Re: [PATCH 04/23] perf, x86: Add copy_from_user_nmi_nochk for besteffort copy

[Jiri Olsa]

On Wed, Jun 27, 2012 at 05:19:06PM +0200, Frederic Weisbecker wrote:
> On Tue, Jun 19, 2012 at 05:47:55PM +0200, Jiri Olsa wrote:
> > Adding copy_from_user_nmi_nochk that provides the best effort
> > copy regardless the size crossing the task boundary at the moment.
> 
> The changelog needs more info about this. Why are we removing this check?
> 

ok

> > 
> > This is going to be useful for stack dump we need in post
> > DWARF CFI based unwind.
> > 
> > Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
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