Messages in this thread | | | From | Xinghui Li <> | Date | Sun, 2 Apr 2023 22:34:00 +0800 | Subject | Re: [PATCH v4] PCI: vmd: Add the module param to adjust MSI mode |
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On Thu, Mar 30, 2023 at 2:49 PM Patel, Nirmal <nirmal.patel@linux.intel.com> wrote: > > How about adding a boolean flag by comparing user input for module > parameter msi_remap? and add the flag at > > - if (!(features & VMD_FEAT_CAN_BYPASS_MSI_REMAP) || msi_flag > || offset[0] || offset[1]) > > Correct if I am wrong, but in this way we can cover all the cases. > If user adds msi_remap=on, msi_flag=true and enables remapping. > If user adds msi_remap=off, msi_flag=false and disables remapping. > If user doesn't add anything, msi_flag=false and decision will be > made same as current implementation. This will cover guest OS case > as well. > Sorry, I don't quite get your point. How is msi_flag assigned? Do you mean when msi_remap=no, the msi_flag is assigned as true? And msi_remap=off, the msi_flag is assigned as false?
Thanks~
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