[PATCH] KVM: PPC: Book3S HV: Make H_REMOVE return correct HPTE value for absent HPTEs

This fixes a bug where the old HPTE value returned by H_REMOVE has the valid bit clear if the HPTE was an absent HPTE, as happens for HPTEs for emulated MMIO pages and for RAM pages that have been paged out by the host. If the absent bit is set, we clear it and set the valid bit, because from the

[PATCH] KVM: PPC: Book3S HV: Make H_REMOVE return correct HPTE value for absent HPTEs

This fixes a bug where the old HPTE value returned by H_REMOVE has the valid bit clear if the HPTE was an absent HPTE, as happens for HPTEs for emulated MMIO pages and for RAM pages that have been paged out by the host. If the absent bit is set, we clear it and set the valid bit, because from the