On Wed, 17 Jan 2018 10:48:34 +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. > > Reviewed-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > 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(-) Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
