On Fri, Nov 10, 2017 at 05:01:42PM +0530, Devesh Sharma wrote: > > And the the kernel version of this should be using READ_ONCE() > > Okay, we will fix this in our driver. So, READ_ONCE(CQE.valid) should > be enough right? Yes, I think so. > > In user space we should probably create a > > > > udma_from_device_read_once(x) > > > > That incorporates the barrier and the 'access_once' semantics.. > > Do you want us to pull all the defined in kernel space compiler.h > verbitum to rdma-core No.. kernel is using a quite different approach. We would want to use C11 atomic_read in user space for most architectures. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
