From 9bae3ae513015eea9534cc2c2b6f7e405abad71a Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Mon, 3 Apr 2017 19:37:36 +0100 Subject: [PATCH] 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 Signed-off-by: Marc Zyngier Signed-off-by: Christoffer Dall --- arch/arm64/kernel/hyp-stub.S | 4 ---- 1 file changed, 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) -- 2.20.1