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Date:	Mon, 16 May 2016 15:23:56 -0400
From:	Steven Rostedt <>
To:	Borislav Petkov <>
Cc:	Namhyung Kim <>,
	Masami Hiramatsu <>,
	LKML <>,
	Ingo Molnar <>,,
	"H.J. Lu" <>
Subject: Re: [PATCH] ftrace/x86: Fix function graph tracer reset path

On Mon, 16 May 2016 21:19:18 +0200
Borislav Petkov <> wrote:

> Btw, arch_static_branch_jump() spells that 5-byte JMP too and not until
> too long ago we had it in static_cpu_has()...

Those are "special" too.

If we can get the compiler to do the Right Thing (TM) then we should
let it.

> I guess after spending some time with the kernel, one can't really
> differentiate hacks from proper design anymore. :-P

That's because a quality of a kernel is determined by the
maintainability of all its hacks, not lack of them.

-- Steve

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