Re: [PATCH v5 0/5] mm: introduce memfd_secret system call to create "secret" memory areas
From: Mike Rapoport <rppt@kernel.org>
Date: 2020-09-17 06:10:42
Also in:
linux-arch, linux-arm-kernel, linux-fsdevel, linux-mm, linux-riscv, lkml, nvdimm
On Thu, Sep 17, 2020 at 07:46:12AM +0200, Michael Kerrisk (man-pages) wrote:
On Thu, 17 Sep 2020 at 01:20, Andrew Morton [off-list ref] wrote:quoted
On Wed, 16 Sep 2020 10:35:34 +0300 Mike Rapoport [off-list ref] wrote:quoted
This is an implementation of "secret" mappings backed by a file descriptor. I've dropped the boot time reservation patch for now as it is not strictly required for the basic usage and can be easily added later either with or without CMA.It seems early days for this, especially as regards reviewer buyin. But I'll toss it in there to get it some additional testing. A test suite in tools/testging/selftests/ would be helpful, especially for arch maintainers. I assume that user-facing manpage alterations are planned?
I was just about to write a mail into this thread when I saw this :-). So far, I don't think I saw a manual page patch. Mike, how about it?
It is planned :) I have a draft, but I'm waiting for consensus about the uncached mappings before sending it out. -- Sincerely yours, Mike.