diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2021-01-18 16:28:09 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2021-02-10 14:31:08 +1100 |
| commit | 7a7f94a3a9c7a5d25ec172c94a42509dce61eb0b (patch) | |
| tree | 57d0140ecf947a65d67682b4b8f3ca1e5a5bf7bb /arch/powerpc/kvm | |
| parent | 078ebe35fc0a8ab847809765be34937e656e70a6 (diff) | |
KVM: PPC: Book3S HV: Use POWER9 SLBIA IH=6 variant to clear SLB
IH=6 may preserve hypervisor real-mode ERAT entries and is the
recommended SLBIA hint for switching partitions.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/kvm')
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv_rmhandlers.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index e413d8e34dd8..426bdc59fde2 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -912,7 +912,7 @@ BEGIN_MMU_FTR_SECTION /* Radix host won't have populated the SLB, so no need to clear */ li r6, 0 slbmte r6, r6 - slbia + PPC_SLBIA(6) ptesync END_MMU_FTR_SECTION_IFCLR(MMU_FTR_TYPE_RADIX) @@ -1520,7 +1520,7 @@ guest_exit_cont: /* r9 = vcpu, r12 = trap, r13 = paca */ /* Finally clear out the SLB */ li r0,0 slbmte r0,r0 - slbia + PPC_SLBIA(6) ptesync stw r5,VCPU_SLB_MAX(r9) @@ -3352,7 +3352,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_DAWR1) /* Clear hash and radix guest SLB, see guest_exit_short_path comment. */ slbmte r0, r0 - slbia + PPC_SLBIA(6) BEGIN_MMU_FTR_SECTION b 4f |