Re: frequent lockups in 3.18rc4

From: Thomas Gleixner
Date: Fri Nov 21 2014 - 15:17:07 EST

On Fri, 21 Nov 2014, Linus Torvalds wrote:

> On Fri, Nov 21, 2014 at 11:51 AM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> >
> > This will break paravirt. set_pgd/set_pmd are paravirt functions.
> I suspect we could use "set_pgd()" here instead of the direct access.
> I didn't want to walk through all the levels to see exactly which
> random op I needed to use.

I don't think that works on 32bit. See the magic in



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