Hi, Peter, On Wed, Sep 22, 2021 at 11:07:22PM +0200, Peter Zijlstra wrote: > On Mon, Sep 20, 2021 at 07:23:45PM +0000, Fenghua Yu wrote: > > > > + if (user_mode(regs) && fixup_pasid_exception()) > > + goto exit; > > + > > if (static_cpu_has(X86_FEATURE_UMIP)) { > > if (user_mode(regs) && fixup_umip_exception(regs)) > > goto exit; > > So you're eating any random #GP that might or might not be PASID > related. And all that witout a comment... Enlighten?
I will add a comment here. Thanks. -Fenghua _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu