Commit 4bc8ff6f authored by Jordan Niethe's avatar Jordan Niethe Committed by Michael Ellerman
Browse files

KVM: PPC: Book3S HV nestedv2: Do not call H_COPY_TOFROM_GUEST 



H_COPY_TOFROM_GUEST is part of the nestedv1 API and so should not be
called by a nestedv2 host. Do not attempt to call it.

Signed-off-by: default avatarJordan Niethe <jniethe5@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231201132618.555031-10-vaibhav@linux.ibm.com
parent a9a3de53

arch/powerpc/kvm/book3s_64_mmu_radix.c

+3 −0
Original line number Diff line number Diff line
@@ -40,6 +40,9 @@ unsigned long __kvmhv_copy_tofrom_guest_radix(int lpid, int pid, 
	unsigned long quadrant, ret = n;

	bool is_load = !!to;



	if (kvmhv_is_nestedv2())

		return H_UNSUPPORTED;



	/* Can't access quadrants 1 or 2 in non-HV mode, call the HV to do it */

	if (kvmhv_on_pseries())

		return plpar_hcall_norets(H_COPY_TOFROM_GUEST, lpid, pid, eaddr,