On Tue, 2018-02-13 at 17:38 +, Dmitry Safonov wrote:
> On Tue, 2018-02-13 at 17:35 +0100, Joerg Roedel wrote:
> > On Mon, Feb 12, 2018 at 04:48:23PM +, Dmitry Safonov wrote:
> > > dmar_fault() reports/handles/cleans DMAR faults in a cycle one-
> > > by-
> > > one.
> > > The nuisance is that
On Tue, 2018-02-13 at 17:35 +0100, Joerg Roedel wrote:
> On Mon, Feb 12, 2018 at 04:48:23PM +, Dmitry Safonov wrote:
> > dmar_fault() reports/handles/cleans DMAR faults in a cycle one-by-
> > one.
> > The nuisance is that it's set as a irq handler and runs with
> > disabled
> > interrupts - whi
On Mon, Feb 12, 2018 at 04:48:23PM +, Dmitry Safonov wrote:
> dmar_fault() reports/handles/cleans DMAR faults in a cycle one-by-one.
> The nuisance is that it's set as a irq handler and runs with disabled
> interrupts - which works OK if you have only a couple of DMAR faults,
> but becomes a pr
dmar_fault() reports/handles/cleans DMAR faults in a cycle one-by-one.
The nuisance is that it's set as a irq handler and runs with disabled
interrupts - which works OK if you have only a couple of DMAR faults,
but becomes a problem if your intel iommu has a plenty of mappings.
We have a test that
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