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This patch enables support of hugepages in a pv Xen environment. It is against the latest xen unstable tree on http://xenbits.xensource.com. The patch assumes the guest is passing a physically aligned hugepage. It does reference counting on all the underlying pages. Dave McCracken Oracle Corp. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

...antees that the hugepage is physically aligned and contiguous. There is currently no support in the tools for saving/restoring/migrating guests who use hugepages. Note to the maintainers: What else needs to be done for this patch to be considered for inclusion into the tree? Signed-off-by: Dave McCracken <dave.mccracken@oracle.com> ---- --- xen-unstable//./xen/include/asm-x86/mm.h 2008-10-02 14:23:17.000000000 -0500 +++ xen-hpage/./xen/include/asm-x86/mm.h 2008-11-04 08:24:35.000000000 -0600 @@ -240,6 +240,8 @@ pae_copy_root(struct vcpu *v, l3_pgentry int check_descriptor(const struct...

...ically for x86_64. I originally had these patches working back in May, but recently for some reason my machine now refuses to boot the baseline xen-unstable, so I''ve been unable to verify them. However, they should still work. Comments, bug reports, and suggestions are welcome. Dave McCracken Oracle Corp. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

The PV superpage mapping feature has been in the hypervisor for a while now, but I''m not away of any use of this feature by an upstream guest kernel (e.g., and primarily of interest, pv_ops Linux). Am I mistaken, or is anyone looking into or interested in this? If the feature is unused we should remove it from the hypervisor in this development cycle, as it''s untested and is

...t have a working serial console, but from what''s left on the screen I can see that the process is udevd, the stack trace is: netlink_bind sys_bind get_empty_filp sys_setsockopt system_call Is this a familiar problem to anyone? Is there some config option I have set wrong? Thanks, Dave McCracken _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users

...against the latest linux-2.6.18-xen tree on http://xenbits.xensource.com. The patch assumes the guest memory was contiguously allocated on a hugepage-aligned boundary. Future versions of the patch may include checking the hugepage pool and removing hugepages that are not properly aligned. Dave McCracken Oracle Corp. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel