Re: [PATCH 2/5] vfio/spapr_tce: use pinned_vm instead of locked_vm to account pinned pages

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

 



On Tue, 12 Feb 2019, Alexey Kardashevskiy wrote:

> Now it is 3 independent accesses (actually 4 but the last one is
> diagnostic) with no locking around them. Why do not we need a lock
> anymore precisely? Thanks,

Updating a regular counter is racy and requires a lock. It was converted
to be an atomic which can be incremented without a race.



[Index of Archives]     [LM Sensors]     [Linux Sound]     [ALSA Users]     [ALSA Devel]     [Linux Audio Users]     [Linux Media]     [Kernel]     [Gimp]     [Yosemite News]     [Linux Media]

  Powered by Linux