From: Mike Rapoport <rppt@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: "Alexandre Ghiti" <alexghiti@rivosinc.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Björn Töpel" <bjorn@kernel.org>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Christophe Leroy" <christophe.leroy@csgroup.eu>,
"David S. Miller" <davem@davemloft.net>,
"Dinh Nguyen" <dinguyen@kernel.org>,
"Donald Dutile" <ddutile@redhat.com>,
"Eric Chanudet" <echanude@redhat.com>,
"Heiko Carstens" <hca@linux.ibm.com>,
"Helge Deller" <deller@gmx.de>,
"Huacai Chen" <chenhuacai@kernel.org>,
"Kent Overstreet" <kent.overstreet@linux.dev>,
"Luis Chamberlain" <mcgrof@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Masami Hiramatsu" <mhiramat@kernel.org>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Mike Rapoport" <rppt@kernel.org>,
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"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
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Subject: [PATCH v5 15/15] bpf: remove CONFIG_BPF_JIT dependency on CONFIG_MODULES of
Date: Mon, 22 Apr 2024 11:50:28 +0300 [thread overview]
Message-ID: <20240422085028.3602777-6-rppt@kernel.org> (raw)
In-Reply-To: <20240422085028.3602777-1-rppt@kernel.org>
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(-)
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
--
2.43.0
next prev parent reply other threads:[~2024-04-22 8:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-22 8:50 [PATCH v5 10/15] powerpc: extend execmem_params for kprobes allocations Mike Rapoport
2024-04-22 8:50 ` [PATCH v5 11/15] arch: make execmem setup available regardless of CONFIG_MODULES Mike Rapoport
2024-04-22 8:50 ` [PATCH v5 12/15] x86/ftrace: enable dynamic ftrace without CONFIG_MODULES Mike Rapoport
2024-04-22 8:50 ` [PATCH v5 13/15] powerpc: use CONFIG_EXECMEM instead of CONFIG_MODULES where appropriate Mike Rapoport
2024-04-22 8:50 ` [PATCH v5 14/15] kprobes: remove dependency on CONFIG_MODULES Mike Rapoport
2024-04-22 8:50 ` Mike Rapoport [this message]
2024-04-22 9:44 [PATCH v5 00/15] mm: jit/text allocator Mike Rapoport
2024-04-22 9:44 ` [PATCH v5 15/15] bpf: remove CONFIG_BPF_JIT dependency on CONFIG_MODULES of Mike Rapoport
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