### Pull Request validation #### Failed 🔴 Failed or pending checks - `rpm-build:centos-stream-10-s390x[in_progress]`,`rpm-build:centos-stream-10-ppc64le[in_progress]`,`rpm-build:centos-stream-10-aarch64[in_progress]`,`rpm-build:centos-stream-10-x86_64[in_progress]`,`build (GCC, auto)[in_progress]`,`build (GCC, openssl)[in_progress]`,`build (CLANG_RELEASE, auto)[in_progress]`,`build (GCC_ASAN_UBSAN, auto)[in_progress]`,`build (CLANG, gcrypt)[in_progress]`,`build (gcc, 13, mold, openssl)[in_progress]`,`build (CLANG, auto)[in_progress]`,`build (gcc, 11, bfd, gcrypt)[in_progress]`,`build (CLANG_ASAN_UBSAN, auto)[in_progress]`,`build (clang, 18, lld, auto)[in_progress]`,`Analyze (python)[in_progress]`,`build (CLANG_ASAN_UBSAN_NO_DEPS, auto)[in_progress]`,`PR (undefined)[in_progress]`,`build (clang, 16, bfd, openssl)[in_progress]`,`Analyze (cpp)[in_progress]`,`PR (memory)[in_progress]`,`build (clang, 14, mold, gcrypt)[in_progress]`,`PR (address)[in_progress]` #### Success 🟢 Review - Reviewed by a member 🟢 Approval - Changes were approved

🔤 Set title to '(RHEL-52634) Revert "cgroup-util: Don't try to open pidfd for kernel threads"'

🔗 PR was linked with Jira issue [RHEL-52634](https://issues.redhat.com/browse/RHEL-52634)

🎺 Jira issue [RHEL-52634](https://issues.redhat.com/browse/RHEL-52634) has desired state.