Messages in this thread | | | Date | Mon, 15 May 2017 16:42:39 +0200 | From | Joerg Roedel <> | Subject | Re: [patch 10/18] iommu/vt-d: Adjust system_state checks |
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On Sun, May 14, 2017 at 08:27:26PM +0200, Thomas Gleixner wrote: > To enable smp_processor_id() and might_sleep() debug checks earlier, it's > required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING. > > Adjust the system_state checks in dmar_parse_one_atsr() and > dmar_iommu_notify_scope_dev() to handle the extra states. > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > Cc: David Woodhouse <dwmw2@infradead.org> > Cc: Joerg Roedel <joro@8bytes.org> > Cc: iommu@lists.linux-foundation.org > --- > drivers/iommu/intel-iommu.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-)
Acked-by: Joerg Roedel <jroedel@suse.de>
> > --- a/drivers/iommu/intel-iommu.c > +++ b/drivers/iommu/intel-iommu.c > @@ -4312,7 +4312,7 @@ int dmar_parse_one_atsr(struct acpi_dmar > struct acpi_dmar_atsr *atsr; > struct dmar_atsr_unit *atsru; > > - if (system_state != SYSTEM_BOOTING && !intel_iommu_enabled) > + if (system_state >= SYSTEM_RUNNING && !intel_iommu_enabled) > return 0; > > atsr = container_of(hdr, struct acpi_dmar_atsr, header); > @@ -4562,7 +4562,7 @@ int dmar_iommu_notify_scope_dev(struct d > struct acpi_dmar_atsr *atsr; > struct acpi_dmar_reserved_memory *rmrr; > > - if (!intel_iommu_enabled && system_state != SYSTEM_BOOTING) > + if (!intel_iommu_enabled && system_state >= SYSTEM_RUNNING) > return 0; > > list_for_each_entry(rmrru, &dmar_rmrr_units, list) { >
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