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SubjectRe: [BUG] perf: bogus correlation of kernel symbols
On Thu, May 12, 2011 at 03:01:32PM -0400, David Miller wrote:
> From: Dave Jones <davej@redhat.com>
> Date: Thu, 12 May 2011 14:37:41 -0400
>
> > On Thu, May 12, 2011 at 02:06:30PM -0400, David Miller wrote:
> > > I hate this too, and I think it's absolutely rediculous.
> > >
> > > Also, like you, I lost an entire afternoon trying to figure out why
> > > this started happening.
> > >
> > > I wish we could revert this change.
> >
> > At least it can be permanently disabled..
> >
> > echo kernel.kptr_restrict = 0 >> /etc/sysctl.conf
>
> Regardless, what to do about all of the "perf is broken" reports?

The problem is that they turned it on by default.

int kptr_restrict = 1;


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