On Mon, 29 Mar 2021 03:14:29 +0000 Honnappa Nagarahalli <honnappa.nagaraha...@arm.com> wrote:
> <snip> > > > Subject: [PATCH v3] pflock: implementation of phase-fair reader writer locks > > > > This is a new type of reader-writer lock that provides better fairness > > guarantees which makes it better for typical DPDK applications. > > They lock internally uses two ticket pools, one for readers and one for > ^^^^ The > > > writers. > > > > Phase fair reader writer locks ensure that neither reader or writer will be > > starved. Neither reader or writer are preferred, they execute in alternating > > phases. All operations of the same time (reader or writer) that try to > > acquire > ^^^^ type > > > the lock are handled in FIFO order. Write operations are exclusive, and > > multiple read operations can be run together (until a write arrives). > > > > A similar implementation is in Concurrency Kit package in FreeBSD. > > For more information see: > > "Reader-Writer Synchronization for Shared-Memory Multiprocessor > > Real-Time Systems", > > http://www.cs.unc.edu/~anderson/papers/ecrts09b.pdf > > > > Signed-off-by: Stephen Hemminger <step...@networkplumber.org> Any more comments? Other than the typos in the commit log...
