Re: [PATCHv5 2/5] pci: Add device disconnected state

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On Mon, Feb 06, 2017 at 09:32:02AM -0800, Christoph Hellwig wrote:
> On Fri, Feb 03, 2017 at 09:53:30PM +0100, Greg Kroah-Hartman wrote:
> > > +/* pci_dev priv_flags */
> > > +#define PCI_DEV_DISCONNECTED 0
> > > +
> > > +static inline int pci_dev_set_disconnected(struct pci_dev *dev, void *unused)
> > > +{
> > > +	set_bit(PCI_DEV_DISCONNECTED, &dev->priv_flags);
> > 
> > Why a single bit?  Are you trying to do this without locking or
> > something?  And if you want a bit, what's wrong with a C bit type?  Or
> > just a boolean?
> 
> What's a C bit type?

Sorry, was thinking of:
	unsigned foo:2;
don't know what the "real" name for that is...

thanks,

greg k-h



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