On 13/02/2020 11:32, Roger Pau Monne wrote: > Hello, > > The main aim of this series is to reduce the pressure around > cpu_add_remove_lock by converting it into a rw lock. Most users of the > lock want to take it in read mode, as they only care about the maps not > changing. > > Patch #2 makes the writers take the lock in blocking mode, this is > mainly done to reduce the failure of the CPU plug/unplug operations, > since the lock is more contended now and trylock can easily fail if > there are readers.
Seems like a very sensible move. Both patches Acked-by: Andrew Cooper <andrew.coop...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
