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authorDavid S. Miller <davem@davemloft.net>2012-03-05 21:16:26 -0500
committerDavid S. Miller <davem@davemloft.net>2012-03-05 21:16:26 -0500
commitf6a1ad4295f9291038380178d09978caf6982dd8 (patch)
tree7c35e8efe1812baca9c6b9674be1ee02a0495ec3 /kernel/printk.c
parent036dafa28da1e2565a8529de2ae663c37b7a0060 (diff)
parentf3969bf78f140f437f51787dfc2751943ba454d1 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/vmxnet3/vmxnet3_drv.c Small vmxnet3 conflict with header size bug fix in 'net'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/printk.c')
-rw-r--r--kernel/printk.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index 13c0a1143f4..32690a0b7a1 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -702,6 +702,9 @@ static bool printk_time = 0;
#endif
module_param_named(time, printk_time, bool, S_IRUGO | S_IWUSR);
+static bool always_kmsg_dump;
+module_param_named(always_kmsg_dump, always_kmsg_dump, bool, S_IRUGO | S_IWUSR);
+
/* Check if we have any console registered that can be called early in boot. */
static int have_callable_console(void)
{
@@ -1732,6 +1735,9 @@ void kmsg_dump(enum kmsg_dump_reason reason)
unsigned long l1, l2;
unsigned long flags;
+ if ((reason > KMSG_DUMP_OOPS) && !always_kmsg_dump)
+ return;
+
/* Theoretically, the log could move on after we do this, but
there's not a lot we can do about that. The new messages
will overwrite the start of what we dump. */