Hi Will, On 2021/1/6 3:04, Will Deacon wrote:
On Thu, Dec 31, 2020 at 08:53:21AM +0800, Lu Baolu wrote:With commit c588072bba6b5 ("iommu/vt-d: Convert intel iommu driver to the iommu ops"), the trace events for dma map/unmap have no users any more. Remove them so that they don't show up under /sys/kernel/debug/tracing/events/intel_iommu. The users should use the map/unmap traces defined in the iommu core from now on.Fixes: c588072bba6b5 ("iommu/vt-d: Convert intel iommu driver to the iommu ops") Signed-off-by: Lu Baolu <[email protected]> --- include/trace/events/intel_iommu.h | 119 ----------------------------- 1 file changed, 119 deletions(-)Is this needed in 5.11, or can it wait until 5.12?
It's necessary for 5.11 as far as I can see. Without this, users still see the events under /sys/kernel/debug/tracing/events/intel_iommu, but they will get nothing traced even they enable the events.
Will
Best regards, baolu
