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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2010-10-25 18:10:51 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-10-25 18:10:21 +0400 |
| commit | 14375bc4eb8dd0fb0e765390650564c35bb31068 (patch) | |
| tree | 27200620658245c582ee9497fc969a082b304cab /arch/s390/mm | |
| parent | eca577ef5989d25dedc6b0fae3c4622ceaee8005 (diff) | |
| download | linux-14375bc4eb8dd0fb0e765390650564c35bb31068.tar.xz | |
[S390] cleanup facility list handling
Store the facility list once at system startup with stfl/stfle and
reuse the result for all facility tests.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/mm')
| -rw-r--r-- | arch/s390/mm/fault.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index b4aad0c1f562..fe5701e9efbf 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -56,12 +56,7 @@ static unsigned long store_indication; void fault_init(void) { - unsigned long long facility_list[2]; - - if (stfle(facility_list, 2) < 2) - return; - if ((facility_list[0] & (1ULL << 61)) && - (facility_list[1] & (1ULL << 52))) + if (test_facility(2) && test_facility(75)) store_indication = 0xc00; } |