diff options
Diffstat (limited to 'docs/man/xl.cfg.pod.5')
| -rw-r--r-- | docs/man/xl.cfg.pod.5 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/man/xl.cfg.pod.5 b/docs/man/xl.cfg.pod.5 index cd9696934b..278dba10d8 100644 --- a/docs/man/xl.cfg.pod.5 +++ b/docs/man/xl.cfg.pod.5 @@ -580,6 +580,17 @@ Allow a guest to access specific physical IRQs. It is recommended to use this option only for trusted VMs under administrator control. +=item B<max_event_channels=N> + +Limit the guest to using at most N event channels (PV interrupts). +Guests use hypervisor resources for each event channel they use. + +The default of 1023 should be sufficient for typical guests. The +maximum value depends what the guest supports. Guests supporting the +FIFO-based event channel ABI support up to 131,071 event channels. +Other guests are limited to 4095 (64-bit x86 and ARM) or 1023 (32-bit +x86). + =back =head2 Paravirtualised (PV) Guest Specific Options |