Kfunc already support bpf_strcmp, this patchset introduce bpf_strcasecmp
and add some selftests.

Rong Tao (2):
  bpf: add bpf_strcasecmp kfunc
  selftests/bpf: Test kfunc bpf_strcasecmp

 kernel/bpf/helpers.c                          | 68 +++++++++++++------
 .../bpf/progs/string_kfuncs_failure1.c        |  6 ++
 .../bpf/progs/string_kfuncs_failure2.c        |  1 +
 .../bpf/progs/string_kfuncs_success.c         |  5 ++
 4 files changed, 60 insertions(+), 20 deletions(-)


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v2: Remove __ign prefix from __bpf_strcasecmp and add E2BIG failure test;
v1: https://lore.kernel.org/lkml/tencent_5AE811A28781BE106AD6CDE59F4ADD2BFA06@qq.com/
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2.51.0