On 11/20/2013 8:33 AM, Peter Zijlstra wrote:
On Wed, Nov 20, 2013 at 08:24:47AM -0800, Arjan van de Ven wrote:
On 11/20/2013 2:58 AM, Peter Zijlstra wrote:
So pretty silly actually; you cannot do a store (any store) in between
monitor and mwait.
you can
just not to the cacheline you are watching (or things that alias with that)
Ah indeed, the thread_info::status is in the same cacheline.
you told it to wake on any write to that cacheline
and then you write to it ;-)
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
