diff options
| -rw-r--r-- | arch/arm64/kernel/hyp-stub.S | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S index 373ed2213e1d..6229315d533d 100644 --- a/arch/arm64/kernel/hyp-stub.S +++ b/arch/arm64/kernel/hyp-stub.S @@ -92,9 +92,6 @@ SYM_CODE_START_LOCAL(mutate_to_vhe) msr hcr_el2, x0 isb - // Doesn't do much on VHE, but still, worth a shot - init_el2_state vhe - // Use the EL1 allocated stack, per-cpu offset mrs x0, sp_el1 mov sp, x0 @@ -107,6 +104,11 @@ SYM_CODE_START_LOCAL(mutate_to_vhe) mrs_s x0, SYS_VBAR_EL12 msr vbar_el1, x0 + // Use EL2 translations for SPE and disable access from EL1 + mrs x0, mdcr_el2 + bic x0, x0, #(MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT) + msr mdcr_el2, x0 + // Transfer the MM state from EL1 to EL2 mrs_s x0, SYS_TCR_EL12 msr tcr_el1, x0 |