s390/head.s: use zero as address for stfl

The architecture suggests to use address 0 as parameter for stfl,
to allow for future extensions. Using __LC_STFL_FAC_LIST (0x200)
shows which address is used, but might be not future proof.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index e88d35d749501e43b296e8794351f691368dcf5e..d62eee11f0b54240339d898fbf95d4299c011545 100644 (file)
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -398,7 +398,7 @@ ENTRY(startup_kdump)
        xc      __LC_STFL_FAC_LIST(8),__LC_STFL_FAC_LIST
 #ifndef CONFIG_MARCH_G5
        # check capabilities against MARCH_{G5,Z900,Z990,Z9_109,Z10}
-       .insn   s,0xb2b10000,__LC_STFL_FAC_LIST # store facility list
+       .insn   s,0xb2b10000,0          # store facilities @ __LC_STFL_FAC_LIST
        tm      __LC_STFL_FAC_LIST,0x01 # stfle available ?
        jz      0f
        la      %r0,1