[Xen-devel] Re: [PATCH][RFC] Emulating real mode with x86_emulate

[Andi Kleen <andi@xxxxxxxxxxxxxx>]

> There are some hard problems with migrating into QEMU.  Namely, the code 
> that QEMU generates isn't SMP safe (atomic instructions lose their 
> atomicity)

I see.

You're worrying that real mode startup trampolines of OS rely 
on atomic instructions?  I can't think of much other possible real mode
multi CPU code.

-Andi

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