From 8251be558d6824fa1dce37836b7f1d6ec6be6e9f Mon Sep 17 00:00:00 2001 From: jikui Date: Tue, 30 Nov 2021 10:36:27 +0800 Subject: [PATCH] kata-runtime: check VFIO when create device Signed-off-by: jikui --- src/runtime/virtcontainers/device/manager/manager.go | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/runtime/virtcontainers/device/manager/manager.go b/src/runtime/virtcontainers/device/manager/manager.go index 4515609..3afc148 100644 --- a/src/runtime/virtcontainers/device/manager/manager.go +++ b/src/runtime/virtcontainers/device/manager/manager.go @@ -10,6 +10,7 @@ import ( "context" "encoding/hex" "errors" + "fmt" "sync" "github.com/sirupsen/logrus" @@ -116,7 +117,11 @@ func (dm *deviceManager) createDevice(devInfo config.DeviceInfo) (dev api.Device }() if existingDev := dm.findDeviceByMajorMinor(devInfo.Major, devInfo.Minor); existingDev != nil { - return existingDev, nil + if isVFIO(devInfo.HostPath) { + return nil, fmt.Errorf("device %s is replicated in the same Pod!", devInfo.ContainerPath) + } else { + return existingDev, nil + } } // device ID must be generated by manager instead of device itself -- 2.25.1