On Wed, 6 Feb 2019 16:31:26 -0500 Tony Krowiak <akrowiak@xxxxxxxxxxxxx> wrote: > The current AP bus implementation periodically polls the AP configuration > to detect changes. When the AP configuration is dynamically changed via the > SE or an SCLP instruction, the changes will not be reflected to sysfs until > the next time the AP configuration is polled. The CHSC architecture > provides a Store Event Information (SEI) command to make notification of an > AP configuration change. This patch introduces a handler to process > notification from the CHSC SEI command by immediately kicking off an AP bus > scan-after-event. > > Signed-off-by: Tony Krowiak <akrowiak@xxxxxxxxxxxxx> > Reviewed-by: Halil Pasic <pasic@xxxxxxxxxxxxx> > Reviewed-by: Sebastian Ott <sebott@xxxxxxxxxxxxx> > --- > arch/s390/include/asm/ap.h | 11 +++++++++++ > drivers/s390/cio/chsc.c | 13 +++++++++++++ > drivers/s390/crypto/ap_bus.c | 11 +++++++++++ > 3 files changed, 35 insertions(+) Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
