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SUSE:SLE-15-SP5:GA
xen.17121
5d948bdb-IOMMU-add-missing-HVM-check.patch
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File 5d948bdb-IOMMU-add-missing-HVM-check.patch of Package xen.17121
# Commit 41fd1009cd7416b73d745a77c24b4e8d1a296fe6 # Date 2019-10-02 13:36:59 +0200 # Author Jan Beulich <jbeulich@suse.com> # Committer Jan Beulich <jbeulich@suse.com> IOMMU: add missing HVM check Fix an unguarded d->arch.hvm access in assign_device(). Signed-off-by: Jan Beulich <jbeulich@suse.com> Reviewed-by: Roger Pau Monné <roger.pau@citrix.com> Acked-by: Andrew Cooper <andrew.cooper3@citrix.com> --- a/xen/drivers/passthrough/pci.c +++ b/xen/drivers/passthrough/pci.c @@ -1386,7 +1386,8 @@ static int assign_device(struct domain * /* Prevent device assign if mem paging or mem sharing have been * enabled for this domain */ if ( unlikely(!need_iommu(d) && - (d->arch.hvm_domain.mem_sharing_enabled || + ((is_hvm_domain(d) && + d->arch.hvm_domain.mem_sharing_enabled) || vm_event_check_ring(d->vm_event_paging) || p2m_get_hostp2m(d)->global_logdirty)) ) return -EXDEV;
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