[$] The beginning of the 6.19 merge window

As of this writing, 4,124 non-merge commits have been pulled into themainline repository for the 6.19 kernel development cycle. That is arelatively small fraction of what can be expected this time around, but itcontains quite a bit of significant work, with changes to many core kernelsubsystems. Read on for a summary of the first part of the 6.19 mergewindow.