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| author | Jason Wessel <jason.wessel@windriver.com> | 2010-05-20 21:04:27 -0500 |
|---|---|---|
| committer | Jason Wessel <jason.wessel@windriver.com> | 2010-05-20 21:04:27 -0500 |
| commit | d37d39ae3b4a8f9a21114921fb344fe7cadb1abd (patch) | |
| tree | 2c20219725a12c343429758ec378b5c9d08b04bd /kernel/debug/kdb/kdb_bt.c | |
| parent | efe2f29e324fd20e0449bcd6dc6dbe4734c2ba94 (diff) | |
| download | blackbird-obmc-linux-d37d39ae3b4a8f9a21114921fb344fe7cadb1abd.tar.gz blackbird-obmc-linux-d37d39ae3b4a8f9a21114921fb344fe7cadb1abd.zip | |
printk,kdb: capture printk() when in kdb shell
Certain calls from the kdb shell will call out to printk(), and any of
these calls should get vectored back to the kdb_printf() so that the
kdb pager and processing can be used, as well as to properly channel
I/O to the polled I/O devices.
CC: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'kernel/debug/kdb/kdb_bt.c')
| -rw-r--r-- | kernel/debug/kdb/kdb_bt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/debug/kdb/kdb_bt.c b/kernel/debug/kdb/kdb_bt.c index 483fa4e7aaac..2f62fe85f16a 100644 --- a/kernel/debug/kdb/kdb_bt.c +++ b/kernel/debug/kdb/kdb_bt.c @@ -23,6 +23,7 @@ static void kdb_show_stack(struct task_struct *p, void *addr) { int old_lvl = console_loglevel; console_loglevel = 15; + kdb_trap_printk++; kdb_set_current_task(p); if (addr) { show_stack((struct task_struct *)p, addr); @@ -36,6 +37,7 @@ static void kdb_show_stack(struct task_struct *p, void *addr) show_stack(p, NULL); } console_loglevel = old_lvl; + kdb_trap_printk--; } /* |
