On Sat, Apr 04, 2020 at 11:41:01AM +0200, Christoph Hellwig wrote:
> Some architectures like arm64 and s390 require USER_DS to be set for
> kernel threads to access user address space, which is the whole purpose
> of kthread_use_mm, but other like x86 don't. That has lead to a huge
> mess where so
Some architectures like arm64 and s390 require USER_DS to be set for
kernel threads to access user address space, which is the whole purpose
of kthread_use_mm, but other like x86 don't. That has lead to a huge
mess where some callers are fixed up once they are tested on said
architectures, while o