On Thu, 2018-01-11 at 17:36 +, Andrew Cooper wrote:
> It is generally worth doing a read to conditionally avoid a locked
> RMW,
> in the case that you expect the locked RMW to be unnecessary (i.e.
> the
> modification is already present).
>
> The same is not true for plain memory reads and
On Thu, 2018-01-11 at 16:50 +, George Dunlap wrote:
> On 01/11/2018 04:48 PM, Andrew Cooper wrote:
> > Signed-off-by: Andrew Cooper
> > ---
> > CC: George Dunlap
> > CC: Dario Faggioli
> >
> > Notices by chance
On 01/11/2018 04:48 PM, Andrew Cooper wrote:
> Signed-off-by: Andrew Cooper
> ---
> CC: George Dunlap
> CC: Dario Faggioli
>
> Notices by chance while inspecting the disassembly delta for "x86/bitops:
> Introduce