diff options
| -rw-r--r-- | drivers/char/vt.c | 17 | ||||
| -rw-r--r-- | include/linux/kdb.h | 4 | ||||
| -rw-r--r-- | kernel/debug/kdb/kdb_private.h | 2 |
3 files changed, 21 insertions, 2 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 117ce99115dc..4a9eb3044e52 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -104,6 +104,7 @@ #include <linux/io.h> #include <asm/system.h> #include <linux/uaccess.h> +#include <linux/kdb.h> #define MAX_NR_CON_DRIVER 16 @@ -3442,6 +3443,22 @@ int con_debug_enter(struct vc_data *vc) console_blanked = 0; if (vc->vc_sw->con_debug_enter) ret = vc->vc_sw->con_debug_enter(vc); +#ifdef CONFIG_KGDB_KDB + /* Set the initial LINES variable if it is not already set */ + if (vc->vc_rows < 999) { + int linecount; + char lns[4]; + const char *setargs[3] = { + "set", + "LINES", + lns, + }; + if (kdbgetintenv(setargs[0], &linecount)) { + snprintf(lns, 4, "%i", vc->vc_rows); + kdb_set(2, setargs); + } + } +#endif /* CONFIG_KGDB_KDB */ return ret; } EXPORT_SYMBOL_GPL(con_debug_enter); diff --git a/include/linux/kdb.h b/include/linux/kdb.h index ccb2b3ec0fe8..ea6e5244ed3f 100644 --- a/include/linux/kdb.h +++ b/include/linux/kdb.h @@ -114,4 +114,8 @@ enum { KDB_INIT_EARLY, KDB_INIT_FULL, }; + +extern int kdbgetintenv(const char *, int *); +extern int kdb_set(int, const char **); + #endif /* !_KDB_H */ diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h index 97d3ba69775d..c438f545a321 100644 --- a/kernel/debug/kdb/kdb_private.h +++ b/kernel/debug/kdb/kdb_private.h @@ -144,9 +144,7 @@ extern int kdb_getword(unsigned long *, unsigned long, size_t); extern int kdb_putword(unsigned long, unsigned long, size_t); extern int kdbgetularg(const char *, unsigned long *); -extern int kdb_set(int, const char **); extern char *kdbgetenv(const char *); -extern int kdbgetintenv(const char *, int *); extern int kdbgetaddrarg(int, const char **, int*, unsigned long *, long *, char **); extern int kdbgetsymval(const char *, kdb_symtab_t *); |