sparc: Set reboot-cmd using reboot data hypervisor call if available.
[ Upstream commit ea5e7447ea9d555558e0f13798f5143dd51a915a ]
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/arch/sparc/kernel/hvcalls.S b/arch/sparc/kernel/hvcalls.S
index 8a5f35f..58d60de 100644
--- a/arch/sparc/kernel/hvcalls.S
+++ b/arch/sparc/kernel/hvcalls.S
@@ -798,3 +798,10 @@
retl
nop
ENDPROC(sun4v_niagara2_setperf)
+
+ENTRY(sun4v_reboot_data_set)
+ mov HV_FAST_REBOOT_DATA_SET, %o5
+ ta HV_FAST_TRAP
+ retl
+ nop
+ENDPROC(sun4v_reboot_data_set)