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    SubjectRe: [PATCH] x86 page fault handler not interrupt safe
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    From
    > On Mon, 7 May 2001, Brian Gerst wrote:
    > >
    > > Keep in mind that regs->eflags could be from user space, and could have
    > > some undesirable flags set. That's why I did a test/sti instead of
    > > reloading eflags. Plus my patch leaves interrupts disabled for the
    > > minimum time possible.
    >
    > The plain "popf" should be ok: the way intel works, you cannot actually
    > use popf to set any of the strange flags (if vm86 mode etc).
    >
    > I like the size of this alternate patch.

    I dont see where the alternative patch ensures the user didnt flip the
    direction flag for one

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