On Fri, Jun 28, 2019 at 2:44 PM Christoph Hellwig <h...@infradead.org> wrote: > > On Fri, Jun 28, 2019 at 12:39:52PM +0200, Arnd Bergmann wrote: > > Not all architectures support get_user() with a 64-bit argument: > > Which architectures are still missing? I think we finally need to > get everyone in line instead of repeatedly working around the lack > of minor arch support.
I came across this on arm-nommu (which disables CONFIG_CPU_SPECTRE) during randconfig testing. I don't see an easy way to add this in there, short of rewriting the whole __get_user_err() function. Any suggestions? Arnd