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3074e8b175
Björn Töpel <bjorn@kernel.org> says: This series includes a three ftrace improvements for RISC-V: 1. Do not require to run recordmcount at build time (patch 1) 2. Simplification of the function graph functionality (patch 2) 3. Enable DYNAMIC_FTRACE_WITH_DIRECT_CALLS (patch 3 and 4) The series has been tested on Qemu/rv64 virt/Debian sid with the following test configs: CONFIG_FTRACE_SELFTEST=y CONFIG_FTRACE_STARTUP_TEST=y CONFIG_SAMPLE_FTRACE_DIRECT=m CONFIG_SAMPLE_FTRACE_DIRECT_MULTI=m CONFIG_SAMPLE_FTRACE_OPS=m All tests pass. * b4-shazam-merge: samples: ftrace: Add RISC-V support for SAMPLE_FTRACE_DIRECT[_MULTI] riscv: ftrace: Add DYNAMIC_FTRACE_WITH_DIRECT_CALLS support riscv: ftrace: Make function graph use ftrace directly riscv: select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY Link: https://lore.kernel.org/r/20231130121531.1178502-1-bjorn@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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