linux-kernel - Re: linux-next: Tree for Feb 8 (objtool: warnings: 5)

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Message-ID: <2000eae0-89f4-a88f-a113-7fa47f16def7@infradead.org>
Date:   Mon, 8 Feb 2021 11:30:59 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: linux-next: Tree for Feb 8 (objtool: warnings: 5)

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()
~~~~~
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
~~~~~
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



What would you like from these?

-- 
~Randy
Reported-by: Randy Dunlap <rdunlap@...radead.org>