On Wed, Dec 30, 2020 at 3:02 PM Borislav Petkov <b...@alien8.de> wrote: > > On Wed, Dec 23, 2020 at 02:24:12PM +0800, Zhenzhong Duan wrote: > > check_iommu_entries() checks for cyclic dependency in iommu entries > > and fixes the cyclic dependency by setting x->depend to NULL. But > > this repairing isn't correct if q is in front of p, there will be > > "EXECUTION ORDER INVALID!" report following. Fix it by NULLing > > whichever in the front. > > When does "q is in front of p" happen? How does it happen?
Sorry, just realized it never happen. > > > The second issue is about the report of exectuion order reverse, > > the order is reversed incorrectly in the report, fix it. > > I have no clue what that means. I mean if p depends on q, then q->detect should be called before p->detect. The message generated by printk() is wrong. Regards Zhenzhong _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu