On Wed, Mar 18, 2020 at 09:48:01AM -0700, Randy Dunlap wrote: > On 3/18/20 4:09 AM, Stephen Rothwell wrote: > > Hi all, > > > > Changes since 20200317: > > > > Hi, > > For some reason, the attached .config file generates over 350 objtool warnings. > There are all "unreachable instruction" warnings. > > Here is a small sample: > > mm/page-writeback.o: warning: objtool: __set_page_dirty_nobuffers()+0x25b: unreachable instruction > kernel/sched/fair.o: warning: objtool: load_balance()+0x54c: unreachable instruction > kernel/power/process.o: warning: objtool: freeze_kernel_threads()+0x115: unreachable instruction > mm/readahead.o: warning: objtool: read_cache_pages_invalidate_page()+0x1b5: unreachable instruction > kernel/power/suspend.o: warning: objtool: suspend_devices_and_enter()+0x101f: unreachable instruction > kernel/sched/rt.o: warning: objtool: dequeue_top_rt_rq()+0x67: unreachable instruction WTH. This looks like the BUG "double ud2" problem we saw the other day. I wonder what changed. -- Josh
