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authorJordan Niethe <[email protected]>2023-12-01 18:56:14 +0530
committerMichael Ellerman <[email protected]>2023-12-07 23:33:08 +1100
commit4bc8ff6f170c78f64446c5d5f9ef6771eefd3416 (patch)
treeb643a9611e78eeb85c79f3d69a00425e364d8270
parenta9a3de530d7531bf6cd3f6ccda769cd94c1105a0 (diff)
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: Jordan Niethe <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://msgid.link/[email protected]
-rw-r--r--arch/powerpc/kvm/book3s_64_mmu_radix.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c
index 916af6c153a5..4a1abb9f7c05 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_radix.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c
@@ -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,