> On May 25, 2022, at 10:21 AM, Jan Beulich <[email protected]> wrote: > > c49ee0329ff3 ("SUPPORT.md: limit security support for hosts with very > much memory"), as a result of XSA-385, restricted security support to > 8 TiB of host memory. While subsequently further restricted for Arm, > extend this to 12 TiB on x86, putting in place a guest restriction to > 8 TiB (or yet less for Arm) in exchange. > > A 12 TiB x86 host was certified successfully for use with Xen 4.14 as > per https://www.suse.com/nbswebapp/yesBulletin.jsp?bulletinNumber=150753. > This in particular included running as many guests (2 TiB each) as > possible in parallel, to actually prove that all the memory can be used > like this. It may be relevant to note that the Optane memory there was > used in memory-only mode, with DRAM acting as cache. > > Signed-off-by: Jan Beulich <[email protected]>
I haven’t been following the discussion, but the form &c LGTM: Acked-by: George Dunlap <[email protected]>
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