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Re: [Xen-devel] L1[0x1fb] = 0000000000000000 which faults on one type of

To: "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-devel] L1[0x1fb] = 0000000000000000 which faults on one type of machine but on another works?
From: "Jan Beulich" <JBeulich@xxxxxxxxxx>
Date: Thu, 17 Mar 2011 16:12:48 +0000
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, andrew.thomas@xxxxxxxxxx, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, keir.xen@xxxxxxxxx, swente@xxxxxxxxxxxxx, gianni.tedesco@xxxxxxxxxx
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>>> On 17.03.11 at 16:52, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:
> 2.6.38 fixes this by allowing in acpi_register_lapic_address, the
> the set_fixmap_nocache(FIX_APIC_BASE, address) to be called and we
> can provide it with a dummy page and native_apic_read can happily
> read from that fake page.

I wonder whether that's going to be appropriate in cases...

Jan


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