[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v2] xsm: hide detailed Xen version from unprivileged guests
Hi George, Thank you for summarising the possibility. One question below. On 13/01/2020 12:51, George Dunlap wrote: 2. Block XENVER_extraversion at the hypervisor level. Leave xen_deny() as returning "<denied>", but replace "<denied>" with "" in hvmloader so it doesn't show up in the System Info and scare users. 3. Block XENVER_extraversion at the hypervisor level. Change xen_deny() to return a more benign string like "<hidden>". (Perhaps also filter it in hvmloader, just for good measure.) My knowledge of live migration on x86 is a bit limited, but if I understand correctly those two options would require a guest to reboot in order to pick up the changes. Am I correct? Cheers, -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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