On 3/20/26 23:39, Lorenzo Stoakes (Oracle) wrote: > The f_op->mmap interface is deprecated, so update the vmbus driver to use > its successor, mmap_prepare. > > This updates all callbacks which referenced the function pointer > hv_mmap_ring_buffer to instead reference hv_mmap_prepare_ring_buffer, > utilising the newly introduced compat_set_desc_from_vma() and > __compat_vma_mmap() to be able to implement this change. > > The UIO HV generic driver is the only user of hv_create_ring_sysfs(), > which is the only function which references > vmbus_channel->mmap_prepare_ring_buffer which, in turn, is the only > external interface to hv_mmap_prepare_ring_buffer. > > This patch therefore updates this caller to use mmap_prepare instead, > which also previously used vm_iomap_memory(), so this change replaces it > with its mmap_prepare equivalent, mmap_action_simple_ioremap(). > > Signed-off-by: Lorenzo Stoakes (Oracle) <[email protected]>
Acked-by: Vlastimil Babka (SUSE) <[email protected]>
