"H. Peter Anvin" <hpa at zytor.com> writes: > On 07/29/2010 09:41 PM, Eric W. Biederman wrote: >> >> There isn't a bus master shut off at the core level. When we did >> the original analysis it turned out that the bus mastering bit >> was implemented on a lot of devices in advisory way, so it didn't >> make sense to count on it. >> > > But does it make sense to not flip the bit for the cases where it is > implemented properly? It is probably worth looking into again. I think it was 5+ years ago when that determination was made. >> That said it looks like the code to do the shutdown is in >> qla2x00_remove_one so it should be too hard if someone cared to >> extract just the hardware bits. > > Charming. Code is there, just not hooked up. Using the .remove method in reboot is a fight a lost long ago. Eric
