Hi Tomi, On 10/30/2013 07:20 PM, Tomi Valkeinen wrote: > Hi, > > On 2013-10-28 08:01, Gu Zheng wrote: >> Following commits: >> 50e244cc79 fb: rework locking to fix lock ordering on takeover >> e93a9a8687 fb: Yet another band-aid for fixing lockdep mess >> 054430e773 fbcon: fix locking harder >> >> reworked locking to fix related lock ordering on takeover, and introduced console_lock >> into fbmem, but it seems that the new lock sequence(fb_info->lock ---> console_lock) >> is against with the one in console_callback(console_lock ---> fb_info->lock), and leads to >> a potential deadlock as following: > > A quick grep shows that there are other places than fbmem.c which use > lock_fb_info and console_lock, for example drivers/video/sh_mobile_lcdcfb.c. Yes, thanks for your reminder, I'll fix them all in the next version. Regards, Gu > > Tomi > > -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
