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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180123154006.14fb7ce0@mschwideX1>
Date:   Tue, 23 Jan 2018 15:40:06 +0100
From:   Martin Schwidefsky <schwidefsky@...ibm.com>
To:     Cornelia Huck <cohuck@...hat.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 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.

-- 
blue skies,
   Martin.

"Reality continues to ruin my life." - Calvin.