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[v5,15/15] bpf: remove CONFIG_BPF_JIT dependency on CONFIG_MODULES of

Message ID 20240422085028.3602777-6-rppt@kernel.org (mailing list archive)
State Not Applicable
Delegated to: BPF
Headers show
Series [v5,01/15] arm64: module: remove unneeded call to kasan_alloc_module_shadow() | expand

Checks

Context Check Description
bpf/vmtest-bpf-PR fail merge-conflict
netdev/series_format warning Series does not have a cover letter
netdev/tree_selection success Guessed tree name to be net-next, async
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 13 maintainers not CCed: kpsingh@kernel.org andrii@kernel.org john.fastabend@gmail.com jolsa@kernel.org eddyz87@gmail.com paul.walmsley@sifive.com yonghong.song@linux.dev daniel@iogearbox.net aou@eecs.berkeley.edu martin.lau@linux.dev ast@kernel.org haoluo@google.com sdf@google.com
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-04-24--00-00 (tests: 994)

Commit Message

Mike Rapoport April 22, 2024, 8:50 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 bc25f5098a25..f999e4e0b344 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