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Date: Thu, 17 Nov 2016 10:36:47 +0100 (CET)
From: Julia Lawall <>
To: Peter Zijlstra <>
cc: "Reshetova, Elena" <>, 
    Rik van Riel <>, 
    "" <>, 
    Will Deacon <>, Greg KH <>, 
    David Windsor <>, Arnd Bergmann <>, 
    Thomas Gleixner <>, Ingo Molnar <>, 
    "Anvin, H Peter" <>
Subject: Re: Re: [RFC v4 PATCH 00/13] HARDENED_ATOMIC

On Thu, 17 Nov 2016, Peter Zijlstra wrote:

> On Wed, Nov 16, 2016 at 05:34:48PM +0000, Reshetova, Elena wrote:
> > I have a coccinelle rule now that found about 15 usages of it.
> Right, so can coccinelle detect the call_rcu/free call that is
> conditional on the dec_and_test when its hidden inside a few function
> calls?
> Also, we should really have a "make spatch" target so that we can run
> the thing concurrently with -j80 or somesuch, because as is coccinelle
> is unbearably slow.

In the kernel, there is already the make coccicheck infrastructure.  It
suffices to add the semantic patch to a subdirectory of


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