On Tue, 2016-15-11 at 04:28:33 UTC, Benjamin Herrenschmidt wrote:
> Commit d3cbff1b5 "powerpc: Put exception configuration in a common place"
> broke the setting of the AIL bit (which enables taking exceptions with
> the MMU still on) on all processors, moving it incorrectly to a function
> called only on the boot CPU. This was correct for the guest case but
> not when running in hypervisor mode.
>
> This fixes it by partially reverting that commit, putting the setting
> back in cpu_ready_for_interrupts()
>
> Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
> Fixes: d3cbff1b5 ("powerpc: Put exception configuration in a common place")
> CC: sta...@vger.kernel.org # v4.8+
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/c0a36013639b06760f7c2c21a8387e
cheers
