4.1-rc1 fails with O3 optimization

[leo kirotawa]

that .config you sent is for 4.0-rc2, is that right?


here is the diff after a make oldconfig [1]

[1] http://pastebin.com/4Lfs2it0

On Tue, Apr 28, 2015 at 12:35 PM, Andev <debiandev at gmail.com> wrote:
> On Tue, Apr 28, 2015 at 9:03 AM, leo kirotawa <kirotawa at gmail.com> wrote:
>> I could boot it using qemu. So what's the point?
>
> Could you try the attached config and see if it boots?
>
>>
>> On Tue, Apr 28, 2015 at 2:41 AM, Andev <debiandev at gmail.com> wrote:
>>>
>>> On Mon, Apr 27, 2015 at 9:00 PM, Bobby Powers <bobbypowers at gmail.com>
>>> wrote:
>>> > Hello,
>>> >
>>> > Andev wrote:
>>> >> I usually compile my kernel with an unsupported O3 option(why not? :).
>>> >
>>> > Because there have been publications that show on major benchmarks,
>>> > the effects of -O3 are indistinguishable from noise:
>>> > http://people.cs.umass.edu/~emery/pubs/Stabilizer-UMass-CS-TR2011-43.pdf
>>> >
>>> > Have you noticed that -O3 provides any performance benefits over -O2?
>>> >
>>>
>>> Look here: http://www.spinics.net/lists/kernel/msg1962561.html
>>>
>>> Btw, this will help uncover problems in either gcc or the kernel for
>>> sure. So no harm in trying!
>>>
>>> --
>>> Andev
>>>
>>> _______________________________________________
>>> Kernelnewbies mailing list
>>> Kernelnewbies at kernelnewbies.org
>>> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>>
>>
>>
>>
>> --
>>
>> ----------------------------------------------
>> Leônidas S. Barbosa (Kirotawa)
>> blog: corecode.wordpress.com
>
>
>
> --
> Andev



-- 

----------------------------------------------
Leônidas S. Barbosa (Kirotawa)
blog: corecode.wordpress.com