Re: [PATCH 5.10 000/284] 5.10.221-rc2 review

[Frank Scheiner]

Dear Greg, dear Sasha,

I noticed a build failure for linux-5.10.y for ia64 ([1]) (sorry,
actually since 5.10.221-rc1, but I didn't notice that build failure
before yesterday :-/ and as the review window for 5.10.222-rc1 is not
yet open, I thought I send it now as response to the last review window
announcement for 5.10.221-rc2):

https://github.com/linux-ia64/linux-stable-rc/actions/runs/9771252437/job/26974019958#step:8:3524:
```
[...]
CC [M]  drivers/pps/pps.o
drivers/firmware/efi/memmap.c:16:10: fatal error: asm/efi.h: No such
file or directory
   16 | #include <asm/efi.h>
      |          ^~~~~~~~~~~
compilation terminated.
[...]
```

[1]:
https://github.com/linux-ia64/linux-stable-rc/actions/runs/9771252437#summary-26974019958

This is related to the recent addition of this change set:

efi: memmap: Move manipulation routines into x86 arch tree

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?h=linux-5.10.y&id=31e0721aeabde29371f624f56ce2f403508527a5

...to linux-5.10.y. For ia64 this change set on its own seems incomplete
as it requires a header not available for ia64 w/o additional changes.

Adding:

efi: ia64: move IA64-only declarations to new asm/efi.h header

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8ff059b8531f3b98e14f0461859fc7cdd95823e4

...or from here (according to GitHub this is in linux-stable(-rc)
starting with linux-5.12.y):

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=8ff059b8531f3b98e14f0461859fc7cdd95823e4

fixes it for me with 5.10.222-rc1, see for example [2].

[2]:
https://github.com/linux-ia64/linux-stable-rc/actions/runs/9871144965#summary-27258970494

Cheers,
Frank