Re: [RFC PATCH rdma-next 08/10] RDMA/rxe: Implement flush execution in responder side

[Jason Gunthorpe]

On Tue, Dec 28, 2021 at 04:07:15PM +0800, Li Zhijian wrote:
> +	while (length > 0) {
> +		va	= (u8 *)(uintptr_t)buf->addr + offset;
> +		bytes	= buf->size - offset;
> +
> +		if (bytes > length)
> +			bytes = length;
> +
> +		arch_wb_cache_pmem(va, bytes);

So why did we need to check that the va was pmem to call this?

Jason