Add initial run.sh for Kernel_Selftests with basic execution and result logging

Runner/suites/Kernel/FunctionalArea/baseport/Kernel_Selftests/README.md

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+# Kernel Selftest Runner
+
+This directory contains the automation scripts for running **Linux Kernel Selftests** on Qualcomm-based platforms (e.g., RB3GEN2) using the standardized `qcom-linux-testkit` framework.
+
+## Overview
+
+The selftest runner (`run.sh`) is designed to:
+- Automatically detect and run enabled kernel selftests using a whitelist file (`enabled_tests.list`)
+- Ensure all required dependencies and directories are present
+- Log detailed test results for CI/CD integration
+- Support both standalone execution and integration with LAVA/automated test infrastructure
+
+## Files
+
+- **run.sh**: Main test runner script. Executes all tests listed in `enabled_tests.list` and produces `.res` and `.run` result files.
+- **enabled_tests.list**: Whitelist of test suites or binaries to run (one per line). Supports comments and blank lines.
+- **Kernel_Selftests.res**: Detailed result file, capturing PASS/FAIL/SKIP for each test or subtest.
+- **Kernel_Selftests.run**: Cumulative PASS or FAIL summary, used by CI pipelines for quick parsing.
+
+## Prerequisites
+
+- `/kselftest` directory must be present on the device/target. This is where the selftest binaries are located (usually deployed by the build or CI).
+- All test scripts must have the executable bit set (`chmod +x run.sh`), enforced by GitHub Actions.
+- `enabled_tests.list` must exist and contain at least one non-comment, non-blank entry.
+
+## Script Flow
+
+1. **Environment Setup**:  
+   Dynamically locates and sources `init_env` and `functestlib.sh` to ensure robust, path-independent execution.
+
+2. **Dependency Checks**:  
+   - Checks for required commands (e.g., `find`)
+   - Ensures `/kselftest` directory exists
+   - Validates `enabled_tests.list` is present and usable
+
+3. **Test Discovery & Execution**:  
+   - Parses `enabled_tests.list`, ignoring comments and blanks
+   - Supports both directory and subtest (e.g., `timers/thread_test`) entries
+   - Executes test binaries or `run_test.sh` for each listed test
+   - Logs individual and summary results
+
+4. **Result Logging**:  
+   - Writes detailed results to `Kernel_Selftests.res`
+   - Writes overall PASS/FAIL to `Kernel_Selftests.run`
+
+5. **CI Compatibility**:  
+   - Designed for direct invocation by LAVA or any CI/CD harness
+   - Fails early and logs meaningful errors if prerequisites are missing
+
+## enabled_tests.list Format
+
+```text
+# This is a comment
+timers
+thread
+timers/thread_test
+# Add more test names or subtests as needed
+```
+
+- Each non-comment, non-blank line specifies a test directory or a test binary under `/kselftest`.
+
+## Example Usage
+
+```sh
+sh run.sh
+```
+
+or from a higher-level testkit runner:
+
+```sh
+./run-test.sh Kernel_Selftests
+```
+
+## Troubleshooting
+
+- **Missing executable bit**:  
+  If you see permission errors, ensure all scripts are `chmod +x`.
+
+- **Missing `/kselftest` directory**:  
+  Ensure selftests are built and deployed to the target system.
+
+- **Missing or empty `enabled_tests.list`**:  
+  Add test entries as needed. The runner will fail if this file is absent or empty.
+
+## Contribution Guidelines
+
+- Update `enabled_tests.list` as test coverage expands.
+- Follow the coding and structure conventions enforced by CI (see `CONTRIBUTING.md`).
+- All changes should pass permission checks and shellcheck lints in CI.
+
+## License
+
+SPDX-License-Identifier: BSD-3-Clause-Clear  
+Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.

Runner/suites/Kernel/FunctionalArea/baseport/Kernel_Selftests/enabled_tests.list

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+acct:acct_syscall
+arm64:btitest
+arm64:check_prctl
+arm64:fake_sigreturn_bad_magic
+arm64:fake_sigreturn_bad_size
+arm64:fake_sigreturn_bad_size_for_magic0
+arm64:fake_sigreturn_duplicated_fpsimd
+arm64:fake_sigreturn_misaligned_sp
+arm64:fake_sigreturn_missing_fpsimd
+arm64:fpmr_siginfo
+arm64:fp-ptrace
+arm64:hwcap
+arm64:mangle_pstate_invalid_compat_toggle
+arm64:mangle_pstate_invalid_daif_bits
+arm64:mangle_pstate_invalid_mode_el1h
+arm64:mangle_pstate_invalid_mode_el1t
+arm64:mangle_pstate_invalid_mode_el2h
+arm64:mangle_pstate_invalid_mode_el2t
+arm64:mangle_pstate_invalid_mode_el3h
+arm64:mangle_pstate_invalid_mode_el3t
+arm64:nobtitest
+arm64:pac
+arm64:poe_siginfo
+arm64:ptrace
+arm64:sme_trap_za
+arm64:syscall-abi
+arm64:tags_test
+arm64:tpidr2
+arm64:tpidr2_siginfo
+arm64:vec-syscfg
+arm64:za-fork
+breakpoints:breakpoint_test_arm64
+cachestat:test_cachestat
+cgroup:test_core
+cgroup:test_cpuset
+cgroup:test_freezer
+cgroup:test_kill
+clone3:clone3
+clone3:clone3_clear_sighand
+clone3:clone3_set_tid
+clone3:close_range_test
+damon:sysfs.sh
+damon:sysfs_update_removed_scheme_dir.sh
+net:forwarding/router_mpath_nh_res.sh
+net:forwarding/router_mpath_nh.sh
+net:hsr/hsr_ping.sh
+net:hsr/hsr_redbox.sh
+net:netfilter/bridge_brouter.sh
+net:netfilter/br_netfilter_queue.sh
+net:netfilter/br_netfilter.sh
+net:netfilter/conntrack_icmp_related.sh
+net:netfilter/conntrack_sctp_collision.sh
+net:netfilter/conntrack_tcp_unreplied.sh
+net:netfilter/conntrack_vrf.sh
+net:netfilter/nf_conntrack_packetdrill.sh
+net:netfilter/nft_conntrack_helper.sh
+net:netfilter/nft_fib.sh
+net:netfilter/nft_nat.sh
+net:netfilter/nft_nat_zones.sh
+net:netfilter/nft_queue.sh
+net:netfilter/nft_tproxy_tcp.sh
+net:netfilter/nft_tproxy_udp.sh
+net:netfilter/nft_zones_many.sh
+pidfd:pidfd_fdinfo_test
+pidfd:pidfd_file_handle_test
+pidfd:pidfd_getfd_test
+pidfd:pidfd_open_test
+pidfd:pidfd_poll_test
+pidfd:pidfd_setns_test
+pidfd:pidfd_test
+pidfd:pidfd_wait
+proc:fd-001-lookup
+proc:fd-002-posix-eq
+proc:fd-003-kthread
+proc:proc-2-is-kthread
+proc:proc-loadavg-001
+proc:proc-self-isnt-kthread
+proc:proc-self-map-files-001
+proc:proc-self-map-files-002
+proc:proc-self-syscall
+proc:proc-self-wchan
+proc:proc-subset-pid
+proc:proc-tid0
+proc:proc-uptime-001
+proc:proc-uptime-002
+timers:inconsistency-check
+timers:nanosleep
+timers:nsleep-lat