Re: [RFC PATCH 03/21] pci: Define TEE-IO bit in PCIe device capabilities

Dan Williams
2024-08-30T21:37:24Z

Alexey Kardashevskiy wrote:
> On 30/8/24 12:21, Dan Williams wrote:
> > Alexey Kardashevskiy wrote:
> >> A new bit #30 from the PCI Express Device Capabilities Register is defined
> >> in PCIe 6.1 as "TEE Device Interface Security Protocol (TDISP)".
> >>
> >> Define the macro.
> >>
> >> Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
> >> ---
> >> include/uapi/linux/pci_regs.h | 1 +
> >> 1 file changed, 1 insertion(+)
> >
> > Not sure this is justified as a standalone patch, lets fold it in with
> > its user.
>
> not sure either but this one is already defined in the PCIe spec for
> some time and lspci knows it but it is going quite some time before "its
> user" makes it to the upstream linux.

So, wait. I.e. if the answer to the question "what does Linux lose by
not merging a patch?" is "nothing", then there is no urgency to merge
it.