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
