From b993115b44d769cb34b394d92658226df81a6c89 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Thu, 22 Feb 2024 10:16:17 -0800 Subject: bpf: Select new NEED_TASKS_RCU Kconfig option Currently, if a Kconfig option depends on TASKS_RCU, it conditionally does "select TASKS_RCU if PREEMPTION". This works, but requires any change in this enablement logic to be replicated across all such "select" clauses. A new NEED_TASKS_RCU Kconfig option has been created to allow this enablement logic to be in one place in kernel/rcu/Kconfig. Therefore, make BPF select the new NEED_TASKS_RCU Kconfig option. Signed-off-by: Paul E. McKenney Cc: Alexei Starovoitov Cc: Daniel Borkmann Cc: Andrii Nakryiko Cc: Martin KaFai Lau Cc: Song Liu Cc: Yonghong Song Cc: John Fastabend Cc: KP Singh Cc: Stanislav Fomichev Cc: Hao Luo Cc: Jiri Olsa Cc: Cc: Ankur Arora Cc: Thomas Gleixner Cc: Steven Rostedt Acked-by: Mark Rutland Signed-off-by: Uladzislau Rezki (Sony) --- kernel/bpf/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/bpf/Kconfig') diff --git a/kernel/bpf/Kconfig b/kernel/bpf/Kconfig index bc25f5098a25..4100df44c665 100644 --- a/kernel/bpf/Kconfig +++ b/kernel/bpf/Kconfig @@ -28,7 +28,7 @@ config BPF_SYSCALL bool "Enable bpf() system call" select BPF select IRQ_WORK - select TASKS_RCU if PREEMPTION + select NEED_TASKS_RCU select TASKS_TRACE_RCU select BINARY_PRINTF select NET_SOCK_MSG if NET -- cgit v1.2.3 From 2c9e5d4a008293407836d29d35dfd4353615bd2f Mon Sep 17 00:00:00 2001 From: "Mike Rapoport (IBM)" Date: Sun, 5 May 2024 19:06:28 +0300 Subject: bpf: remove CONFIG_BPF_JIT dependency on CONFIG_MODULES of MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit BPF just-in-time compiler depended on CONFIG_MODULES because it used module_alloc() to allocate memory for the generated code. Since code allocations are now implemented with execmem, drop dependency of CONFIG_BPF_JIT on CONFIG_MODULES and make it select CONFIG_EXECMEM. Suggested-by: Björn Töpel Signed-off-by: Mike Rapoport (IBM) Signed-off-by: Luis Chamberlain --- kernel/bpf/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/bpf/Kconfig') diff --git a/kernel/bpf/Kconfig b/kernel/bpf/Kconfig index 4100df44c665..17067dcb4386 100644 --- a/kernel/bpf/Kconfig +++ b/kernel/bpf/Kconfig @@ -43,7 +43,7 @@ config BPF_JIT bool "Enable BPF Just In Time compiler" depends on BPF depends on HAVE_CBPF_JIT || HAVE_EBPF_JIT - depends on MODULES + select EXECMEM help BPF programs are normally handled by a BPF interpreter. This option allows the kernel to generate native code when a program is loaded -- cgit v1.2.3