diff options
author | Marc Zyngier <[email protected]> | 2017-04-03 19:37:36 +0100 |
---|---|---|
committer | Christoffer Dall <[email protected]> | 2017-04-09 07:49:18 -0700 |
commit | 9bae3ae513015eea9534cc2c2b6f7e405abad71a (patch) | |
tree | efaf07c84faa176d80344ceb22562d7cfe48c583 | |
parent | 6c9ae25dfcaea32512fc27308c64e78159c46aeb (diff) |
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 <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
Signed-off-by: Christoffer Dall <[email protected]>
-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) |