Re: [PATCH] fix pgd_lock deadlock

[Andrea Arcangeli]

On Tue, Feb 22, 2011 at 02:22:53PM +0000, Jan Beulich wrote:
> If everyone's okay with putting a couple of "if (xen_pv_domain())"
> into mm/fault.c - sure. I would have thought that this wouldn't be
> liked, hence the suggestion to make this depend on seeing the
> backlink be non-NULL.

I prefer the if (xen_pv_domain) so it also gets optimized away
at build time when CONFIG_XEN=n. I think it's also more self
explanatory to read.
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