From: Steven Rostedt <rostedt@goodmis.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: linux-kernel@vger.kernel.org,
"Alexandre Ghiti" <alexghiti@rivosinc.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Björn Töpel" <bjorn@kernel.org>,
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"Christophe Leroy" <christophe.leroy@csgroup.eu>,
"David S. Miller" <davem@davemloft.net>,
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"Eric Chanudet" <echanude@redhat.com>,
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"Huacai Chen" <chenhuacai@kernel.org>,
"Kent Overstreet" <kent.overstreet@linux.dev>,
"Liviu Dudau" <liviu@dudau.co.uk>,
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"Mark Rutland" <mark.rutland@arm.com>,
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x86@kernel.org
Subject: Re: [PATCH v8 13/17] x86/ftrace: enable dynamic ftrace without CONFIG_MODULES
Date: Mon, 6 May 2024 14:22:40 -0400 [thread overview]
Message-ID: <20240506142240.36c38d7f@gandalf.local.home> (raw)
In-Reply-To: <20240505142600.2322517-14-rppt@kernel.org>
On Sun, 5 May 2024 17:25:56 +0300
Mike Rapoport <rppt@kernel.org> wrote:
> From: "Mike Rapoport (IBM)" <rppt@kernel.org>
>
> Dynamic ftrace must allocate memory for code and this was impossible
> without CONFIG_MODULES.
>
> With execmem separated from the modules code, execmem_text_alloc() is
> available regardless of CONFIG_MODULES.
>
> Remove dependency of dynamic ftrace on CONFIG_MODULES and make
> CONFIG_DYNAMIC_FTRACE select CONFIG_EXECMEM in Kconfig.
>
> Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
> ---
> arch/x86/Kconfig | 1 +
> arch/x86/kernel/ftrace.c | 10 ----------
> 2 files changed, 1 insertion(+), 10 deletions(-)
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
-- Steve
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next prev parent reply other threads:[~2024-05-06 18:22 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-05 14:25 [PATCH v8 00/17] mm: jit/text allocator Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 01/17] arm64: module: remove unneeded call to kasan_alloc_module_shadow() Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 02/17] mips: module: rename MODULE_START to MODULES_VADDR Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 03/17] nios2: define virtual address space for modules Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 04/17] sparc: simplify module_alloc() Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 05/17] module: make module_memory_{alloc,free} more self-contained Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 06/17] mm: introduce execmem_alloc() and execmem_free() Mike Rapoport
2024-05-06 18:15 ` Steven Rostedt
2024-05-05 14:25 ` [PATCH v8 07/17] mm/execmem, arch: convert simple overrides of module_alloc to execmem Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 08/17] mm/execmem, arch: convert remaining " Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 09/17] riscv: extend execmem_params for generated code allocations Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 10/17] arm64: extend execmem_info " Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 11/17] powerpc: extend execmem_params for kprobes allocations Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 12/17] arch: make execmem setup available regardless of CONFIG_MODULES Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 13/17] x86/ftrace: enable dynamic ftrace without CONFIG_MODULES Mike Rapoport
2024-05-06 18:22 ` Steven Rostedt [this message]
2024-05-05 14:25 ` [PATCH v8 14/17] powerpc: use CONFIG_EXECMEM instead of CONFIG_MODULES where appropriate Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 15/17] kprobes: remove dependency on CONFIG_MODULES Mike Rapoport
2024-05-05 14:25 ` [PATCH v8 16/17] bpf: remove CONFIG_BPF_JIT dependency on CONFIG_MODULES of Mike Rapoport
2024-05-05 14:26 ` [PATCH v8 17/17] fixup: convert remaining archs: defaults handling Mike Rapoport
2024-05-05 16:21 ` [PATCH v8 00/17] mm: jit/text allocator Mike Rapoport
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