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[Xen-devel] bimodal PAE and compatibility
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] bimodal PAE and compatibility |
| From: | John Levon <levon@xxxxxxxxxxxxxxxxx> |
| Date: | Mon, 8 Jan 2007 14:49:32 +0000 |
| Delivery-date: | Mon, 08 Jan 2007 06:47:40 -0800 |
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We currently ship a PAE 32-bit domU that we can trivially make bimodal,
except that if we set it to "bimodal", then older Xens will default to
thinking the domU is not PAE:
353 dsi->pae_kernel = PAEKERN_no;
354 if ( dsi->__elfnote_section )
355 {
356 p = xen_elfnote_string(dsi, XEN_ELFNOTE_PAE_MODE);
357 if ( p != NULL && strncmp(p, "yes", 3) == 0 )
358 dsi->pae_kernel = PAEKERN_extended_cr3;
Could we have a new note instead?
thanks
john
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