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

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