On 2014/12/17 14:08, ratheesh kannoth wrote: > On Wed, Dec 17, 2014 at 11:20 AM, Yijing Wang <wangyijing@xxxxxxxxxx> wrote: >> If the device 06:0.0 was removed by "echo 1 > /sys/.../0000:6:0.0/remove", >> you could not see lspci info for this device anymore. >> Do you really remove the device ? > > Oh , my bad. I did not remove the device. I did an unbind > > echo -n "0000:06:00.0" > /sys/bus/pci/drivers/enic/unbind0 > > Unbind wont remove it from /proc/iomem ? I thought enic pci driver is > the one is calling ioremap on those memory ? Unbind won't release PCI device bar resource, resources in /proc/iomem is the physical address resource(added by request_resource()), if you iounmap the bar resource, it won't change anything in /proc/iomem. > > Thanks, > Ratheesh > > -- Thanks! Yijing -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html