On Thu, Sep 07, 2017 at 02:33:49PM +0200, Greg KH wrote:
> On Thu, Sep 07, 2017 at 01:57:42PM +0300, Cihangir Akturk wrote:
> > Unlocking a spin lock and then immediately locking without doing
> > anything useful in between buys us nothing, except wasting CPU cycles.
>
> Not always, it can be a "g
On Thu, Sep 07, 2017 at 01:57:42PM +0300, Cihangir Akturk wrote:
> Unlocking a spin lock and then immediately locking without doing
> anything useful in between buys us nothing, except wasting CPU cycles.
Not always, it can be a "gate" for other users of the lock.
Are you sure that is not what is