Re: [PATCH] mm: kill kmemcheck

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On Wed, Mar 11, 2015 at 09:39:33AM -0400, Sasha Levin wrote:
 > On 03/11/2015 08:40 AM, Steven Rostedt wrote:
 > > On Wed, 11 Mar 2015 08:34:46 -0400
 > > Sasha Levin <sasha.levin@xxxxxxxxxx> wrote:
 > > 
 > >> > Fair enough. We knew there are existing kmemcheck users, but KASan should be
 > >> > superior both in performance and the scope of bugs it finds. It also shouldn't
 > >> > impose new limitations beyond requiring gcc 4.9.2+.
 > >> >
 > > Ouch! OK, then I can't use it. I'm currently compiling with gcc 4.6.3.
 > > 
 > > It will be a while before I upgrade my build farm to something newer.
 > 
 > Are you actually compiling new kernels with 4.6.3, or are you using older
 > kernels as well?
 > 
 > There's no real hurry to kill kmemcheck right now, but we do want to stop
 > supporting that in favour of KASan.
 
Another question is "is kmemcheck actually finding anything right now?"
I've personally not hit anything with it in quite a while.

	Dave

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