On Fri, Dec 01, 2023 at 11:12:21AM +0000, Jiaxun Yang wrote: > > > 在2023年11月30日十一月 下午4:36，Thomas Bogendoerfer写道： > > io_uring sets up the io worker kernel thread via a syscall out of an > > user space prrocess. This process might have used FPU and since > > copy_thread() didn't clear FPU states for kernel threads a BUG() > > is triggered for using FPU inside kernel. Move code around > > to always clear FPU state for user and kernel threads. > > > > Cc: stable@xxxxxxxxxxxxxxx > > Reported-by: Aurelien Jarno <aurel32@xxxxxxxxxx> > > Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1055021 > > Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> > > Reviewed-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> > > Perhaps > Suggested-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> > > As well :-) I've added both Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
