Re: [PATCH] x86/uaccess: Use pointer masking to limit uaccess speculation

[Christoph Hellwig]

On Wed, Sep 02, 2020 at 06:23:30PM +0100, Mark Rutland wrote:
> I've pushed an initial/incomplete/WIP stab (just the kernel accessors)
> to:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/log/?h=arm64/set_fs-removal

Thanks!

> ... and doing that made it clear that the necessary arm64 rework is a
> bit more fractal than I thought (e.g. SDEI bits), so it might be a short
> while before I post a series.

SDEI is just forcing back a KERNEL_DS to a normal USER_DS, isn't it?

> 
> It might be handy to have a stable branch with the common bits so that
> the arm64 rework could go via the arm64 tree in case there's any
> fallout.

The series will need at least one more repost, but hopefully I'll have
s stable branch soon.