Re: [PATCH v5 3/3] misc/pvpanic: add PCI driver

[Mihai Carabas]

La 16.03.2021 19:29, Greg KH a scris:
> On Tue, Mar 16, 2021 at 07:08:38PM +0200, Mihai Carabas wrote:
> > ..snip..
> > > > +};
> > > > +static unsigned int capability = PVPANIC_PANICKED | PVPANIC_CRASH_LOADED;
> > > > +static unsigned int events;
> > > > +
> > > > +static ssize_t capability_show(struct device *dev,
> > > > +			       struct device_attribute *attr, char *buf)
> > > > +{
> > > > +	return sysfs_emit(buf, "%x\n", capability);
> > > A global capability for all devices?  No, this needs to be a per-device
> > > attttribute as you are showing it to userspace as such.
> > We can only have a pvpanic-pci device. This is necessary in that case?
> Why would it not be?  Why constrain yourself to something that someone
> will only have to fix sometime in the future?

Agree. But why this got in in Jan2021 for pvpanic-mmio.c (ex. pvpanic.c) 
like this :)?