Russell King wrote:

On Thu, Dec 03, 2015 at 09:37:51PM +0000, Peter Rosin wrote:

quoted

I took both patches for a quick spin (a dozen boots and one hour uptime
after that for each patch) and no incidents. I have not gathered data,
but the crash on boot feels like it's quite a bit above 50% when there
is a problem so this feels good (I used 5 clean reboots when I bisected
and that worked).

Reported-by: Peter Rosin <redacted>
Tested-by: Peter Rosin <redacted>

(and please don't forget to cc stable)

I've decided to do a more in-depth fix, so that we also solve the issue
that when we schedule in these down_read()s, we don't leak the permissive
domain register setting into the switched-to context.

Can you test this patch please?  Thanks.

Still looking good.

Cheers,
Peter