Re: Is: x86: mm: Fix vmalloc_fault oops during lazy MMU updates Was:Re: [PATCH] mm/x86: Flush lazy MMU when DEBUG_PAGEALLOC is set

[Boris Ostrovsky]

On 02/28/2013 11:22 AM, Borislav Petkov wrote:
> On Thu, Feb 28, 2013 at 11:20:20AM -0500, Boris Ostrovsky wrote:
> > On 02/28/2013 11:10 AM, Borislav Petkov wrote:
> > > On Thu, Feb 28, 2013 at 07:53:44AM -0800, H. Peter Anvin wrote:
> > > > At the very least we should have an early filter for the **COMMON!**
> > > > case that we are not on a PV platform.
> > > ... or, patch it out with the alternatives on baremetal, as Steven
> > > suggested.

What was the suggestion exactly? I don't remember seeing that message.

-boris

> > >
> > I think making a check for paravirt_enabled() is safe enough. I'll
> > send a patch shortly.
> Why not make it absolutely for free?

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