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SubjectRe: [PATCH 0/19] desc_struct integration
Ingo Molnar wrote:
> * Glauber de Oliveira Costa <gcosta@redhat.com> wrote:
>
>> Ingo Molnar wrote:
>>> * Ingo Molnar <mingo@elte.hu> wrote:
>>>
>>>>>> Ingo, in the absense of further complaints, could you please push to
>>>>>> the x86 tree?
>>>>> yeah, i've added them.
>>>> the patches cause a spontaneous reboot on x86 64-bit, around the time
>>>> when bootup hits user-space. It's due to one of the 25 patches from you
>>>> today. Config attached.
>>> likely caused by this patch:
>>>
>>> Subject: unify non-paravirt parts of desc.h
>>>
>>> _please_ be more careful when unifying. Do check the before/after vmlinux
>>> - the binary size at least. And watch out for compiler warnings as well:
>>>
>>> arch/x86/kernel/process_64.c: In function 'read_32bit_tls':
>>> arch/x86/kernel/process_64.c:454: warning: passing argument 1 of 'get_desc_base' from incompatible pointer type
>
>> I saw this warning, and this was fixed in the patch that follows. But
>> yeah, I could have done a separate one, to avoid it. Do you have any
>> other reason to believe this is the cause?
>
> that is bisection-unfriendly - every patch has to work.
I know, and I'm sorry. I thought it was not that bad, by being just a
warning due to a type cast. ;-)
(famous last words, I know)

>> My box booted fine with the changes, but I'm re-verifying, and will
>> send and update soon.
>
> please try the config i sent - does that boot fine on your box?
No, it doesn't. I'll bisect it, and send an updated series, with your 3
concerns addressed.




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