I changed it to the below; I've not gotten around to compiling or even
running it yet :-(
The biggest change is the pv_hash/pv_unhash functions, which I've
rewritten to hopefully be clearer (and also hopefully not wrecked them).
I took out the cacheline sized structure which takes out that
On 05/04/2015 10:20 AM, Peter Zijlstra wrote:
I changed it to the below; I've not gotten around to compiling or even
running it yet :-(
The biggest change is the pv_hash/pv_unhash functions, which I've
rewritten to hopefully be clearer (and also hopefully not wrecked them).
I took out the
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 where those will compile away for the native
case, they expand into special wait/wake code for the pv
