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SubjectRe: crash in entry.S restore_all, 2.6.12-rc2, x86, PAGEALLOC
On Thu, Apr 07, 2005 at 07:47:41AM -0700, Linus Torvalds wrote:

> So the sysenter sequence might as well look like
> pushl $(__USER_DS)
> pushl %ebp
> sti
> pushfl
> ..
> which actually does three protected pushes thanks to the one-instruction
> "interrupt shadow" after an sti.

Is this guaranteed on every x86 variant (or rather, every one
that has SEP). ?


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