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authorLinus Torvalds <torvalds@woody.osdl.org>2007-01-09 09:34:20 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2007-01-09 09:34:20 -0800
commit599c853195f43dfbcbf28b362e6ae80ffa33fec7 (patch)
tree0a4730bd6cb2289bc3b81fdac1d42888d9de8e5f /drivers
parent2f5c33b3180169f3eafb698b66686962d637fb0e (diff)
parentbf3dbdcd0bfca74c16ad0b2b5a978907c864ed4c (diff)
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.c2
-rw-r--r--drivers/s390/cio/cio.c12
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