On Fri, Sep 15, 2023 at 05:30:57PM -0700, Sean Christopherson wrote: > Explicitly pass KVM's get/put helpers to VFIO when attaching a VM to > VFIO instead of having VFIO do a symbol lookup back into KVM. Having both > KVM and VFIO do symbol lookups increases the overall complexity and places > an unnecessary dependency on KVM (from VFIO) without adding any value. > > Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> > --- > drivers/vfio/vfio.h | 2 ++ > drivers/vfio/vfio_main.c | 74 +++++++++++++++++++--------------------- > include/linux/vfio.h | 4 ++- > virt/kvm/vfio.c | 9 +++-- > 4 files changed, 47 insertions(+), 42 deletions(-) I don't mind this, but Christoph had disliked my prior attempt to do this with function pointers.. The get can be inlined, IIRC, what about putting a pointer to the put inside the kvm struct? The the normal kvm get/put don't have to exported symbols at all? Jason
