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authorJason Wessel <jason.wessel@windriver.com>2010-05-20 21:04:26 -0500
committerJason Wessel <jason.wessel@windriver.com>2010-05-20 21:04:26 -0500
commitefe2f29e324fd20e0449bcd6dc6dbe4734c2ba94 (patch)
treeff8b2d7eddbfee39aebf7a43c6125202b6bda6d7 /kernel/debug
parent1cee5e35f15d0893be1ba944f1aec8676e43ab76 (diff)
downloadlinux-efe2f29e324fd20e0449bcd6dc6dbe4734c2ba94.tar.bz2
kgdboc,kdb: Allow kdb to work on a non open console port
If kdb is open on a serial port that is not actually a console make sure to call the poll routines to emit and receive characters. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Martin Hicks <mort@sgi.com>
Diffstat (limited to 'kernel/debug')
-rw-r--r--kernel/debug/kdb/kdb_io.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 8339b291e8bc..58be7e9c9e95 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -673,6 +673,14 @@ kdb_printit:
if (!dbg_kdb_mode && kgdb_connected) {
gdbstub_msg_write(kdb_buffer, retlen);
} else {
+ if (!dbg_io_ops->is_console) {
+ len = strlen(kdb_buffer);
+ cp = kdb_buffer;
+ while (len--) {
+ dbg_io_ops->write_char(*cp);
+ cp++;
+ }
+ }
while (c) {
c->write(c, kdb_buffer, retlen);
touch_nmi_watchdog();
@@ -719,6 +727,14 @@ kdb_printit:
kdb_input_flush();
c = console_drivers;
+ if (!dbg_io_ops->is_console) {
+ len = strlen(moreprompt);
+ cp = moreprompt;
+ while (len--) {
+ dbg_io_ops->write_char(*cp);
+ cp++;
+ }
+ }
while (c) {
c->write(c, moreprompt, strlen(moreprompt));
touch_nmi_watchdog();