On Thu, Jan 15, 2026 at 10:21 AM Jason Andryuk <[email protected]> wrote:
> On 2026-01-15 04:28, Penny Zheng wrote: > > Feature memory access is based on vm event subsystem, and it could be > disabled > > in the future. So a few switch-blocks in do_altp2m_op() need > > vm_event_is_enabled() condition check to pass compilation when ALTP2M=y > and > > VM_EVENT=n(, hence MEM_ACCESS=n), like HVMOP_altp2m_set_mem_access, etc. > > Function p2m_mem_access_check() still needs stub when VM_EVENT=n to > > pass compilation. > > Although local variable "req_ptr" still remains NULL throughout its > lifetime, > > with the change of NULL assignment, we will face runtime undefined error > only > > when CONFIG_USBAN is on. So we strengthen the condition check via adding > > vm_event_is_enabled() for the special case. > > > > Signed-off-by: Penny Zheng <[email protected]> > > Acked-by: Jan Beulich <[email protected]> > > Reviewed-by: Jason Andryuk <[email protected]> > Acked-by: Tamas K Lengyel <[email protected]>
