On Fri, Oct 02, 2020 at 01:53:58PM +0200, Sebastian Andrzej Siewior wrote: > On 2020-10-02 13:37:25 [+0200], Greg Kroah-Hartman wrote: > > > Is it possible to end up here in softirq context or is this a relic? > > > > I think it's a relic of where USB host controllers completed their urbs > > in hard-irq mode. The BH/tasklet change is a pretty recent change. > > But the BH thingy for HCDs went in v3.12 for EHCI. XHCI was v5.5. My > guess would be that people using orinoco USB are on EHCI :)
USB 3 systems run XHCI, which has a USB 2 controller in it, so these types of things might not have been noticed yet. Who knows :) > > > Should it be removed? > > > > We can move it out to drivers/staging/ and then drop it to see if anyone > > complains that they have the device and is willing to test any changes. > > Not sure moving is easy since it depends on other files in that folder. > USB is one interface next to PCI for instance. Unless you meant to move > the whole driver including all interfaces. > I was suggesting to remove the USB bits. I forgot this was tied into other code, sorry. I don't know what to suggest other than maybe try to fix it up the best that you can, and let's see if anyone notices... thanks, greg k-h
