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    SubjectRe: [GIT PULL] x86/paravirt for v2.6.33


    On Wed, 9 Dec 2009, H. Peter Anvin wrote:
    >
    > The second argument is in %edx, but unlike 64 bits, it is not loaded
    > into that register a priory ("asmlinkage" means arguments are on the stack.)

    Oh, I missed the fact that we don't actually use asmlinkage on
    sys_iopl() at all on x86-32 for this very reason.

    And on x86-64, I think asmlinkage is a no-op, so that's ok - we should
    just make the prototype be

    long sys_iopl(long level, struct pt_regs *regs);

    and your fancier macros.

    Linus




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