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

From: Cornelia Huck
Date: Tue Jan 23 2018 - 09:00:01 EST


On Tue, 23 Jan 2018 14:07:02 +0100
Martin Schwidefsky <schwidefsky@xxxxxxxxxx> 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@xxxxxxxxxx>
> ---
> 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.)