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Re: vm.ubc_direct

On Tue, Dec 03, 2019 at 09:58:39AM -0800, Chuck Silvers wrote:

> The current ubc_direct code still has the problem that I pointed out originally,
> which is that it deadlocks if you read() or write() a page of a file into
> a mapping of itself.  We should not enable this by default until that problem
> is fixed.

I didn't know about that.  Agree enabling it would be a bad idea then.


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