Re: [PATCH] module: ppc64 module CRC relocation fix causes perfissues

From: Scott Wood
Date: Tue Jul 16 2013 - 20:08:30 EST


On 07/16/2013 07:04:05 PM, Benjamin Herrenschmidt wrote:
On Tue, 2013-07-16 at 17:40 -0500, Scott Wood wrote:
> On 07/15/2013 03:47:06 AM, Benjamin Herrenschmidt wrote:
> > On Mon, 2013-07-15 at 14:04 +1000, Anton Blanchard wrote:
> > > Module CRCs are implemented as absolute symbols that get resolved by
> > > a linker script. We build an intermediate .o that contains an
> > > unresolved symbol for each CRC. genksysms parses this .o, calculates
> > > the CRCs and writes a linker script that "resolves" the symbols to
> > > the calc
> >
> > Scott, can somebody from FSL test that on 32-bit and Ack it ?
> >
> > Thanks !
> >
> > Cheers,
> > Ben.
>
> It boots for me on e500mc and I can insert modules.

But does perf work ? :-)

What specifically should I do to test it?

-Scott
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