Re: [Xen-devel] [PATCH 1/3] libxc/xc_domain_resume: Update comment.

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Campbell writes ("Re: [PATCH 1/3] libxc/xc_domain_resume: Update comment."):
> On Mon, 2016-01-25 at 16:06 -0500, Konrad Rzeszutek Wilk wrote:
> > To hopefully clarify what it meant.
...
> > + *  1. (fast=1) Resume with special return code (1) that the guest
> > + *     gets from SCHEDOP_shutdown:SHUTDOWN_suspend.
> 
> "SCHEDOP_shutdown(SHUTDOWN_suspend)" looks more like the function call
> which this in effect is.
> 
> I think I'd say "Resume the guest without resetting the domain environment.
> The guests's call to SCHEDOP_shutdown(SHUTDOWN_suspend) will return 1".
> 
> (assuming that is true re resetting)

I'm not sure that `will return 1' is correct.  IIRC there is some
... unpleasantness here, with something effectively corrupting the
guest state in a way that the guest is supposed to expect and
cooperate with.

I haven't investigated the details recently.  I do remember it being
fiddly.

Ian.

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