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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
    aswell.

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