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[v3,13/13] bpf: remove CONFIG_BPF_JIT dependency on CONFIG_MODULES of

Message ID 20230918072955.2507221-14-rppt@kernel.org (mailing list archive)
State Handled Elsewhere
Headers show
Series mm: jit/text allocator | expand

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conchuod/maintainers_pattern success MAINTAINERS pattern errors before the patch: 5 and now 5
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conchuod/kdoc success Errors and warnings before: 0 this patch: 0
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conchuod/build_rv32_defconfig success Build OK
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conchuod/header_inline success No static functions without inline keyword in header files
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conchuod/build_rv64_nommu_k210_defconfig success Build OK
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Commit Message

Mike Rapoport Sept. 18, 2023, 7:29 a.m. UTC 
From: "Mike Rapoport (IBM)" <rppt@kernel.org>

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 <bjorn@kernel.org>
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
---
 kernel/bpf/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/kernel/bpf/Kconfig b/kernel/bpf/Kconfig
index 6a906ff93006..5be11c906f93 100644
--- a/kernel/bpf/Kconfig
+++ b/kernel/bpf/Kconfig
@@ -42,7 +42,7 @@  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