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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
| commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
| tree | aa5cc3760a27c3d57146498cb82fa549547de06c /arch/arm64/kvm/hyp/entry.S | |
| parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) | |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'arch/arm64/kvm/hyp/entry.S')
| -rw-r--r-- | arch/arm64/kvm/hyp/entry.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S index fd0fbe9b7..ce9e5e5f2 100644 --- a/arch/arm64/kvm/hyp/entry.S +++ b/arch/arm64/kvm/hyp/entry.S @@ -130,9 +130,15 @@ ENDPROC(__guest_exit) ENTRY(__fpsimd_guest_restore) stp x4, lr, [sp, #-16]! +alternative_if_not ARM64_HAS_VIRT_HOST_EXTN mrs x2, cptr_el2 bic x2, x2, #CPTR_EL2_TFP msr cptr_el2, x2 +alternative_else + mrs x2, cpacr_el1 + orr x2, x2, #CPACR_EL1_FPEN + msr cpacr_el1, x2 +alternative_endif isb mrs x3, tpidr_el2 |