correct waiman's address.
在 2016/12/6 08:47, Boqun Feng 写道:
On Mon, Dec 05, 2016 at 10:19:21AM -0500, Pan Xinhui wrote:
This patch add basic code to enable qspinlock on powerpc. qspinlock is
one kind of fairlock implementation. And seen some performance improvement
under some scenarios.
queued
On Mon, Dec 05, 2016 at 10:19:21AM -0500, Pan Xinhui wrote:
> This patch add basic code to enable qspinlock on powerpc. qspinlock is
> one kind of fairlock implementation. And seen some performance improvement
> under some scenarios.
>
> queued_spin_unlock() release the lock by just one write of N
This patch add basic code to enable qspinlock on powerpc. qspinlock is
one kind of fairlock implementation. And seen some performance improvement
under some scenarios.
queued_spin_unlock() release the lock by just one write of NULL to the
::locked field which sits at different places in the two en