> On Nov 3, 2020, at 8:08 AM, David Edmondson <david.edmondson@xxxxxxxxxx> wrote:
>
> Verify that the clflushopt instruction succeeds when applied to an
> MMIO address at both cpl0 and cpl3.
>
> Suggested-by: Joao Martins <joao.m.martins@xxxxxxxxxx>
> Signed-off-by: David Edmondson <david.edmondson@xxxxxxxxxx>
>
[snip]
> + ret = pci_find_dev(PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_TEST);
> + if (ret != PCIDEVADDR_INVALID) {
> + pci_dev_init(&pcidev, ret);
Just wondering, and perhaps this question is more general: does this test
really need the Red-Hat test device?
I know it is an emulated device, but can’t we use some other MMIO address
(e.g., PIT) that is also available on bare-metal?
