[PATCH 01/14] KDB: fix the interrupt of the KDB btc command

Mike Travis
2013-03-12T19:38:31Z

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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@redhat.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
---
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;

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