[PATCH 10/20] ARM: hyp-stub: Use r1 for the soft-restart address

Marc Zyngier marc.zyngier at arm.com
Fri Feb 17 07:44:19 PST 2017


It is not really obvious why the restart address should be in r3
when communicated to the hyp-stub. r1 should be perfectly adequate,
and consistent with the rest of the code.

Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
---
 arch/arm/kernel/hyp-stub.S | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S
index 8301db963d83..8fa521bd63d2 100644
--- a/arch/arm/kernel/hyp-stub.S
+++ b/arch/arm/kernel/hyp-stub.S
@@ -214,7 +214,7 @@ __hyp_stub_do_trap:
 
 1:	teq	r0, #HVC_SOFT_RESTART
 	bne	1f
-	bx	r3
+	bx	r1
 
 1:	mov	r0, #-1
 
@@ -258,10 +258,8 @@ ENTRY(__hyp_set_vectors)
 ENDPROC(__hyp_set_vectors)
 
 ENTRY(__hyp_soft_restart)
-	mov	r3, r0
 	mov	r0, #HVC_SOFT_RESTART
 	__HVC(0)
-	mov	r0, r3
 	ret	lr
 ENDPROC(__hyp_soft_restart)
 
-- 
2.11.0




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