Re: [PATCH-tip v2 00/12] locking/rwsem: Rwsem rearchitecture part 2

2019-04-10 Thread Waiman Long
On 04/10/2019 06:00 AM, Ingo Molnar wrote: > * Waiman Long wrote: > >># of Threads Before Patch After Patch >> --- >> 21,179 9,436 >> 41,505 8,268 >> 8 721

Re: [PATCH-tip v2 00/12] locking/rwsem: Rwsem rearchitecture part 2

2019-04-10 Thread Ingo Molnar
* Waiman Long wrote: ># of Threads Before Patch After Patch > --- > 21,179 9,436 > 41,505 8,268 > 8 721 7,041 >16 575

Re: [PATCH-tip v2 00/12] locking/rwsem: Rwsem rearchitecture part 2

2019-04-05 Thread Linus Torvalds
On Fri, Apr 5, 2019 at 9:22 AM Waiman Long wrote: > > v2: > - Move the negative reader count checking patch (patch 12->10) > forward to before the merge owner to count patch as suggested by > Linus & expand the comment. All looks good to me now. I didn't apply and _test_ any of the pa

[PATCH-tip v2 00/12] locking/rwsem: Rwsem rearchitecture part 2

2019-04-05 Thread Waiman Long
v2: - Move the negative reader count checking patch (patch 12->10) forward to before the merge owner to count patch as suggested by Linus & expand the comment. - Change the reader-owned rwsem spinning from count based to time based to have better control of the max time allowed. T