2006-03-29 19:52:25

by Dave Jones

[permalink] [raw]
Subject: Re: [PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries

On Thu, Mar 23, 2006 at 07:14:49AM +0000, Linux Kernel wrote:
> commit 1965746bce49ddf001af52c7985e16343c768021
> tree d311fce31613545f3430582322d66411566f1863
> parent 0941d57aa7034ef7010bd523752c2e3bee569ef1
> author Michael Ellerman <[email protected]> Fri, 10 Feb 2006 15:47:36 +1100
> committer Paul Mackerras <[email protected]> Fri, 10 Feb 2006 16:52:03 +1100
>
> [PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries
>
> Currently we have some stuff in firmware.h and kernel/firmware.c that is
> #ifdef CONFIG_PPC_PSERIES. Move it all into platforms/pseries.

This (or one of the other firmware patches, I've not narrowed it down that close)
breaks ppc64 oprofile.

modpost now complains with..

kernel/arch/powerpc/oprofile/oprofile.ko needs unknown symbol ppc64_firmware_features

Dave

--
http://www.codemonkey.org.uk


2006-03-29 22:01:06

by Paul Mackerras

[permalink] [raw]
Subject: Re: [PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries

Dave Jones writes:

> This (or one of the other firmware patches, I've not narrowed it down that close)
> breaks ppc64 oprofile.
>
> modpost now complains with..
>
> kernel/arch/powerpc/oprofile/oprofile.ko needs unknown symbol ppc64_firmware_features

That got renamed to powerpc_firmware_features. I don't see any
occurrences of ppc64_firmware_features left anywhere in the tree. Are
you sure you don't just need to make clean and rebuild?

Paul.

2006-03-29 22:07:18

by Dave Jones

[permalink] [raw]
Subject: Re: [PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries

On Thu, Mar 30, 2006 at 09:00:02AM +1100, Paul Mackerras wrote:
> Dave Jones writes:
>
> > This (or one of the other firmware patches, I've not narrowed it down that close)
> > breaks ppc64 oprofile.
> >
> > modpost now complains with..
> >
> > kernel/arch/powerpc/oprofile/oprofile.ko needs unknown symbol ppc64_firmware_features
>
> That got renamed to powerpc_firmware_features. I don't see any
> occurrences of ppc64_firmware_features left anywhere in the tree. Are
> you sure you don't just need to make clean and rebuild?

See firmware_has_feature() in include/asm-powerpc/firmware.h

Dave

--
http://www.codemonkey.org.uk

2006-03-29 22:39:18

by Michael Ellerman

[permalink] [raw]
Subject: Re: [PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries

On Wed, 2006-03-29 at 14:52 -0500, Dave Jones wrote:
> On Thu, Mar 23, 2006 at 07:14:49AM +0000, Linux Kernel wrote:
> > commit 1965746bce49ddf001af52c7985e16343c768021
> > tree d311fce31613545f3430582322d66411566f1863
> > parent 0941d57aa7034ef7010bd523752c2e3bee569ef1
> > author Michael Ellerman <[email protected]> Fri, 10 Feb 2006 15:47:36 +1100
> > committer Paul Mackerras <[email protected]> Fri, 10 Feb 2006 16:52:03 +1100
> >
> > [PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries
> >
> > Currently we have some stuff in firmware.h and kernel/firmware.c that is
> > #ifdef CONFIG_PPC_PSERIES. Move it all into platforms/pseries.
>
> This (or one of the other firmware patches, I've not narrowed it down that close)
> breaks ppc64 oprofile.
>
> modpost now complains with..
>
> kernel/arch/powerpc/oprofile/oprofile.ko needs unknown symbol ppc64_firmware_features

Hi Dave,

I'm not sure about that patch, but I think the firmware feature stuff
has been broken for modules for a while, we weren't exporting
ppc64_firmware_features anywhere.

The fix just got merged in the last day or so:
http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d0160bf0b3e87032be8e85f80ddd2f18e107b86f

cheers

--
Michael Ellerman
IBM OzLabs

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person


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2006-03-29 22:51:40

by Dave Jones

[permalink] [raw]
Subject: Re: [PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries

On Thu, Mar 30, 2006 at 09:39:15AM +1100, Michael Ellerman wrote:
> On Wed, 2006-03-29 at 14:52 -0500, Dave Jones wrote:
> > On Thu, Mar 23, 2006 at 07:14:49AM +0000, Linux Kernel wrote:
> > > commit 1965746bce49ddf001af52c7985e16343c768021
> > > tree d311fce31613545f3430582322d66411566f1863
> > > parent 0941d57aa7034ef7010bd523752c2e3bee569ef1
> > > author Michael Ellerman <[email protected]> Fri, 10 Feb 2006 15:47:36 +1100
> > > committer Paul Mackerras <[email protected]> Fri, 10 Feb 2006 16:52:03 +1100
> > >
> > > [PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries
> > >
> > > Currently we have some stuff in firmware.h and kernel/firmware.c that is
> > > #ifdef CONFIG_PPC_PSERIES. Move it all into platforms/pseries.
> >
> > This (or one of the other firmware patches, I've not narrowed it down that close)
> > breaks ppc64 oprofile.
> >
> > modpost now complains with..
> >
> > kernel/arch/powerpc/oprofile/oprofile.ko needs unknown symbol ppc64_firmware_features
>
> Hi Dave,
>
> I'm not sure about that patch, but I think the firmware feature stuff
> has been broken for modules for a while, we weren't exporting
> ppc64_firmware_features anywhere.

It's bizarre that it's only just started complaining about it.
(I get a nice mail from our buildsystem when a kernel package is built with
unresolved symbols), and the 2.6.16.1 kernel happily sails through.

> The fix just got merged in the last day or so:
> http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d0160bf0b3e87032be8e85f80ddd2f18e107b86f

still broken with that diff. (I just tested -git15)

firmware_has_feature() needs fixing up.

Dave


--
http://www.codemonkey.org.uk

2006-03-29 22:58:10

by Paul Mackerras

[permalink] [raw]
Subject: Re: [PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries

Dave Jones writes:

> See firmware_has_feature() in include/asm-powerpc/firmware.h

In my clone of Linus' linux-2.6 tree, it looks like this:

#define firmware_has_feature(feature) \
((FW_FEATURE_ALWAYS & (feature)) || \
(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))

Perhaps you need to do another pull?

Paul.

2006-03-29 23:11:23

by Dave Jones

[permalink] [raw]
Subject: Re: [PATCH] powerpc: Move pSeries firmware feature setup into platforms/pseries

On Thu, Mar 30, 2006 at 09:58:01AM +1100, Paul Mackerras wrote:
> Dave Jones writes:
>
> > See firmware_has_feature() in include/asm-powerpc/firmware.h
>
> In my clone of Linus' linux-2.6 tree, it looks like this:
>
> #define firmware_has_feature(feature) \
> ((FW_FEATURE_ALWAYS & (feature)) || \
> (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
>
> Perhaps you need to do another pull?

Ah, it hadn't made it into a -git release yet.
git17 was still busted.
I see the commit on the commits-list though, so I'll
just twiddle my thumbs until git18 :-)

thanks,

Dave

--
http://www.codemonkey.org.uk