Re: [PATCH] Use correct byte-sized register constraint in __xchg_op()

[Josh Boyer]

On Mon, Apr 2, 2012 at 7:15 PM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> 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 <jeremy@xxxxxxxx>
> Reported-by: Leigh Scott <leigh123linux@xxxxxxxxxxxxxx>
> Tested-by: Thomas Reitmayr <treitmayr@xxxxxxxxxx>

This should be CC'd to stable, given the bug shows up in 3.3, right?

josh
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