Re: [PATCH 1/9 next] mm:process_vm_access Call import_iovec() instead of rw_copy_check_uvector()

From: Christoph Hellwig
Date: Mon Sep 21 2020 - 10:09:43 EST

On Tue, Sep 15, 2020 at 02:55:08PM +0000, David Laight wrote:
> This is the only direct call of rw_copy_check_uvector().
> Removing it lets rw_copy_check_uvector() be inlined into
> import_iovec() and the horrid calling conventions fixed.

This looks sensible, but as-is will create a warning when actually
this code.

This is the variant I picked up as a prep patch for the compat
iovec handling, which passes the relevant LTP tests: