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| author |   Marc Zyngier <marc.zyngier@arm.com> | 2017-04-03 19:37:36 +0100 |
|---|---|---|
| committer |   Christoffer Dall <cdall@linaro.org> | 2017-04-09 07:49:18 -0700 |
| commit | 9bae3ae513015eea9534cc2c2b6f7e405abad71a (patch) | |
| tree | efaf07c84faa176d80344ceb22562d7cfe48c583 | |
| parent | arm64: KVM: Move lr save/restore to do_el2_call (diff) | |
| download | linux-dev-9bae3ae513015eea9534cc2c2b6f7e405abad71a.tar.xz linux-dev-9bae3ae513015eea9534cc2c2b6f7e405abad71a.zip | |
arm64: hyp-stub: Don't save lr in the EL1 code
The EL2 code is not corrupting lr anymore, so don't bother preserving
it in the EL1 trampoline code.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <cdall@linaro.org>
| -rw-r--r-- | arch/arm64/kernel/hyp-stub.S | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S index e4215ad06930..193dfb25ce2f 100644 --- a/arch/arm64/kernel/hyp-stub.S +++ b/arch/arm64/kernel/hyp-stub.S @@ -116,18 +116,14 @@ ENDPROC(\label) */ ENTRY(__hyp_get_vectors) - str lr, [sp, #-16]! mov x0, #HVC_GET_VECTORS hvc #0 - ldr lr, [sp], #16 ret ENDPROC(__hyp_get_vectors) ENTRY(__hyp_set_vectors) - str lr, [sp, #-16]! mov x1, x0 mov x0, #HVC_SET_VECTORS hvc #0 - ldr lr, [sp], #16 ret ENDPROC(__hyp_set_vectors) |