Re: [patch 1/1] make PROT_WRITE imply PROT_READ

Paul Mackerras
2006-09-18T02:04:00Z

Chris Wedgwood writes:

> Are there a lot of these applications and does it break badly? Do you
> know which ones they are?
>
> It's not an intuitive change and as the current behavior isn't
> entirely consistent and (presumably) these applications work, so is
> this change really needed?

I think the problem is that these applications break randomly,
depending on exactly when page faults happen, and these patches make
the behaviour consistent and deterministic.

Paul.