How to check that the MSI is disabled after adding disable_msi=1 in RHEL?

Solution Unverified - Updated -

Issue

  • I have disabled the msi function for BNX2 drivers with following options:
1. /etc/modprobe.d/bnx2.conf 
options bnx2 disable_msi=1
  • How to check that the MSI was turned disable after setting the followings?

Environment

  • Red Hat Enterprise Linux

  • Broadcom NIC.

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