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SubjectRe: ftrace introduces instability into kernel 2.6.27(-rc2,-rc3)

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@redhat.com>

-- Steve



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