Re: MM deadlock [was: Re: arca-vm-8...]
Savochkin Andrey Vladimirovich (saw@msu.ru)
Sun, 10 Jan 1999 14:56:18 +0300
On Sat, Jan 09, 1999 at 01:50:14PM -0800, Linus Torvalds wrote:
>
>
> On Sat, 9 Jan 1999, Linus Torvalds wrote:
> >
> > The cleanest solution I can think of is actually to allow semaphores to be
> > recursive. I can do that with minimal overhead (just one extra instruction
> > in the non-contention case), so it's not too bad, and I've wanted to do it
> > for certain other things, but it's still a nasty piece of code to mess
> > around with.
> >
> > Oh, well. I don't think I have much choice.
Well, doesn't semaphore recursion mean that the write atomicity
is no more guaranteed by inode's i_sem semaphore?
Best wishes
Andrey V.
Savochkin
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