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authorMarc Zyngier <marc.zyngier@arm.com>2017-04-03 20:37:43 +0200
committerChristoffer Dall <cdall@linaro.org>2017-04-09 16:49:22 +0200
commit4adb1341c7ef68af54732ef11f69faedffa6acb7 (patch)
tree7112edec37151cf50a7a1f8639d0d84d3c5a3dff /arch/arm64/kvm
parentarm64: KVM: Allow the main HYP code to use the init hyp stub implementation (diff)
downloadlinux-4adb1341c7ef68af54732ef11f69faedffa6acb7.tar.xz
linux-4adb1341c7ef68af54732ef11f69faedffa6acb7.zip
arm64: KVM: Convert __cpu_reset_hyp_mode to using __hyp_reset_vectors
We are now able to use the hyp stub to reset HYP mode. Time to kiss __kvm_hyp_reset goodbye, and use __hyp_reset_vectors. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: James Morse <james.morse@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <cdall@linaro.org>
Diffstat (limited to 'arch/arm64/kvm')
-rw-r--r--arch/arm64/kvm/hyp-init.S2
-rw-r--r--arch/arm64/kvm/hyp/hyp-entry.S15
2 files changed, 0 insertions, 17 deletions
diff --git a/arch/arm64/kvm/hyp-init.S b/arch/arm64/kvm/hyp-init.S
index fded932ede1b..b7a8f12293cc 100644
--- a/arch/arm64/kvm/hyp-init.S
+++ b/arch/arm64/kvm/hyp-init.S
@@ -134,7 +134,6 @@ ENTRY(__kvm_handle_stub_hvc)
/*
* Reset kvm back to the hyp stub.
*/
-ENTRY(__kvm_hyp_reset)
/* We're now in idmap, disable MMU */
mrs x0, sctlr_el2
ldr x1, =SCTLR_ELx_FLAGS
@@ -152,7 +151,6 @@ ENTRY(__kvm_hyp_reset)
exit:
eret
-ENDPROC(__kvm_hyp_reset)
ENDPROC(__kvm_handle_stub_hvc)
.ltorg
diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S
index 4f34c5996f86..5170ce1021da 100644
--- a/arch/arm64/kvm/hyp/hyp-entry.S
+++ b/arch/arm64/kvm/hyp/hyp-entry.S
@@ -53,21 +53,6 @@ ENTRY(__vhe_hyp_call)
ret
ENDPROC(__vhe_hyp_call)
-/*
- * Compute the idmap address of __kvm_hyp_reset based on the idmap
- * start passed as a parameter, and jump there.
- *
- * x0: HYP phys_idmap_start
- */
-ENTRY(__kvm_hyp_teardown)
- mov x4, x0
- adr_l x3, __kvm_hyp_reset
-
- /* insert __kvm_hyp_reset()s offset into phys_idmap_start */
- bfi x4, x3, #0, #PAGE_SHIFT
- br x4
-ENDPROC(__kvm_hyp_teardown)
-
el1_sync: // Guest trapped into EL2
stp x0, x1, [sp, #-16]!