On Mon, Jan 11, 2016 at 8:03 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> So my argument is really that I think it would be better to at least
> look into maybe creating something less crapulent, and striving to
> make it easy to make the old legacy interfaces be just wrappers around
> a more capable model.
Hmm. Thinking more about this makes me worry about all the system call
versioning and extra work done by libc.
At least glibc has traditionally decided to munge and extend on kernel
system call interfaces, to the point where even fairly core data
structures (like "struct stat") may not always look the same to the
kernel as they do to user space.
So with that worry, I have to admit that maybe a limited interface -
rather than allowing arbitrary generic async system calls - might have
advantages. Less room for mismatches.
I'll have to think about this some more.
Linus
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