On Fri, Feb 20, 2015 at 09:32:39AM -0800, Arjan van de Ven wrote:
there's a few others as well that I'm chasing down...
.. but the flip side, prior to running ring 3 code, why NOT do fast expedites?
So my objections are twofold:
- I object to fast expedites in principle; they spray IPIs across the
system, so ideally we'd not have them at all, therefore also not at
Because as soon as the option exists, people will use it for other
And esp. in bootup code you can special case a lot of stuff; there's
limited concurrency esp. because userspace it not there yet. So we might
not actually need those sync calls.