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Date: Wed, 22 Jul 2020 20:06:08 -0400
From: Steven Rostedt <>
To: Peter Zijlstra <>
Cc: Sami Tolvanen <>, Masahiro Yamada
 <>, Will Deacon <>, Greg Kroah-Hartman
 <>, "Paul E. McKenney" <>, Kees
 Cook <>, Nick Desaulniers <>,,,,,,,,, Josh Poimboeuf
Subject: Re: [RFC][PATCH] objtool,x86_64: Replace recordmcount with objtool

On Thu, 23 Jul 2020 01:56:20 +0200
Peter Zijlstra <> wrote:

> Anyway, what do you prefer, I suppose I can make objtool whatever we
> need, that patch is trivial. Simply recording the sites and not
> rewriting them should be simple enough.

Either way. If objtool turns it into nops, just make it where we can
enable -DCC_USING_NOP_MCOUNT set, and the kernel will be unaware.

Or if you just add the locations, then that would work too.

-- Steve

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