linux-kernel - Re: Current kernel fails to compile with KVM on PowerPC

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Date:	Sun, 25 Dec 2011 12:01:09 +0100
From:	Jörg Sommer <joerg@...a.gnuu.de>
To:	Alexander Graf <agraf@...e.de>
Cc:	Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>,
	kvm list <kvm@...r.kernel.org>, kvm-ppc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Current kernel fails to compile with KVM on PowerPC

Alexander Graf hat am Sat 24. Dec, 18:05 (+0100) geschrieben:
> On 24.12.2011, at 12:13, Jörg Sommer wrote:
> > Jörg Sommer hat am Sat 24. Dec, 11:31 (+0100) geschrieben:
> >> Alexander Graf hat am Fri 23. Dec, 14:50 (+0100) geschrieben:
> >>> On 20.12.2011, at 21:27, Jörg Sommer wrote:
> >>>> 
> >>>> I'm so sorry to have to report a new bug in one of your patches. It was
> >>>> covered by the one above. I've picked the commit for it from your git
> >>>> repository and now, the kernel build fails with this error:
> >>>> 
> >>>> BOOTCC  arch/powerpc/boot/fdt_strerror.o
> >>>> BOOTAR  arch/powerpc/boot/wrapper.a
> >>>> WRAP    arch/powerpc/boot/zImage.pmac
> >>>> WRAP    arch/powerpc/boot/zImage.coff
> >>>> ERROR: "kvmppc_h_pr" [arch/powerpc/kvm/kvm.ko] undefined!
> >>>> make[3]: *** [__modpost] Fehler 1
> >>>> make[2]: *** [modules] Fehler 2
> >>>> make[2]: *** Warte auf noch nicht beendete Prozesse...
> >>>> WRAP    arch/powerpc/boot/zImage.miboot
> >>>> make[1]: *** [deb-pkg] Fehler 2
> >>>> make: *** [deb-pkg] Fehler 2

> I was actually thinking of:
> 
> commit dfc209648daf8ba4197e71376b76c95fd26fd272
> Author: Andreas Schwab <schwab@...ux-m68k.org>
> Date:   Tue Nov 8 07:17:39 2011 +0000

> But yes :). I guess we need to make sure this commit also lands in 3.2 :(.

So there are at least two commits they must go into 3.2 to make the
kernel build again, from my point of view:

• KVM: PPC: protect use of kvmppc_h_pr
• KVM: PPC: move compute_tlbie_rb to book3s_64 common header

Bye, Jörg.
-- 
And 1.1.81 is officially BugFree(tm), so if you receive any bug-reports
on it, you know they are just evil lies.
            (Linus Torvalds)

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