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authorJason Wessel <jason.wessel@windriver.com>2010-05-20 21:04:27 -0500
committerJason Wessel <jason.wessel@windriver.com>2010-05-20 21:04:27 -0500
commitd37d39ae3b4a8f9a21114921fb344fe7cadb1abd (patch)
tree2c20219725a12c343429758ec378b5c9d08b04bd /include/linux/kdb.h
parentefe2f29e324fd20e0449bcd6dc6dbe4734c2ba94 (diff)
downloadlinux-linaro-stable-d37d39ae3b4a8f9a21114921fb344fe7cadb1abd.tar.gz
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 'include/linux/kdb.h')
-rw-r--r--include/linux/kdb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/kdb.h b/include/linux/kdb.h
index d72fa3908128..ccb2b3ec0fe8 100644
--- a/include/linux/kdb.h
+++ b/include/linux/kdb.h
@@ -78,6 +78,9 @@ typedef enum {
KDB_REASON_SSTEP, /* Single Step trap. - regs valid */
} kdb_reason_t;
+extern int kdb_trap_printk;
+extern int vkdb_printf(const char *fmt, va_list args)
+ __attribute__ ((format (printf, 1, 0)));
extern int kdb_printf(const char *, ...)
__attribute__ ((format (printf, 1, 2)));
typedef int (*kdb_printf_t)(const char *, ...)