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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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