Re: New DRM driver model - gets rid of DRM() macros!

[Christoph Hellwig]

On Wed, Sep 29, 2004 at 02:29:24PM +0100, Keith Whitwell wrote:
> Christoph Hellwig wrote:
> 
> >  - drm_flush is a noop.  a NULL ->flush does the same thing, just easier
> >  - dito or ->poll
> >  - dito for ->read
> 
> Pretty sure you couldn't get away with null for these in 2.4, at least.

Umm, of course you could.  There's only a hanfull instance defining a
->flush at all.  Similarly all file_ops for regular files and many char
devices don't have ->poll.  no ->read is pretty rare but 2.4 chæcks it
aswell.

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