On 27/06/2019 20:41, Igor Druzhinin wrote: > This fixes booting of old non-PV-OPS kernels which historically > looked for OSXSAVE instead of XSAVE bit in CPUID to check whether > XSAVE feature is enabled. If such a guest appears to be started on > an XSAVE enabled CPU and the feature is explicitly cleared in > policy, leaked OSXSAVE bit from Xen will lead to guest crash early in > boot. > > Signed-off-by: Igor Druzhinin <[email protected]>
Reviewed-by: Andrew Cooper <[email protected]> Yes - this one aspect of the gigantic mess which is PV guests and XSAVE which I overlooked when coming up with the existing gross bodge. _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
