On Thu, 29 Nov 2018 12:24:36 +0100 Michael Mueller <mimu@xxxxxxxxxxxxx> wrote: > On 29.11.18 11:55, Cornelia Huck wrote: > > On Wed, 28 Nov 2018 11:19:40 +0100 > > Michael Mueller <mimu@xxxxxxxxxxxxx> wrote: > > > >> Add the IAM (Interruption Alert Mask) to the architectue specific > >> kvm struct. This mask in the GISA is used to define for which ISC > >> a GIB alert can be issued. > >> > >> The functions kvm_s390_gisc_register() and kvm_s390_gisc_unregister() > >> are used to (un)register a GISC (guest ISC) with a virtual machine and > >> its GISA. > >> > >> Upon successful completion, kvm_s390_gisc_register() returns the > >> ISC to be used for GIB alert interruptions. A negative return code > >> indicates an error during registration. > >> > >> Signed-off-by: Michael Mueller <mimu@xxxxxxxxxxxxx> > >> --- > >> arch/s390/include/asm/kvm_host.h | 6 ++++++ > >> arch/s390/kvm/interrupt.c | 44 ++++++++++++++++++++++++++++++++++++++++ > >> 2 files changed, 50 insertions(+) > > > > I've started at this and the following patches and have not found a > > place where the functions are called... leftover from a previous > > version? > > No, these functions are required by the related driver code. > > Pls. see: > > Message ID: 1542906675-7949-4-git-send-email-pmorel@xxxxxxxxxxxxx > > [v2,3/3] vfio: ap: AP Queue Interrupt Control VFIO ioctl calls > > > > I guess they should go with that series, then.