On 03/16/2015 09:16 AM, Peter Zijlstra wrote:
Hi Waiman,
As promised; here is the paravirt stuff I did during the trip to BOS last week.
All the !paravirt patches are more or less the same as before (the only real
change is the copyright lines in the first patch).
The paravirt stuff is
On 03/16/2015 09:16 AM, Peter Zijlstra wrote:
Implement simple paravirt support for the qspinlock.
Provide a separate (second) version of the spin_lock_slowpath for
paravirt along with a special unlock path.
The second slowpath is generated by adding a few pv hooks to the
normal slowpath, but
On 03/16/2015 09:16 AM, Peter Zijlstra wrote:
Implement the paravirt qspinlock for x86-kvm.
We use the regular paravirt call patching to switch between:
native_queue_spin_lock_slowpath()__pv_queue_spin_lock_slowpath()
native_queue_spin_unlock() __pv_queue_spin_unlock()
We
