| Message ID | 1360351703-20571-9-git-send-email-yinghai@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On 02/08/2013 02:28 PM, Yinghai Lu wrote: > iommu irq's irq_desc should be on local node ram. > > Fix the return value checking problem. > > create_irq() will return -1 when fail to allocate. > create_irq_nr() will return 0 when fail to allocate. > > here only check !irq, so need to change it to use create_irq_nr instead. > > Signed-off-by: Yinghai Lu<yinghai@kernel.org> > Cc: Joerg Roedel<joro@8bytes.org> > Cc: Donald Dutile<ddutile@redhat.com> > --- > drivers/iommu/dmar.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c > index 174bb65..316b5a2 100644 > --- a/drivers/iommu/dmar.c > +++ b/drivers/iommu/dmar.c > @@ -1263,7 +1263,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu) > if (iommu->irq) > return 0; > > - irq = create_irq(); > + irq = create_irq_nr(0, iommu->node); > if (!irq) { > pr_err("IOMMU: no free vectors\n"); > return -EINVAL; Good catch! you can add my ack to it. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Fri, Feb 8, 2013 at 12:45 PM, Don Dutile <ddutile@redhat.com> wrote: > On 02/08/2013 02:28 PM, Yinghai Lu wrote: >> >> iommu irq's irq_desc should be on local node ram. >> >> Fix the return value checking problem. >> >> create_irq() will return -1 when fail to allocate. >> create_irq_nr() will return 0 when fail to allocate. >> >> here only check !irq, so need to change it to use create_irq_nr instead. >> >> Signed-off-by: Yinghai Lu<yinghai@kernel.org> >> Cc: Joerg Roedel<joro@8bytes.org> >> Cc: Donald Dutile<ddutile@redhat.com> >> --- >> drivers/iommu/dmar.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c >> index 174bb65..316b5a2 100644 >> --- a/drivers/iommu/dmar.c >> +++ b/drivers/iommu/dmar.c >> @@ -1263,7 +1263,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu) >> if (iommu->irq) >> return 0; >> >> - irq = create_irq(); >> + irq = create_irq_nr(0, iommu->node); >> if (!irq) { >> pr_err("IOMMU: no free vectors\n"); >> return -EINVAL; > > Good catch! > > you can add my ack to it. > Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 174bb65..316b5a2 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1263,7 +1263,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu) if (iommu->irq) return 0; - irq = create_irq(); + irq = create_irq_nr(0, iommu->node); if (!irq) { pr_err("IOMMU: no free vectors\n"); return -EINVAL;
iommu irq's irq_desc should be on local node ram. Fix the return value checking problem. create_irq() will return -1 when fail to allocate. create_irq_nr() will return 0 when fail to allocate. here only check !irq, so need to change it to use create_irq_nr instead. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Joerg Roedel <joro@8bytes.org> Cc: Donald Dutile <ddutile@redhat.com> --- drivers/iommu/dmar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)