldmUK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXhwcGMt ZGV2IG1haWxpbmcgbGlzdApMaW51eHBwYy1kZXZAbGlzdHMub3psYWJzLm9yZwpodHRwczovL2xp c3RzLm96bGFicy5vcmcvbGlzdGluZm8vbGludXhwcGMtZGV2 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: Re: [PATCH] mm: kill kmemcheck Date: Thu, 12 Mar 2015 09:47:54 -0400 Message-ID: <20150312094754.458606bb@gandalf.local.home> References: <1426074547-21888-1-git-send-email-sasha.levin@oracle.com> <1426132192.25936.7.camel@ellerman.id.au> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1426132192.25936.7.camel@ellerman.id.au> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" To: Michael Ellerman Cc: Vladimir Davydov , Geert Uytterhoeven , "open list:SUPERH" , Catalin Marinas , Will Deacon , Jianyu Zhan , Paul Mackerras , Pavel Machek , Miklos Szeredi , Christoph Lameter , Marek Szyprowski , "open list:GENERIC INCLUDE/A..." , Andi Kleen , Russell King , Jingoo Han , James Morris , Chris Bainbridge , Antti Palosaari , Mel Gorman , Ritesh Harjani , Shaohua Li , Alexander Duyck , Wang Nan List-Id: linux-arch.vger.kernel.org T24gVGh1LCAxMiBNYXIgMjAxNSAxNDo0OTo1MiArMTEwMApNaWNoYWVsIEVsbGVybWFuIDxtcGVA ZWxsZXJtYW4uaWQuYXU+IHdyb3RlOgo+IAo+ID5Gcm9tIERvY3VtZW50YXRpb24va2FzYW4udHh0 Ogo+IAo+ICAgICB0aGVyZWZvcmUgeW91IHdpbGwgbmVlZCBhIGNlcnRhaW4gdmVyc2lvbiBvZiBH Q0MgPiA0LjkuMgo+IAo+IEFGQUlLIGdjYyA0LjkuMyBoYXNuJ3QgYmVlbiByZWxlYXNlZCB5ZXQu IChPciBkb2VzIGl0IG1lYW4gPj0gNC45LjIgPykKCkl0IG1lYW5zIDQuOS4yLiBJIGFsc28gZmVl bCB0aGF0IHRoaXMgbWFrZXMgaXQgdG9vIHByZW1hdHVyZSB0byByZW1vdmUKa21lbWNoZWNrLCBh cyBub3QgZXZlcnlvbmUgKGluY2x1ZGluZyBteXNlbGYpIGhhcyB0aGUgbGF0ZXN0IGFuZApncmVh dGVzdCBnY2Mgb24gdGhlaXIgc3lzdGVtcy4KCj4gCj4gQ2FuIHdlIHBlcmhhcHMgd2FpdCB1bnRp bCB0aGVyZSBpcyBhIHJlbGVhc2VkIHZlcnNpb24gb2YgR0NDIHRoYXQgc3VwcG9ydHMKPiBLQVNh bj8gQW5kIG1heWJlIHRoZW4gYSB0b3VjaCBsb25nZXIgc28gZm9sa3MgY2FuIHRlc3QgaXQgd29y a3Mgb24gdGhlaXIKPiBwbGF0Zm9ybXM/Cj4gCgpOb3RlLCBJIHJlcGxpZWQgdG8gdGhpcyBjdXR0 aW5nIG91dCB0aGUgQ2MncyB0byB0aGUgaW5kaXZpZHVhbHMgc28gdGhhdAppdCBjYW4gaGF2ZSBh IHdpZGVyIGF1ZGllbmNlISAoZmlndXJlIG91dCB3aGF0IEkgbWVhbiBieSB0aGF0KS4gWW91IGNh bgpzZWUgbXkgcmVwbHkgb24gTEtNTCAoaGludCwgeW91IHdvbnQgc2VlIHRoZSBvcmlnaW5hbCBl bWFpbCwgb3IgdGhpcwpjdXJyZW50IHRocmVhZCBmb3IgdGhhdCBtYXR0ZXIpLgoKLS0gU3RldmUK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXhwcGMt ZGV2IG1haWxpbmcgbGlzdApMaW51eHBwYy1kZXZAbGlzdHMub3psYWJzLm9yZwpodHRwczovL2xp c3RzLm96bGFicy5vcmcvbGlzdGluZm8vbGludXhwcGMtZGV2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtprelay.hostedemail.com (smtprelay0138.hostedemail.com [216.40.44.138]) by lists.ozlabs.org (Postfix) with ESMTP id 2A1381A084C for ; Fri, 13 Mar 2015 00:48:10 +1100 (AEDT) Date: Thu, 12 Mar 2015 09:47:54 -0400 From: Steven Rostedt To: Michael Ellerman Subject: Re: [PATCH] mm: kill kmemcheck Message-ID: <20150312094754.458606bb@gandalf.local.home> In-Reply-To: <1426132192.25936.7.camel@ellerman.id.au> References: <1426074547-21888-1-git-send-email-sasha.levin@oracle.com> <1426132192.25936.7.camel@ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: Vladimir Davydov , Geert Uytterhoeven , "open list:SUPERH" , Catalin Marinas , Will Deacon , Jianyu Zhan , Paul Mackerras , Pavel Machek , Miklos Szeredi , Christoph Lameter , Marek Szyprowski , "open list:GENERIC INCLUDE/A..." , Andi Kleen , Russell King , Jingoo Han , James Morris , Chris Bainbridge , Antti Palosaari , Mel Gorman , Ritesh Harjani , Shaohua Li , Alexander Duyck , Wang Nan , Jiri Pirko , Daniel J Blueman , Rusty Russell , Jens Axboe , Alexander Viro , Thomas Gleixner , Konstantin Khlebnikov , Willem de Bruijn , Greg Kroah-Hartman , Randy Dunlap , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Rabin Vincent , "Aneesh Kumar K.V" , Jiri Kosina , Tejun Heo , Andrew Morton , Patrick McHardy , Christoffer Dall , Mark Rutland , "open list:DOCUMENTATION" , Dave Hansen , Eric Dumazet , Jungseung Lee , Masami Hiramatsu , Stephen Rothwell , Qiaowei Ren , Prarit Bhargava , bob picco , Sungjinn Chung , Quentin Lambert , Hugh Dickins , Yasuaki Ishimatsu , Kukjin Kim , Pranith Kumar , Tom Herbert , "open list:CRYPTO API" , Rik van Riel , Johannes Berg , Mauro Carvalho Chehab , Eyal Perry , Joe Perches , chishanmingshen , Cyrill Gorcunov , Boris Ostrovsky , Yinghai Lu , Steven Honeyman , "moderated list:ARM PORT" , Theodore Ts'o , Pekka Enberg , David Vrabel , David Rientjes , Joonsoo Kim , Michal Hocko , Paul Gortmaker , Jan Beulich , "moderated list:OPENRISC ARCHITEC..." , Guan Xuetao , Sam Ravnborg , Jonathan Corbet , Andrey Ryabinin , Dexuan Cui , Suresh Siddha , Sasha Levin , "Paul E. McKenney" , Fenghua Yu , Kees Cook , Arnd Bergmann , Vegard Nossum , Josh Triplett , Borislav Petkov , Andrey Konovalov , Scott Wood , Bryan O'Donoghue , Dan Streetman , Oleg Nesterov , Andy Lutomirski , Hannes Frederic Sowa , linux-fsdevel@vger.kernel.org, "David S. Miller" , "Kirill A. Shutemov" , "Michael S. Tsirkin" , Peter Zijlstra , "open list:MEMORY MANAGEMENT" , Davidlohr Bueso , Paul Cassella , "H. Peter Anvin" , "open list:SPARC + UltraSPAR..." , Xishi Qiu , Alexei Starovoitov , Jonas Bonn , Herbert Xu , Richard Weinberger , "maintainer:X86 ARCHITECTURE..." , Ingo Molnar , Aaron Tomlin , Greg Thelen , Alexey Kuznetsov , "Eric W. Biederman" , Konrad Rzeszutek Wilk , Fabian Frederick , Michal Marek , Jungseok Lee , Dave Jones , Andy Shevchenko , Vlastimil Babka , Juergen Gross , Hideaki YOSHIFUJI , "open list:NETWORKING \[GENERAL\]" , Daniel Borkmann , Horia Geanta , Johannes Weiner , "open list:LINUX FOR POWERPC..." , Anton Blanchard List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 12 Mar 2015 14:49:52 +1100 Michael Ellerman wrote: > > >From Documentation/kasan.txt: > > therefore you will need a certain version of GCC > 4.9.2 > > AFAIK gcc 4.9.3 hasn't been released yet. (Or does it mean >= 4.9.2 ?) It means 4.9.2. I also feel that this makes it too premature to remove kmemcheck, as not everyone (including myself) has the latest and greatest gcc on their systems. > > Can we perhaps wait until there is a released version of GCC that supports > KASan? And maybe then a touch longer so folks can test it works on their > platforms? > Note, I replied to this cutting out the Cc's to the individuals so that it can have a wider audience! (figure out what I mean by that). You can see my reply on LKML (hint, you wont see the original email, or this current thread for that matter). -- Steve