On Mon, Apr 08, 2019 at 04:59:24PM -0700, Jacob Pan wrote: > From: Lu Baolu <baolu...@linux.intel.com> > > If Intel IOMMU runs in caching mode, a.k.a. virtual IOMMU, the > IOMMU driver should rely on the emulation software to allocate > and free PASID IDs. The Intel vt-d spec revision 3.0 defines a > register set to support this. This includes a capability register, > a virtual command register and a virtual response register. Refer > to section 10.4.42, 10.4.43, 10.4.44 for more information. > > This patch adds the enlightened PASID allocation/free interfaces > via the virtual command register.
> + pr_debug("vcmd alloc pasid\n"); Perhaps tracepoints should be in use? OTOH we have function tracer, so, this message in any case is a noise. And this is applicable to other similar cases. -- With Best Regards, Andy Shevchenko _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu