Nicholas Piggin <npig...@gmail.com> writes: > The L1 should not be able to adjust LPES mode for the L2. Setting LPES > if the L0 needs it clear would cause external interrupts to be sent to > L2 and missed by the L0. > > Clearing LPES when it may be set, as typically happens with XIVE enabled > could cause a performance issue despite having no native XIVE support in > the guest, because it will cause mediated interrupts for the L2 to be > taken in HV mode, which then have to be injected. > > Signed-off-by: Nicholas Piggin <npig...@gmail.com>
Reviewed-by: Fabiano Rosas <faro...@linux.ibm.com>
