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Re: revivesa status 2008/07/09
On Fri, Jul 11, 2008 at 02:04:16PM +0100, David Brownlee wrote:
> On Fri, 11 Jul 2008, Andrew Doran wrote:
> >In its current form SA threading is a regressive proposition. Even if all
> >the remaining issues are addressed, what benefits would it bring over and
> >above 1:1 threading?
> As I understand it there are two factors in favour of keeping SA:
> - There was a report of a significant performance gain on single
> core embedded arm32
I have heard similar stories put about but I have not seen any test cases
posted. Without evidence I find it difficult to classify them as anything
other than myth based on myth.
> - If we keep SA for 5.0 it allows people to run a 4.0 userland
> on a 5.0 kernel while upgrading (and makes COMPAT_40 useful).
That's not something that we support. Admittedly there is no public
statement to that effect, as far as I am aware.
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