On 2/8/21 1:21 PM, Josh Poimboeuf wrote: > On Mon, Feb 08, 2021 at 11:30:59AM -0800, Randy Dunlap wrote: >> On 2/8/21 4:52 AM, Stephen Rothwell wrote: >>> Hi all, >>> >>> Changes since 20210205: >>> >> >> on x86_64: >> >> objtool warnings: (from 3 different randconfig builds) >> >> drivers/input/touchscreen/elants_i2c.o: warning: objtool: elants_i2c_initialize() falls through to next function elants_i2c_resume() > > Randy, can you share the .o? (you may need to gzip it, still waiting on > corporate IT to allow me to receive .o files) Sure, no problem. It's attached. >> fs/select.o: warning: objtool: do_sys_poll()+0x8e9: call to __ubsan_handle_sub_overflow() with UACCESS enabled >> lib/iov_iter.o: warning: objtool: iovec_from_user.part.12()+0x2db: call to __ubsan_handle_add_overflow() with UACCESS enabled > > Peter, we need the patch to prevent UBSAN with gcc7? > >> vmlinux.o: warning: objtool: do_machine_check()+0x7ee: call to queue_task_work() leaves .noinstr.text section >> vmlinux.o: warning: objtool: lock_is_held_type()+0x107: call to warn_bogus_irq_restore() leaves .noinstr.text section > > Peter? thanks. -- ~Randy
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