frv: split ret_from_fork, simplify kernel_thread() a lot
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S
index 7d5e000..7a88613 100644
--- a/arch/frv/kernel/entry.S
+++ b/arch/frv/kernel/entry.S
@@ -863,6 +863,14 @@
setlos.p #0,gr8
bra __syscall_exit
+ .globl ret_from_kernel_thread
+ret_from_kernel_thread:
+ lddi.p @(gr28,#REG_GR(8)),gr20
+ call schedule_tail
+ or.p gr20,gr20,gr8
+ calll @(gr21,gr0)
+ bra sys_exit
+
###################################################################################################
#
# Return to user mode is not as complex as all this looks,