diff options
author | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-09-19 09:46:02 -0400 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-09-25 04:52:06 -0400 |
commit | b881dcfbf7fd89b2be801843b060b9ad77cc77e7 (patch) | |
tree | 520b211cbbf6dac9df0c9804bc2331ca669ef6c1 /arch/s390 | |
parent | d59b93da5e572703e1a7311c13dd3472a4e56e30 (diff) |
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>
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/kernel/head.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index e88d35d74950..d62eee11f0b5 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S | |||
@@ -398,7 +398,7 @@ ENTRY(startup_kdump) | |||
398 | xc __LC_STFL_FAC_LIST(8),__LC_STFL_FAC_LIST | 398 | xc __LC_STFL_FAC_LIST(8),__LC_STFL_FAC_LIST |
399 | #ifndef CONFIG_MARCH_G5 | 399 | #ifndef CONFIG_MARCH_G5 |
400 | # check capabilities against MARCH_{G5,Z900,Z990,Z9_109,Z10} | 400 | # check capabilities against MARCH_{G5,Z900,Z990,Z9_109,Z10} |
401 | .insn s,0xb2b10000,__LC_STFL_FAC_LIST # store facility list | 401 | .insn s,0xb2b10000,0 # store facilities @ __LC_STFL_FAC_LIST |
402 | tm __LC_STFL_FAC_LIST,0x01 # stfle available ? | 402 | tm __LC_STFL_FAC_LIST,0x01 # stfle available ? |
403 | jz 0f | 403 | jz 0f |
404 | la %r0,1 | 404 | la %r0,1 |