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    SubjectRe: [PATCH] Use correct byte-sized register constraint in __xchg_op()
    On Tue, Apr 3, 2012 at 8:37 PM, Josh Boyer <> wrote:
    > On Mon, Apr 2, 2012 at 7:15 PM, Jeremy Fitzhardinge <> wrote:
    >> x86-64 can access the low half of any register, but i386 can only do
    >> it with a subset of registers.  'r' causes compilation failures on i386,
    >> but 'q' expresses the constraint properly.
    >> Signed-off-by: Jeremy Fitzhardinge <>
    >> Reported-by: Leigh Scott <>
    >> Tested-by: Thomas Reitmayr <>
    > This should be CC'd to stable, given the bug shows up in 3.3, right?

    Er.. this patch seems to have been lost in limbo. Is anyone following
    up on it?

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