diff options
-rw-r--r-- | drivers/video/fbdev/core/fbcon.c | 7 | ||||
-rw-r--r-- | include/linux/fb.h | 1 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index 3f7333dca508..498d9c07df80 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -270,12 +270,17 @@ static int fbcon_get_rotate(struct fb_info *info) return (ops) ? ops->rotate : 0; } +static bool fbcon_skip_panic(struct fb_info *info) +{ + return (info->skip_panic && unlikely(atomic_read(&panic_cpu) != PANIC_CPU_INVALID)); +} + static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info) { struct fbcon_ops *ops = info->fbcon_par; return (info->state != FBINFO_STATE_RUNNING || - vc->vc_mode != KD_TEXT || ops->graphics); + vc->vc_mode != KD_TEXT || ops->graphics || fbcon_skip_panic(info)); } static int get_color(struct vc_data *vc, struct fb_info *info, diff --git a/include/linux/fb.h b/include/linux/fb.h index db7d97b10964..865dad03e73e 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -510,6 +510,7 @@ struct fb_info { void *par; bool skip_vt_switch; /* no VT switch on suspend/resume required */ + bool skip_panic; /* Do not write to the fb after a panic */ }; /* This will go away |