> You touched powerpc in the previous patch but not this one.
>
> That's because we use the asm-generic version I assume.
That is correct.
> Would be good to mention in the change log though to avoid any confusion.
I'm not sure how to do that now. It looks like the series has already
been
On Fri, Feb 8, 2019 at 12:31 PM Waiman Long wrote:
>
> > (b) what's the new fastpath case
>
> The only change in the fastpath is the use of cmpxchg for writer lock.
.. since a big deal here was about using the generic atomic accessor
functions, I really was looking forward to seeing the
On 02/08/2019 02:50 PM, Linus Torvalds wrote:
> On Thu, Feb 7, 2019 at 11:08 AM Waiman Long wrote:
>> This patchset revamps the current rwsem-xadd implementation to make
>> it saner and easier to work with. This patchset removes all the
>> architecture specific assembly code and uses generic C
On Thu, Feb 7, 2019 at 11:08 AM Waiman Long wrote:
>
> This patchset revamps the current rwsem-xadd implementation to make
> it saner and easier to work with. This patchset removes all the
> architecture specific assembly code and uses generic C code for all
> architectures. This eases
On 02/07/2019 03:54 PM, Waiman Long wrote:
> On 02/07/2019 03:08 PM, Peter Zijlstra wrote:
>> On Thu, Feb 07, 2019 at 02:07:19PM -0500, Waiman Long wrote:
>>> On 32-bit architectures, there aren't enough bits to hold both.
>>> 64-bit architectures, however, can have enough bits to do that. For
>>>
