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    SubjectRE: [PATCH v6 07/12] x86/head_32.S: Define start_cpu0
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    I just meant: please check if there are any conflicts .. 

    "Yu, Fenghua" <fenghua.yu@intel.com> wrote:

    >> -----Original Message-----
    >> From: H. Peter Anvin [mailto:hpa@zytor.com]
    >> Sent: Thursday, May 10, 2012 10:31 AM
    >> To: Yu, Fenghua; Ingo Molnar; Thomas Gleixner; Linus Torvalds; Andrew
    >> Morton; Mallick, Asit K; Luck, Tony; Arjan Dan De Ven; Siddha, Suresh
    >B;
    >> Brown, Len; Srivatssa S. Bhat; Randy Dunlap; Chen Gong; linux-kernel;
    >> linux-pm; x86
    >> Subject: Re: [PATCH v6 07/12] x86/head_32.S: Define start_cpu0
    >>
    >> Can you check how this interacts with tip:x86/realmode?
    >
    >When CPU0 is waken up by NMI, it's in protect mode and jumps to
    >start_cpu0() which only sets up stack and goes to initial_code. CPU0
    >wake up doesn't go through trampline and starts from real mode. This is
    >different from waking up AP when AP goes through INIT/STARTUP sequence
    >and starts from real mode.
    >
    >Thanks.
    >
    >-Fenghua

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