Re: [Xen-devel] [PATCH 1/4] xen/common: Replace incorrect mandatory barriers with SMP barriers

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 05.12.16 at 11:05, <andrew.cooper3@xxxxxxxxxx> wrote:
> Mandatory barriers are only for use with reduced-cacheability MMIO mappings.
> 
> All of these uses are just to deal with shared memory between multiple
> processors, so use the smp_*() which are the correct barriers for the 
> purpose.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>


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