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authorPeter Oberparleiter <oberpar@linux.vnet.ibm.com>2015-07-02 09:06:55 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2015-07-22 09:58:05 +0200
commit00fd2cb0ec4208a32272b4c2f1063ab99a76473c (patch)
tree5f16167c0791283e7b14a8314cbb4e427ac3657a /drivers/s390/char/sclp.c
parents390/pci: inline get_zdev (diff)
downloadlinux-00fd2cb0ec4208a32272b4c2f1063ab99a76473c.tar.xz
linux-00fd2cb0ec4208a32272b4c2f1063ab99a76473c.zip
s390/sclp: Change SCLP console default buffer-full behavior
Dropping kernel messages during a console-buffer-full condition is preferable to halting the system until console messages are delivered, especially for production systems. Update default for sclp_console_drop kernel parameter accordingly. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@linux.vnet.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/char/sclp.c')
-rw-r--r--drivers/s390/char/sclp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 5e20513c0587..f58bf4c6c3ee 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -53,7 +53,7 @@ static DECLARE_COMPLETION(sclp_request_queue_flushed);
/* Number of console pages to allocate, used by sclp_con.c and sclp_vt220.c */
int sclp_console_pages = SCLP_CONSOLE_PAGES;
/* Flag to indicate if buffer pages are dropped on buffer full condition */
-int sclp_console_drop = 0;
+int sclp_console_drop = 1;
/* Number of times the console dropped buffer pages */
unsigned long sclp_console_full;
@@ -79,8 +79,8 @@ static int __init sclp_setup_console_drop(char *str)
int drop, rc;
rc = kstrtoint(str, 0, &drop);
- if (!rc && drop)
- sclp_console_drop = 1;
+ if (!rc)
+ sclp_console_drop = drop;
return 1;
}