On 4/2/2023 7:34 AM, Xinghui Li wrote: > On Thu, Mar 30, 2023 at 2:49 PM Patel, Nirmal > <nirmal.patel@xxxxxxxxxxxxxxx> 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~ if msi_remap=on, then msi_flag=true; if msi_remap=off, then msi_flag=false.