On 11/25/24 2:52 AM, Zhu Yanjun wrote:

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# ./test_progs -t smc
#27/1    bpf_smc/load:OK
#27      bpf_smc:OK
Summary: 1/1 PASSED, 0 SKIPPED, 0 FAILED

The above command is based on several kernel modules. After these dependent 
kernel modules are loaded, then can run the above command successfully.

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This is indeed a problem, a better way may be to create a separate testing 
directory for SMC, and we are trying to do this.

Got it. In the latest patch series, if a test program in sample/bpf can verify 
this bpf feature, it is better than a selftest program in the directory tools/ 
testing/selftests/bpf.

I delved into this selftest tool. It seems that this selftest tool only makes 
the basic checks. A test program in sample/bpf can do more.

sample(s)/bpf? No new test should be added to samples/bpf which is obsolete. The 
bpf CI only runs tests under selftests/bpf.

There is selftests/bpf/config to tell the bpf CI about what kconfig needs to 
turn on.