On Tue, 19 Feb 2019, Maciej W. Rozycki wrote: > On Tue, 19 Feb 2019, Arnd Bergmann wrote: > > > We clearly need this patch, but I assumed the alpha maintainers would pick > > it up, not me. I merged the original changes since they were cross-architecture, > > but I don't normally take patches for a particular architecture through the > > asm-generic tree (or the soc tree for that matter). > > As I say, shouldn't the barrier be in `iowriteX' instead? I don't > suppose these are allowed to be weakly ordered. > > Maciej iowriteX is for memory-mapped I/O, out[bwl] is for I/O ports. If someone finds a problem with memory-mapped device, he can add the barier there. Mikulas