From: Stafford Horne <shorne@gmail.com>
Date: Fri, 3 Dec 2021 13:56:50 +0000 (+0900)
Subject: openrisc: Use delay slot for clone and fork wrappers
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=07baf50ac754384b9ea996f82b9a2a8aba946aa4;p=linux.git

openrisc: Use delay slot for clone and fork wrappers

This saves one instruction.

Signed-off-by: Stafford Horne <shorne@gmail.com>
---

diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S
index c608f76e5753f..8cd2113057c53 100644
--- a/arch/openrisc/kernel/entry.S
+++ b/arch/openrisc/kernel/entry.S
@@ -1162,15 +1162,13 @@ _fork_save_extra_regs_and_call:
 
 ENTRY(__sys_clone)
 	l.movhi	r29,hi(sys_clone)
-	l.ori	r29,r29,lo(sys_clone)
 	l.j	_fork_save_extra_regs_and_call
-	 l.nop
+	 l.ori	r29,r29,lo(sys_clone)
 
 ENTRY(__sys_fork)
 	l.movhi	r29,hi(sys_fork)
-	l.ori	r29,r29,lo(sys_fork)
 	l.j	_fork_save_extra_regs_and_call
-	 l.nop
+	 l.ori	r29,r29,lo(sys_fork)
 
 ENTRY(sys_rt_sigreturn)
 	l.jal	_sys_rt_sigreturn