Re: [patch v3 30/36] Hexagon: Add page-fault support.

Richard Kuo
2011-09-13T01:34:29Z

On Sun, Sep 11, 2011 at 12:08:49PM -0300, Benjamin Herrenschmidt wrote:
> Are you sure about enabling interrupts before going to "no_context" ?
>
> If somebody does a user access "in atomic" with interrupt disabled (with
> the expectation that a fault would be caught by search_exception_tables
> and returned as -EFAULT), such code probably doesn't expect interrupts
> to be re-enabled implicitely.

I hadn't considered that... I'll review this and make sure this isn't what
we intended (it probably isn't) and get it fixed.

Thanks,
Richard Kuo