bits = root & RPDS_MASK;
root = root & RPDB_MASK;
- /* P9 DD1 interprets RTS (radix tree size) differently */
offset = rts + 31;
- if (cpu_has_feature(CPU_FTR_POWER9_DD1))
- offset -= 3;
/* current implementations only support 52-bit space */
if (offset != 52)
unsigned long clr, unsigned long set,
unsigned long addr, unsigned int shift)
{
- unsigned long old = 0;
-
- if (!(clr & _PAGE_PRESENT) && cpu_has_feature(CPU_FTR_POWER9_DD1) &&
- pte_present(*ptep)) {
- /* have to invalidate it first */
- old = __radix_pte_update(ptep, _PAGE_PRESENT, 0);
- kvmppc_radix_tlbie_page(kvm, addr, shift);
- set |= _PAGE_PRESENT;
- old &= _PAGE_PRESENT;
- }
- return __radix_pte_update(ptep, clr, set) | old;
+ return __radix_pte_update(ptep, clr, set);
}
void kvmppc_radix_set_pte_at(struct kvm *kvm, unsigned long addr,