On Wed, Feb 08, 2023, Thomas Huth wrote: > The KVM_GET_NR_MMU_PAGES ioctl is quite questionable on 64-bit hosts > since it fails to return the full 64 bits of the value that can be > set with the corresponding KVM_SET_NR_MMU_PAGES call. Its "long" return > value is truncated into an "int" in the kvm_arch_vm_ioctl() function. > > Since this ioctl also never has been used by userspace applications > (QEMU, Google's internal VMM, kvmtool and CrosVM have been checked), > it's likely the best if we remove this badly designed ioctl before > anybody really tries to use it. > > Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx> > --- Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>
