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Fix CA-140252 flag #4839

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merged 1 commit into from
Nov 2, 2022
Merged

Fix CA-140252 flag #4839

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9 changes: 5 additions & 4 deletions ocaml/xenopsd/xc/domain.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -786,11 +786,12 @@ let get_action_request ~xs domid =
try Some (xs.Xs.read path) with Xs_protocol.Enoent _ -> None

let maybe_ca_140252_workaround ~xc ~vcpus domid =
if !Xenopsd.ca_140252_workaround then
if !Xenopsd.ca_140252_workaround then (
debug "Allocating %d I/O req evtchns in advance for device model" vcpus ;
for _ = 1 to vcpus do
ignore_int (Xenctrl.evtchn_alloc_unbound xc domid 0)
done
for _ = 1 to vcpus do
ignore_int (Xenctrl.evtchn_alloc_unbound xc domid 0)
done
)

(** create store and console channels *)
let create_channels ~xc uuid domid =
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