2007-01-09 09:26:26

by Martin Schwidefsky

[permalink] [raw]
Subject: [S390] locking problem with __cpcmd.

From: Christian Borntraeger <[email protected]>

[S390] locking problem with __cpcmd.

Changeset 740b5706b9c4b3767f597b3ea76654c6f2a800b2 moved the protecting
spinlock from __cpcmd to cpcmd. Therefore vmcp can no longer use __cpcmd,
instead we have to use cpcmd.

Signed-off-by: Christian Borntraeger <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
---

drivers/s390/char/vmcp.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)

diff -urpN linux-2.6/drivers/s390/char/vmcp.c linux-2.6-patched/drivers/s390/char/vmcp.c
--- linux-2.6/drivers/s390/char/vmcp.c 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6-patched/drivers/s390/char/vmcp.c 2007-01-09 10:08:02.000000000 +0100
@@ -117,7 +117,7 @@ vmcp_write(struct file *file, const char
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);