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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-05-27 16:40:39 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-05-28 12:39:16 +0400 |
| commit | 63aef00b55d37e9fad837a8b38a2c261f0d32041 (patch) | |
| tree | 3cc75663f7b7aef3e303d440a927488e3660657e /drivers/s390/cio/cio.h | |
| parent | 993072ee67aa179c48c85eb19869804e68887d86 (diff) | |
| download | linux-63aef00b55d37e9fad837a8b38a2c261f0d32041.tar.xz | |
s390/lowcore: replace lowcore irb array with a per-cpu variable
Remove the 96-byte irb array from the lowcore and create a per-cpu
variable instead. That way we will pick up any change in the definition
of the struct irb automatically.
Acked-By: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/cio.h')
| -rw-r--r-- | drivers/s390/cio/cio.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index d42f67412bd8..a01376ae1749 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -102,6 +102,8 @@ struct subchannel { struct schib_config config; } __attribute__ ((aligned(8))); +DECLARE_PER_CPU(struct irb, cio_irb); + #define to_subchannel(n) container_of(n, struct subchannel, dev) extern int cio_validate_subchannel (struct subchannel *, struct subchannel_id); |