[PATCH 01/15] KDB: fix the interrupt of the KDB btc command

[Mike Travis]

The KDB 'btc' (backtrace cpus) command ignores the 'quit' reply
to the 'more>' prompt.  This is quite annoying when you have a
large number of processors and thousands of lines are being
printed.  This fixes that problem.

Cc: David Howells <dhowells@xxxxxxxxxx>
Reviewed-by: Dimitri Sivanich <sivanich@xxxxxxx>
Signed-off-by: Mike Travis <travis@xxxxxxx>
---
 kernel/debug/kdb/kdb_bt.c |    2 ++
 1 file changed, 2 insertions(+)

--- linux.orig/kernel/debug/kdb/kdb_bt.c
+++ linux/kernel/debug/kdb/kdb_bt.c
@@ -123,6 +123,8 @@ kdb_bt(int argc, const char **argv)
 			kdb_ps_suppressed();
 		/* Run the active tasks first */
 		for_each_online_cpu(cpu) {
+			if (KDB_FLAG(CMD_INTERRUPT))
+				return 0;
 			p = kdb_curr_task(cpu);
 			if (kdb_bt1(p, mask, argcount, btaprompt))
 				return 0;

-- 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/