regression on 6.1.129-rc with perf

Our CI built linux-stable-rc.git queue/6.1 at commit eef4a8a45ba1 ("btrfs: output the reason for open_ctree() failure"). (built for arm and arm64, albeit I don't think it matters.)

Building perf produced 2 build errors which I wanted to report even before the RC1 is out.

| ...tools/perf/util/namespaces.c:247:27: error: invalid type argument of '->' (have 'int')
|   247 |         RC_CHK_ACCESS(nsi)->in_pidns = true;  
|       |                           ^~

introduced by commit 93520bacf784 ("perf namespaces: Introduce nsinfo__set_in_pidns()"). The RC_CK_ACCSS macro was introduced in 6.4. Removing the macro made this go away ( nsi->in_pidns = true; ).

Second perf build error:
| ld: ...tools/perf/util/machine.c:1176: undefined reference to `kallsyms__get_symbol_start'

Introduced by commits:
710c2e913aa9 perf machine: Don't ignore _etext when not a text symbol 69a87a32f5cd perf machine: Include data symbols in the kernel map

These two use the function kallsyms__get_symbol_start added with:
f9dd531c5b82 perf symbols: Add kallsyms__get_symbol_start() So f9dd531c5b82 would additionally be needed.

The kernel itself built fine, due to the perf error we don't have runtime testresults.

Best regards
Max

Thanks for letting me know, I'll go drop those patches from the queues now. Dealing with perf issues on older kernels like this really isn't needed.

thanks,

greg k-h