On 19/07/2019 11:29, Jan Beulich wrote: > From: Ricardo Neri <[email protected]> > > Processors which have self-snooping capability can handle conflicting > memory type across CPUs by snooping its own cache. However, there exists > CPU models in which having conflicting memory types still leads to > unpredictable behavior, machine check errors, or hangs. > > Clear this feature on affected CPUs to prevent its use. > > Suggested-by: Alan Cox <[email protected]> > Signed-off-by: Ricardo Neri <[email protected]> > [Linux commit 1e03bff3600101bd9158d005e4313132e55bdec8] > > Strip Yonah - as per ark.intel.com it doesn't look to be 64-bit capable. > Call the new function on the boot CPU only. Don't clear the CPU feature > flag itself, as it is exposed to guests (who could otherwise observe it > disappear after migration). > > Requested-by: Andrew Cooper <[email protected]> > Signed-off-by: Jan Beulich <[email protected]>
Reviewed-by: Andrew Cooper <[email protected]> _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
