linux-kernel - Re: [PATCH 2/5] s390/alternative: use a copy of the facility bit mask

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Message-ID: <20180123160435.2900d8c6.cohuck@redhat.com>
Date:   Tue, 23 Jan 2018 16:04:35 +0100
From:   Cornelia Huck <cohuck@...hat.com>
To:     Martin Schwidefsky <schwidefsky@...ibm.com>
Cc:     linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        kvm@...r.kernel.org, Heiko Carstens <heiko.carstens@...ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        David Hildenbrand <david@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jon Masters <jcm@...hat.com>,
        Marcus Meissner <meissner@...e.de>,
        Jiri Kosina <jkosina@...e.cz>
Subject: Re: [PATCH 2/5] s390/alternative: use a copy of the facility bit
 mask

On Tue, 23 Jan 2018 15:40:06 +0100
Martin Schwidefsky <schwidefsky@...ibm.com> wrote:

> On Tue, 23 Jan 2018 14:59:47 +0100
> Cornelia Huck <cohuck@...hat.com> wrote:
> 
> > On Tue, 23 Jan 2018 14:07:02 +0100
> > Martin Schwidefsky <schwidefsky@...ibm.com> wrote:
> >   
> > > To be able to switch off specific CPU alternatives with kernel parameters
> > > make a copy of the facility bit mask provided by STFLE and use the copy
> > > for the decision to apply an alternative.
> > > 
> > > Signed-off-by: Martin Schwidefsky <schwidefsky@...ibm.com>
> > > ---
> > >  arch/s390/include/asm/facility.h | 18 ++++++++++++++++++
> > >  arch/s390/include/asm/lowcore.h  |  3 ++-
> > >  arch/s390/kernel/alternative.c   |  3 ++-
> > >  arch/s390/kernel/early.c         |  3 +++
> > >  arch/s390/kernel/setup.c         |  4 +++-
> > >  arch/s390/kernel/smp.c           |  4 +++-
> > >  6 files changed, 31 insertions(+), 4 deletions(-)    
> > 
> > You have dropped various r-bs (including mine). Has this patch been
> > changed? (Doesn't look like it.)  
>  
> Added your and Davids r-b to patch #2, as well as your a-b to patch #4.
> 

OK, thx.