Re: [PATCH 11/16] time: optimize tick_check_preferred()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, Aug 06 2022 at 10:30, Thomas Gleixner wrote:
> On Mon, Jul 18 2022 at 12:28, Yury Norov wrote:
>
>> tick_check_preferred() calls cpumask_equal() even if
>> curdev->cpumask == newdev->cpumask. Fix it.
>
> What's to fix here? It's a pointless operation in a slow path and all
> your "fix' is doing is to make the code larger.

In fact cpumask_equal() should have the ptr1 == ptr2 check, so you don't
have to add it all over the place.

Thanks,

        tglx



[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux