On Mon, 18 Mar 2019, Matthew Wilcox wrote: > Remove the usb_bus_idr_lock as it doesn't appear to be protecting > anything more than the built-in XArray lock does. > > Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxx> > --- > drivers/usb/core/devices.c | 10 +++------ > drivers/usb/core/hcd.c | 40 ++++++++------------------------- > drivers/usb/core/usb.c | 1 - > drivers/usb/host/r8a66597-hcd.c | 4 +--- > drivers/usb/mon/mon_main.c | 7 +++--- > include/linux/usb/hcd.h | 3 +-- > 6 files changed, 17 insertions(+), 48 deletions(-) This certainly looks correct, but I haven't tested it. If you get the same data in /sys/kernel/debug/usb/devices with the patch and without it, feel free to add: Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Alan Stern
