Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait

[Linus Torvalds]

On Wed, 7 Feb 2001, Ingo Molnar wrote:
> 
> most likely some coding error on your side. buffer-size mismatches should
> show up as filesystem corruption or random DMA scribble, not in-driver
> oopses.

I'm not sure. If I was a driver writer (and I'm happy those days are
mostly behind me ;), I would not be totally dis-inclined to check for
various limits and things.

There can be hardware out there that simply has trouble with non-native
alignment, ie be unhappy about getting a 1kB request that is aligned in
memory at a 512-byte boundary. So there are real reasons why drivers might
need updating. Don't dismiss the concerns out-of-hand.

                Linus

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