linux-kernel - Re: [PATCH] trace/ftrace.c: remove redundant swap function

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Date:	Thu, 1 Oct 2015 09:34:30 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Rasmus Villemoes <linux@...musvillemoes.dk>
Cc:	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] trace/ftrace.c: remove redundant swap function

On Wed, 30 Sep 2015 21:43:38 +0200
Rasmus Villemoes <linux@...musvillemoes.dk> wrote:

> On Wed, Sep 09 2015, Rasmus Villemoes <linux@...musvillemoes.dk> wrote:
> 
> ping

Both your patches look good. I applied both of them to my tree for the
4.4 window.

I'll post them to linux-next after they've gone through my test suite.
But currently my tests are running -rt code, and I may not get to them
till I get back from LinuxCon EU. But they are in the queue.

Thanks!

-- Steve


> 
> > To cover the common case of sorting an array of pointers, Daniel
> > Wagner recently modified the library sort() to use a specific swap
> > function for size==8, in addition to the size==4 case which was
> > already handled. Since sizeof(long) is either 4 or 8,
> > ftrace_swap_ips() is redundant and we can just let sort() pick an
> > appropriate and fast swap callback.
> >
> > Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
>
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