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    SubjectRe: [patch 1/2] i386: use asm() like the other atomic operations already do.
    Date
    Andi Kleen <ak@suse.de> wrote:
    >> My config with march=pentium-m and gcc (GCC) 4.1.2 (Gentoo 4.1.2):
    >> text data bss dec hex filename
    >> 3434150 249176 176128 3859454 3ae3fe atomic_normal/vmlinux
    >> 3435308 249176 176128 3860612 3ae884 atomic_inlineasm/vmlinux
    >
    > What is the difference between atomic_normal and atomic_inlineasm?

    The inline asm stops certain optimisations from occuring.

    I'm still unconvinced why we need this because nobody has
    brought up any examples of kernel code that legitimately
    need this.

    Cheers,
    --
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