Messages in this thread | | | Date | Fri, 17 Jun 2016 18:00:52 -0500 | From | Bjorn Helgaas <> | Subject | Re: [PATCH 2/2] vmd: use untracked irq handler |
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On Fri, Jun 17, 2016 at 04:00:21PM -0600, Keith Busch wrote: > There is no way to know which device in a VMD tiggered an interrupt
s/tiggered/triggered/
> without invoking every registered driver's actions. This uses the > untracked irq handler so that a less used device does not trigger > spurious interrupt. > > We have been previously recommending users enable "noirqdebug", but do > not want to force a system setting just to keep this domain functional.
I applaud that goal.
> Signed-off-by: Keith Busch <keith.busch@intel.com>
Since this depends on the previous patch and I'm not qualified to review that one, I'll ack this and somebody else can merge both or none:
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
> --- > arch/x86/pci/vmd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/pci/vmd.c b/arch/x86/pci/vmd.c > index 7792aba..613cac7 100644 > --- a/arch/x86/pci/vmd.c > +++ b/arch/x86/pci/vmd.c > @@ -195,7 +195,7 @@ static int vmd_msi_init(struct irq_domain *domain, struct msi_domain_info *info, > vmdirq->virq = virq; > > irq_domain_set_info(domain, virq, vmdirq->irq->vmd_vector, info->chip, > - vmdirq, handle_simple_irq, vmd, NULL); > + vmdirq, handle_untracked_irq, vmd, NULL); > return 0; > } > > -- > 2.7.2 >
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