[PATCH v5 05/11] arm-cci PMU: Delay counter writes to pmu_enable

Suzuki K. Poulose Suzuki.Poulose at arm.com
Mon Jan 11 10:12:34 PST 2016


On 11/01/16 11:24, Mark Rutland wrote:
> On Mon, Jan 11, 2016 at 11:08:27AM +0000, Suzuki K. Poulose wrote:
>> On 11/01/16 10:46, Mark Rutland wrote:
>>> On Tue, Jan 05, 2016 at 09:59:13AM +0000, Suzuki K. Poulose wrote:
>>>> On 04/01/16 19:24, Mark Rutland wrote:
>> Hence, didn't want to change it for CCI. We could use the batching
>> logic, if decide to do so. I can go ahead with that if there are no
>> other side effects with that.
>
> We'll lose events regardless as our RMW sequence will race against the
> counters. Batching will make that window slightly larger, but other than
> that I don't see a problem.

OK, will do that.

Cheers
Suzuki




More information about the linux-arm-kernel mailing list