linux-kernel - Re: [PATCH] KVM: s390: fix build failure

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Date:	Wed, 8 Jun 2016 07:31:29 +0200
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Christian Borntraeger <borntraeger@...ibm.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Radim Krčmář <rkrcmar@...hat.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
	kvm@...r.kernel.org
Subject: Re: [PATCH] KVM: s390: fix build failure

On Wed, Jun 08, 2016 at 07:17:35AM +0200, Christian Borntraeger wrote:
> On 06/07/2016 11:49 PM, Sudip Mukherjee wrote:
> > etr_ptff definitions are moved and renamed but we missed updating them
> > here and as a result s390 defconfig and allmodconfig was failing with
> > the error:
> > arch/s390/kvm/kvm-s390.c:230:45: error: 'ETR_PTFF_QAF' undeclared
> > 
> > Fixes: cc8f94656487 ("s390/time: move PTFF definitions")
> > Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
> 
> Thank you for the report and patch.
> 
> This is linux-next only. Its a conflict between my kvms390 queue and 
> Martins s390 queue. We cannot apply this directly as it would break
> the build of my tree when not merged in next. (and it does not apply
> on Martins tree).
> 
> I will have a look how to fix that up.

We could ask Stephen Rothwell to apply the patch only to linux-next? ;)

> > ---
> > 
> > s390 defconfig build log is at:
> > https://travis-ci.org/sudipm-mukherjee/parport/jobs/135776067
> > 
> >  arch/s390/kvm/kvm-s390.c | 6 ++++--
> >  1 file changed, 4 insertions(+), 2 deletions(-)
> > 
> > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> > index fa51aef..3039eaf 100644
> > --- a/arch/s390/kvm/kvm-s390.c
> > +++ b/arch/s390/kvm/kvm-s390.c
> > @@ -29,7 +29,7 @@
> >  #include <linux/bitmap.h>
> >  #include <asm/asm-offsets.h>
> >  #include <asm/lowcore.h>
> > -#include <asm/etr.h>
> > +#include <asm/timex.h>
> >  #include <asm/pgtable.h>
> >  #include <asm/gmap.h>
> >  #include <asm/nmi.h>
> > @@ -227,7 +227,9 @@ static void kvm_s390_cpu_feat_init(void)
> >  	}
> > 
> >  	if (test_facility(28)) /* TOD-clock steering */
> > -		etr_ptff(kvm_s390_available_subfunc.ptff, ETR_PTFF_QAF);
> > +		ptff(kvm_s390_available_subfunc.ptff,
> > +		     sizeof(kvm_s390_available_subfunc.ptff),
> > +		     PTFF_QAF);
> > 
> >  	if (test_facility(17)) { /* MSA */
> >  		__cpacf_query(CPACF_KMAC, kvm_s390_available_subfunc.kmac);
> > 
>