Re: [Qemu-devel] [PATCH, RFT] monitor: implement x86 info tlb for PAE and long modes

[Ian Campbell]

On Mon, 2010-12-06 at 18:41 +0000, Blue Swirl wrote:
> On Mon, Dec 6, 2010 at 1:05 PM, Ian Campbell <address@hidden> wrote:
> > On Mon, 2010-12-06 at 12:12 +0100, Alexander Graf wrote:
> >> On 05.12.2010, at 17:25, Blue Swirl wrote:
> >>
> >> > 'info tlb' didn't show correct information for PAE mode and
> >> > x86_64 long mode.
> >> >
> >> > Implement the missing modes. Also print NX bit for PAE and long modes.
> >> > Fix off-by-one error in 32 bit mode mask.
> >> >
> >> > Signed-off-by: Blue Swirl <address@hidden>
> >> > ---
> >> >
> >> > I didn't find an OS that enabled PAE, please test and report.
> >>
> >> Xen does. Just take a random recent xen kernel and run it with -kernel :).
> >
> > In addition AFAIK recent 32 bit Fedora is PAE enabled by default (so is
> > RHEL6?). Debian also supplies a -686-bigmem kernel flavour which is
> > their name for PAE enabled.
> 
> At least Fedora 14 installation CD kernel does not enable PAE with 5G
> of memory (enabled for i386 by adjusting target_phys_bits in
> configure).

Hm, seems like I was mistaken and it was just RHEL6 which changed the
default.

FWIW Fedora-14-i386-DVD.iso contains /images/pxeboot/vmlinuz-PAE and
initrd-PAE.img which might be useful to you, see also
http://download.fedora.redhat.com/pub/fedora/linux/releases/14/Fedora/i386/os/images/pxeboot/
 .

Ian.

-- 
Ian Campbell
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