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Re: [Xen-devel] Is: x86: mm: Fix vmalloc_fault oops during lazy MMU updates Was: Re: [PATCH] mm/x86: Flush lazy MMU when DEBUG_PAGEALLOC is set
- To: "H. Peter Anvin" <hpa@xxxxxxxxx>
- From: Borislav Petkov <bp@xxxxxxxxx>
- Date: Thu, 28 Feb 2013 17:10:57 +0100
- Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>, jwboyer@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, samu.kallio@xxxxxxxxxxxxxxxxx, kraman@xxxxxxxxxx, tglx@xxxxxxxxxxxxx
- Delivery-date: Thu, 28 Feb 2013 16:11:42 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
- Mail-followup-to: Borislav Petkov <bp@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, mingo@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, samu.kallio@xxxxxxxxxxxxxxxxx, kraman@xxxxxxxxxx, jwboyer@xxxxxxxxxx
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.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
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