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intel_iommu: Remove the caching-mode check during flag change 

That's never a good place to stop QEMU process... Since now we have
both the machine done sanity check and also the hotplug handler, we
can safely remove this to avoid that.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20190916080718.3299-5-peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Peter Xu 2019-09-16 16:07:18 +08:00 committed by Michael S. Tsirkin
parent c6cbc29d36
commit e7df189e19
1 changed files with 0 additions and 4 deletions
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hw/i386/intel_iommu.c
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@ -2936,10 +2936,6 @@ static void vtd_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu,
VTDAddressSpace *vtd_as = container_of(iommu, VTDAddressSpace, iommu);
IntelIOMMUState *s = vtd_as->iommu_state;
if (!s->caching_mode && new & IOMMU_NOTIFIER_MAP) {
vtd_panic_require_caching_mode();
}
/* Update per-address-space notifier flags */
vtd_as->notifier_flags = new;