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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-29 19:28:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-29 19:28:26 -0700 |
| commit | 0ecdb12a7ae983a012f662373fb3ccc22b920ed8 (patch) | |
| tree | e067c1b262b5c07fdbbee9296651d7182ddc2ebe /drivers | |
| parent | Merge git://github.com/davem330/sparc (diff) | |
| parent | [S390] cio: fix cio_tpi ignoring adapter interrupts (diff) | |
| download | linux-dev-0ecdb12a7ae983a012f662373fb3ccc22b920ed8.tar.xz linux-dev-0ecdb12a7ae983a012f662373fb3ccc22b920ed8.zip | |
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] cio: fix cio_tpi ignoring adapter interrupts
[S390] gmap: always up mmap_sem properly
[S390] Do not clobber personality flags on exec
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/cio/cio.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index cbde448f9947..eb3140ee821e 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -654,8 +654,8 @@ static struct io_subchannel_private console_priv; static int console_subchannel_in_use; /* - * Use tpi to get a pending interrupt, call the interrupt handler and - * return a pointer to the subchannel structure. + * Use cio_tpi to get a pending interrupt and call the interrupt handler. + * Return non-zero if an interrupt was processed, zero otherwise. */ static int cio_tpi(void) { @@ -667,6 +667,10 @@ static int cio_tpi(void) tpi_info = (struct tpi_info *)&S390_lowcore.subchannel_id; if (tpi(NULL) != 1) return 0; + if (tpi_info->adapter_IO) { + do_adapter_IO(tpi_info->isc); + return 1; + } irb = (struct irb *)&S390_lowcore.irb; /* Store interrupt response block to lowcore. */ if (tsch(tpi_info->schid, irb) != 0) |