Re: [Xen-devel] [PATCH] xen/domctl: lower loglevel of XEN_DOMCTL_memory_mapping

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 09.09.15 at 16:50, <konrad.wilk@xxxxxxxxxx> wrote:
> On Wed, Sep 09, 2015 at 08:33:52AM -0600, Jan Beulich wrote:
>> >>> On 09.09.15 at 16:20, <konrad.wilk@xxxxxxxxxx> wrote:
>> > Perhaps the solution is remove the first printk(s) and just have them
>> > once the operation has completed? That may fix the outstanding tasklet
>> > problem?
>> 
>> Considering that this is a tool stack based retry, how would the
>> hypervisor know when the _whole_ operation is done?
> 
> I was merely thinking of moving the printk _after_ the map_mmio_regions
> so there wouldn't be any outstanding preemption points in map_mmio_regions
> (so it can at least do the 64 PFNs).

But there are no preemption points. That's why you needed to use
tool stack based retries in the first place.

Jan


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