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    SubjectRe: [PATCH] Use X86_EFLAGS_IF in x86-64/irqflags.h.
    On Fri, Mar 30, 2007 at 01:12:23PM +1000, Rusty Russell wrote:
    > On Thu, 2007-03-29 at 14:19 +0200, Andi Kleen wrote:
    > > On Thu, Mar 29, 2007 at 09:06:57PM +1000, Rusty Russell wrote:
    > [SNIP: processor-flags.h patch for i386 ]
    > > Ok. Can you do it for x86-64 too?
    > OK, here it is. Compiles, but -rc5-mm2 doesn't link for me on x86-64 at
    > the moment.

    What's the problem?

    > Something seems quite wrong with CONFIG_X86_VSMP. AFAICT (1 << 18) is
    > the "alignment check" flag, not the "virtual interrupt" flag which I
    > expected.

    They abuse that intentionally as a way to talk to their hypervisor.
    You don't want to know details.

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