diff options
| author | Linus Torvalds <torvalds@woody.osdl.org> | 2007-01-09 09:34:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2007-01-09 09:34:20 -0800 |
| commit | 599c853195f43dfbcbf28b362e6ae80ffa33fec7 (patch) | |
| tree | 0a4730bd6cb2289bc3b81fdac1d42888d9de8e5f /drivers | |
| parent | 2f5c33b3180169f3eafb698b66686962d637fb0e (diff) | |
| parent | bf3dbdcd0bfca74c16ad0b2b5a978907c864ed4c (diff) | |
| download | linux-599c853195f43dfbcbf28b362e6ae80ffa33fec7.tar.bz2 | |
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] locking problem with __cpcmd.
[S390] don't call handle_mm_fault() if in an atomic context.
[S390] Fix vmalloc area size calculation.
[S390] Fix cpu hotplug (missing 'online' attribute).
[S390] cio: use barrier() in stsch_reset.
[S390] memory detection misses 128k.
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/char/vmcp.c | 2 | ||||
| -rw-r--r-- | drivers/s390/cio/cio.c | 12 |
2 files changed, 5 insertions, 9 deletions
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c index 1678b6c757ec..a420cd099041 100644 --- a/drivers/s390/char/vmcp.c +++ b/drivers/s390/char/vmcp.c @@ -117,7 +117,7 @@ vmcp_write(struct file *file, const char __user * buff, size_t count, return -ENOMEM; } debug_text_event(vmcp_debug, 1, cmd); - session->resp_size = __cpcmd(cmd, session->response, + session->resp_size = cpcmd(cmd, session->response, session->bufsize, &session->resp_code); up(&session->mutex); diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index b471ac4a1bf6..ae1bf231d089 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -880,19 +880,15 @@ static void cio_reset_pgm_check_handler(void) static int stsch_reset(struct subchannel_id schid, volatile struct schib *addr) { int rc; - register struct subchannel_id reg1 asm ("1") = schid; pgm_check_occured = 0; s390_reset_pgm_handler = cio_reset_pgm_check_handler; + rc = stsch(schid, addr); + s390_reset_pgm_handler = NULL; - asm volatile( - " stsch 0(%2)\n" - " ipm %0\n" - " srl %0,28" - : "=d" (rc) - : "d" (reg1), "a" (addr), "m" (*addr) : "memory", "cc"); + /* The program check handler could have changed pgm_check_occured */ + barrier(); - s390_reset_pgm_handler = NULL; if (pgm_check_occured) return -EIO; else |