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    SubjectRe: [PATCH] x86: Make variable_test_bit reference all of *addr
    Memory clobbers are universal producers, not consumers.

    Andi Kleen <> wrote:

    >"" <> writes:
    >> This is concerning... the kernel relies heavily on asm volatile being
    >a universal memory consumer. If that is suddenly broken, we are f***
    >in many, many, MANY places in the kernel all of a sudden!
    >I don't think that's true. We generally add "memory" clobbers for this
    >purpose. asm volatile just means "don't move"
    >Just this one doesn't have it for unknown reasons (someone
    > -- Speaking for myself only

    Sent from my Android phone with K-9 Mail. Please excuse my brevity.

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