Messages in this thread | | | Date | Wed, 11 Oct 2023 16:32:34 -0700 | Subject | Re: [PATCH v4 14/15] asm-generic: hyperv: Use new Hyper-V headers conditionally. | From | Nuno Das Neves <> |
| |
On 10/5/2023 12:52 PM, Alex Ionescu wrote: >>> 3) Truly making hypertv-tlfs the "documented" header, and then > removing any duplication from HDK so that it remains the >>> "undocumented" header file. In this manner, one would include >>> hyperv-tlfs to use the stable ABI, and they would include HDK (which >>> would include hyperv-tlfs) to use the unstable+stable ABI. >> >> hyperv-tlfs.h is remaining the "documented" header. >> >> But, we can't make the HDK header depend on hyperv-tlfs.h, for 2 primary >> reasons: >> 1. We need to put the new HDK headers in uapi so that we can use them in >> our IOCTL interface. As a result, we can't include hyperv-tlfs.h (unless >> we put it in uapi as well). >> 2. The HDK headers not only duplicate, but also MODIFY some structures >> in hyperv-tlfs.h. e.g., The struct is in hyperv-tlfs.h, but a particular >> field or bitfield is not. > > #2 was something I was worried about. Do you know if the > standards/docs team is planning on updating the TLFS at some point > with updates on their end? At which point I'd assume you'd be OK with > patches to add them to hyperv-tlfs.h >
I don't know the current plans for updating the TLFS. But yes, assuming a new TLFS doc has something that is needed in the kernel, hyperv-tlfs.h would be updated to support that.
Thanks, Nuno
| |