On Thu, 20 Feb 2020 05:39:46 -0500 Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote: > From: Vasily Gorbik <gor@xxxxxxxxxxxxx> > > Add "prot_virt" command line option which controls if the kernel > protected VMs support is enabled at early boot time. This has to be > done early, because it needs large amounts of memory and will disable > some features like STP time sync for the lpar. > > Extend ultravisor info definitions and expose it via uv_info struct > filled in during startup. > > Signed-off-by: Vasily Gorbik <gor@xxxxxxxxxxxxx> > Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx> > Acked-by: David Hildenbrand <david@xxxxxxxxxx> > [borntraeger@xxxxxxxxxx: patch merging, splitting, fixing] > Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > --- > .../admin-guide/kernel-parameters.txt | 5 ++ > arch/s390/boot/Makefile | 2 +- > arch/s390/boot/uv.c | 21 +++++++- > arch/s390/include/asm/uv.h | 46 +++++++++++++++- > arch/s390/kernel/Makefile | 1 + > arch/s390/kernel/setup.c | 4 -- > arch/s390/kernel/uv.c | 52 +++++++++++++++++++ > 7 files changed, 123 insertions(+), 8 deletions(-) > create mode 100644 arch/s390/kernel/uv.c Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
