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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-01-16 09:03:44 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-02-05 15:49:16 +0300 |
| commit | cf1489984641369611556bf00c48f945c77bcf02 (patch) | |
| tree | db97d15f77022fd35bea4f20274efa965bb5230f /arch/s390/include/asm/lowcore.h | |
| parent | e2dd833389cc4069a96b57bdd24227b5f52288f5 (diff) | |
| download | linux-cf1489984641369611556bf00c48f945c77bcf02.tar.xz | |
s390/alternative: use a copy of the facility bit mask
To be able to switch off specific CPU alternatives with kernel parameters
make a copy of the facility bit mask provided by STFLE and use the copy
for the decision to apply an alternative.
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/lowcore.h')
| -rw-r--r-- | arch/s390/include/asm/lowcore.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index ec6592e8ba36..c63986aee942 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -151,7 +151,8 @@ struct lowcore { __u8 pad_0x0e20[0x0f00-0x0e20]; /* 0x0e20 */ /* Extended facility list */ - __u64 stfle_fac_list[32]; /* 0x0f00 */ + __u64 stfle_fac_list[16]; /* 0x0f00 */ + __u64 alt_stfle_fac_list[16]; /* 0x0f80 */ __u8 pad_0x1000[0x11b0-0x1000]; /* 0x1000 */ /* Pointer to the machine check extended save area */ |