Re: [PATCH 00/37] fine-grained locking in binder driver

2017-07-17 Thread Greg KH
On Fri, Jun 30, 2017 at 08:04:21AM +0200, Greg KH wrote: > On Thu, Jun 29, 2017 at 12:01:34PM -0700, Todd Kjos wrote: > > The binder driver uses a global mutex to serialize access to state in a > > multi-threaded environment. This global lock has been increasingly > > problematic as Android devices

Re: [PATCH 00/37] fine-grained locking in binder driver

2017-06-29 Thread Greg KH
On Thu, Jun 29, 2017 at 12:01:34PM -0700, Todd Kjos wrote: > The binder driver uses a global mutex to serialize access to state in a > multi-threaded environment. This global lock has been increasingly > problematic as Android devices have scaled to more cores. The problem is > not so much contenti

[PATCH 00/37] fine-grained locking in binder driver

2017-06-29 Thread Todd Kjos
The binder driver uses a global mutex to serialize access to state in a multi-threaded environment. This global lock has been increasingly problematic as Android devices have scaled to more cores. The problem is not so much contention for the global lock which still remains relatively low, but the