On Tue, May 26, 2020 at 02:03:14PM +0800, Lichao Liu wrote: > From: YuanJunQing <yuanjunqin...@163.com> > > Register "a1" is unsaved in this function, > when CONFIG_TRACE_IRQFLAGS is enabled, > the TRACE_IRQS_OFF macro will call trace_hardirqs_off(), > and this may change register "a1". > The variment of register "a1" may send SIGFPE signal > to task when call do_fpe(),and this may kill the task. > > Signed-off-by: YuanJunQing <yuanjunqin...@163.com>
if you send patches from other people, please add your Signed-off-by. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
