>On 2020-09-05 01:13, Jon Derrick wrote: >> Some platforms have an AHCI controller behind VMD. These platforms are >> working correctly except for a case when the AHCI MSI is programmed with >> VMD IRQ vector 0 (0xfee00000). When programmed with any other interrupt >> (0xfeeNN000), the MSI is routed correctly and is handled by VMD. Placing >> the AHCI MSI(s) in the fast-interrupt allow list solves the issue. >> >> This also requires that VMD allocate more than one MSI/X vector and >> changes the minimum MSI/X vectors allocated to two. >> >> Signed-off-by: Jon Derrick <jonathan.derrick@xxxxxxxxx> > > Verified two platforms with such configuration. Thank you. > > You-Sheng Yang We have some laptops equipped with Tiger Lake chips and such configuration that hit the same issue, too. They all could be fixed by this patch. Thank you Tested-by: Jian-Hong Pan <jhp@xxxxxxxxxxxxx>
