lkml.org 
[lkml]   [2018]   [Feb]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: objtool warnings on 4.14-stable/gcc-7.3.0
On Wed, Feb 28, 2018 at 3:20 AM, Josh Poimboeuf <jpoimboe@redhat.com> wrote:
> On Wed, Feb 14, 2018 at 04:45:25PM -0600, Josh Poimboeuf wrote:
>> On Wed, Feb 14, 2018 at 04:24:12PM -0600, Josh Poimboeuf wrote:
>> > On Wed, Feb 14, 2018 at 04:11:15PM +0100, Arnd Bergmann wrote:
>> > > crypto/asymmetric_keys/x509_cert_parser.o: warning: objtool:
>> > > x509_note_pkey_algo()+0xa4: sibling call from callable instruction
>> > > with modified stack frame
>>
>> From a quick glance, this looks like yet another switch statement
>> detection issue. I'll need to dig into it more (unless PeterZ, my shiny
>> new co-maintainer, wants to take a look!)
>
> Arnd, can you test this fix?

It took me a while, as I had lost the earlier reproducer and am
currently testing
linux-next/gcc-8 whereas the report was for v4.14/gcc-7.

I have finally found a new reproducer on linux-next/gcc-7 and confirmed that
the warning is fixed now, both for gcc-7 and gcc-8.

Thanks for the fix!

Arnd

\
 
 \ /
  Last update: 2018-02-28 12:26    [W:0.440 / U:0.556 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site