Re: ftrace introduces instability into kernel 2.6.27(-rc2,-rc3)
From: Steven Rostedt
Date: Mon Aug 18 2008 - 23:12:45 EST
On Tue, 19 Aug 2008, Benjamin Herrenschmidt wrote:
> Ok, so i did a patch, but it doesn't fix the problem. So
> there's something else whacking on the stack frames.
Is it 32 bit or 64? I've tested the 64 bit quite a bit, but not so much
the 32 (my powerbook is not usually that stable).
You might want to look at the entry.S mcount code too.
>
> Still, here it is:
Thanks,
>
> powerpc/ftrace: Fix broken assembly for code replacement
>
> Instead, uses __get_user() and __put_user().
>
Acked-by: Steven Rostedt <srostedt@xxxxxxxxxx>
-- Steve
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