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authorMarc Zyngier <marc.zyngier@arm.com>2019-01-05 16:06:53 +0000
committerMarc Zyngier <marc.zyngier@arm.com>2019-02-19 21:05:28 +0000
commit7cba8a8d0d39c8846d0095fc2d2225c7983f4009 (patch)
treecef86da9056c0d263b9a58d6b683758e73211011
parent18fc7bf8e041272f74a3237b99261d59c3ff0388 (diff)
downloadlinux-7cba8a8d0d39c8846d0095fc2d2225c7983f4009.tar.bz2
arm64: KVM: Drop VHE-specific HYP call stub
We now call VHE code directly, without going through any central dispatching function. Let's drop that code. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Christoffer Dall <christoffer.dall@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
-rw-r--r--arch/arm64/kvm/hyp.S3
-rw-r--r--arch/arm64/kvm/hyp/hyp-entry.S12
2 files changed, 0 insertions, 15 deletions
diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S
index 952f6cb9cf72..2845aa680841 100644
--- a/arch/arm64/kvm/hyp.S
+++ b/arch/arm64/kvm/hyp.S
@@ -40,9 +40,6 @@
* arch/arm64/kernel/hyp_stub.S.
*/
ENTRY(__kvm_call_hyp)
-alternative_if_not ARM64_HAS_VIRT_HOST_EXTN
hvc #0
ret
-alternative_else_nop_endif
- b __vhe_hyp_call
ENDPROC(__kvm_call_hyp)
diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S
index 73c1b483ec39..2b1e686772bf 100644
--- a/arch/arm64/kvm/hyp/hyp-entry.S
+++ b/arch/arm64/kvm/hyp/hyp-entry.S
@@ -43,18 +43,6 @@
ldr lr, [sp], #16
.endm
-ENTRY(__vhe_hyp_call)
- do_el2_call
- /*
- * We used to rely on having an exception return to get
- * an implicit isb. In the E2H case, we don't have it anymore.
- * rather than changing all the leaf functions, just do it here
- * before returning to the rest of the kernel.
- */
- isb
- ret
-ENDPROC(__vhe_hyp_call)
-
el1_sync: // Guest trapped into EL2
mrs x0, esr_el2