Commit e7df189e authored by Peter Xu's avatar Peter Xu Committed by Michael S. Tsirkin
Browse files

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: default avatarEric Auger <eric.auger@redhat.com>
Signed-off-by: default avatarPeter Xu <peterx@redhat.com>
Message-Id: <20190916080718.3299-5-peterx@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent c6cbc29d

hw/i386/intel_iommu.c

+0 −4
Original line number Diff line number Diff line
@@ -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;