[RFC PATCH v3 00/12] powerpc: "paca->soft_enabled" based local atomic operation implementation
maddy at linux.vnet.ibm.com
Fri Aug 26 11:31:00 AEST 2016
On Thursday 25 August 2016 12:45 PM, Nicholas Piggin wrote:
> On Thu, 25 Aug 2016 11:59:51 +0530
> Madhavan Srinivasan <maddy at linux.vnet.ibm.com> wrote:
>> Local atomic operations are fast and highly reentrant per CPU counters.
>> Used for percpu variable updates. Local atomic operations only guarantee
>> variable modification atomicity wrt the CPU which owns the data and
>> these needs to be executed in a preemption safe way.
> This is looking really nice. I like how you're able to specify
> the mask nicely in the handler, and test the mask without adding
> any instructions to fastpaths.
> So far, I only have a few trivial nitpicks as you can see. I'll
> apply the series and give it a more careful look tomorrow.
Also, just noticed that i broke the Booke build, will fix that and
respin it right away.
Thanks for the review
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