Messages in this thread |  | | Date | Tue, 20 Sep 2022 14:26:39 -0600 | | From | Alex Williamson <> | | Subject | Re: [PATCH v3 15/15] vfio: Add struct device to vfio_device |
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On Fri, 9 Sep 2022 18:22:47 +0800 Kevin Tian <kevin.tian@intel.com> wrote:
> From: Yi Liu <yi.l.liu@intel.com> > > and replace kref. With it a 'vfio-dev/vfioX' node is created under the > sysfs path of the parent, indicating the device is bound to a vfio > driver, e.g.: > > /sys/devices/pci0000\:6f/0000\:6f\:01.0/vfio-dev/vfio0 > > It is also a preparatory step toward adding cdev for supporting future > device-oriented uAPI. > > Add Documentation/ABI/testing/sysfs-devices-vfio-dev. > > Also take this chance to rename chardev 'vfio' to 'vfio-group' in > /proc/devices.
What's the risk/reward here, is this just more aesthetically pleasing symmetry vs 'vfio-dev'? The char major number to name association in /proc/devices seems pretty obscure, but what due diligence have we done to make sure this doesn't break anyone? Thanks,
Alex
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