on 18/01/2013 13:39 Jimmy Olgeni said the following: > > Hello list, > > At $DAILY_JOB I got involved with an ASI board that didn't have any kind of > FreeBSD support, so I ended up writing a driver for it. > > If you try to ignore the blatant style(9) violations (of which there are many, > hopefully on the way to be cleaned up) it seems to work fine. > > However, I noticed that when loading the driver I always get a > message about the giant lock being used, even if D_NEEDGIANT is not > specified anywhere. > > The actual output when loading is this (FreeBSD 9-STABLE i386): > > dektec0: <DekTec DTA-145> mem 0xfeaff800-0xfeafffff irq 16 at device 13.0 on > pci0 > dektec0: [GIANT-LOCKED] > dektec0: [ITHREAD] > dektec0: board model 145, firmware version 2 (tx: 0, rx: 2), tx fifo 16384 MB > > Source code here: > > https://github.com/olgeni/freebsd-dektec/blob/master/dektec.c > > Can anybody offer a clue about what could be triggering the GIANT > requirement? Could I be doing something that has this, and possibly > other, unintended side effects? >
See INTR_MPSAFE in bus_setup_intr(9). -- Andriy Gapon _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
