Hi Greg, On 2018/11/22 18:22, Greg Kroah-Hartman wrote: > Please document this memory barrier. It does not make much sense to > me... Because we need to make the other observers noticing the latest values modified in this locking period before unfreezing the whole workgroup, one way is to use a memory barrier and the other way is to use ACQUIRE and RELEASE. we selected the first one. Hmmm...ok, I will add a simple message to explain this, but I think that is plain enough for a lock... Thanks, Gao Xiang > > thanks, > > greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
