That would be my guess, too.

On September 22, 2014 10:37:11 PM PDT, Ingo Molnar <[email protected]> wrote:
>
>* Ingo Molnar <[email protected]> wrote:
>
>> 
>> * Linus Torvalds <[email protected]> wrote:
>> 
>> > On Fri, Sep 19, 2014 at 3:40 AM, Ingo Molnar <[email protected]>
>wrote:
>> > >
>> > > Please pull the latest x86-urgent-for-linus git tree from:
>> > 
>> > I only just noticed, but this pull request causes my Sony Vaio 
>> > laptop to immediately reboot at startup.
>> > 
>> > I'm assuming it's one of the efi changes, but I'm bisecting now 
>> > to say exactly where it happens. It will get reverted.
>> 
>> I've Cc:-ed Matt.
>> 
>> My guess would be one of these two EFI commits:
>> 
>>       * Fix early boot regression affecting x86 EFI boot stub when
>loading
>>         initrds above 4GB - Yinghai Lu
>>     
>> 47226ad4f4cf x86/efi: Only load initrd above 4g on second try
>> 
>>       * Relocate GOT entries in the x86 EFI boot stub now that we
>have
>>         symbols with global visibility - Matt Fleming
>> 
>> 9cb0e394234d x86/efi: Fixup GOT in all boot code paths
>> 
>> If it's 9cb0e394234d - then it's perhaps a build quirk, or a bug 
>> in the assembly code. If so then we'd have to revert this, and 
>> reintroduce another regression, caused by EFI commit 
>> f23cf8bd5c1f49 in this merge window. The most recent commit is 
>> easy to revert, the older one not.
>> 
>> If it's 47226ad4f4cf then we'd reintroduce the regression caused 
>> by 4bf7111f501 in the previous merge window. They both revert 
>> cleanly after each other - but it might be safer to just revert 
>> the most recent one.
>>
>> My guess is that your regression is caused by 47226ad4f4cf.
>
>Wrong sha1: my guess is on 9cb0e394234d, the GOT fixup.
>
>Thanks,
>
>       Ingo

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