linux-kernel - Re: Remaining randconfig objtool warnings, linux-next-20200428

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Message-ID: <20200501154917.azhvf2wtfo6stlkl@treble>
Date:   Fri, 1 May 2020 10:49:17 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        the arch/x86 maintainers <x86@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Remaining randconfig objtool warnings, linux-next-20200428

On Fri, May 01, 2020 at 02:33:19PM +0200, Peter Zijlstra wrote:
> On Thu, Apr 30, 2020 at 08:07:33PM -0500, Josh Poimboeuf wrote:
> > On Thu, Apr 30, 2020 at 04:05:07PM +0200, Arnd Bergmann wrote:
> > > lib/strncpy_from_user.o: warning: objtool: strncpy_from_user()+0x133: call to do_strncpy_from_user() with UACCESS enabled
> > > lib/strnlen_user.o: warning: objtool: strnlen_user()+0x122: call to do_strnlen_user() with UACCESS enabled
> > 
> > Does this fix it?
> > 
> 
> GCC is a moron, a static function with inline and a single callsite,
> let's out-of-line it, shees!, try this instead:

Yeah, that's easier :-)

-- 
Josh