Re: [PATCH v3 01/11] xen/manage: keep track of the on-going suspend mode

[Anchal Agarwal <anchalag@amazon.com>]

On Tue, Sep 22, 2020 at 11:17:36PM +0000, Anchal Agarwal wrote:
> On Tue, Sep 22, 2020 at 12:18:05PM -0400, boris.ostrovsky@oracle.com wrote:
> > CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you can confirm the sender and know the content is safe.
> > 
> > 
> > 
> > On 9/21/20 5:54 PM, Anchal Agarwal wrote:
> > > Thanks for the above suggestion. You are right I didn't find a way to declare
> > > a global state either. I just broke the above check in 2 so that once we have
> > > support for ARM we should be able to remove aarch64 condition easily. Let me
> > > know if I am missing nay corner cases with this one.
> > >
> > > static int xen_pm_notifier(struct notifier_block *notifier,
> > >       unsigned long pm_event, void *unused)
> > > {
> > >     int ret = NOTIFY_OK;
> > >     if (!xen_hvm_domain() || xen_initial_domain())
> > >       ret = NOTIFY_BAD;
> > >     if(IS_ENABLED(CONFIG_ARM64) && (pm_event == PM_SUSPEND_PREPARE || pm_event == HIBERNATION_PREPARE))
> > >       ret = NOTIFY_BAD;
> > >
> > >     return ret;
> > > }
> > 
> > 
> > 
> > This will allow PM suspend to proceed on x86.
> Right!! Missed it.
> Also, wrt KASLR stuff, that issue is still seen sometimes but I haven't had
> bandwidth to dive deep into the issue and fix it. I seem to have lost your email
> in my inbox hence covering the question here.
> > 
> >
Can I add your Reviewed-by or Signed-off-by to it?
> > -boris
> > 
>
-Anchal