From: Song Liu <song@kernel.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>,
"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>,
"Nadav Amit" <nadav.amit@gmail.com>,
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"Peter Zijlstra" <peterz@infradead.org>,
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x86@kernel.org
Subject: Re: [PATCH v6 07/16] mm/execmem, arch: convert simple overrides of module_alloc to execmem
Date: Fri, 26 Apr 2024 11:54:06 -0700 [thread overview]
Message-ID: <CAPhsuW7+wmDA_aaZKhNLfEZ-F1aLpUKssXqu5tUs6s=P9yvB-Q@mail.gmail.com> (raw)
In-Reply-To: <20240426082854.7355-8-rppt@kernel.org>
On Fri, Apr 26, 2024 at 1:30 AM Mike Rapoport <rppt@kernel.org> wrote:
>
> From: "Mike Rapoport (IBM)" <rppt@kernel.org>
>
> Several architectures override module_alloc() only to define address
> range for code allocations different than VMALLOC address space.
>
> Provide a generic implementation in execmem that uses the parameters for
> address space ranges, required alignment and page protections provided
> by architectures.
>
> The architectures must fill execmem_info structure and implement
> execmem_arch_setup() that returns a pointer to that structure. This way the
> execmem initialization won't be called from every architecture, but rather
> from a central place, namely a core_initcall() in execmem.
>
> The execmem provides execmem_alloc() API that wraps __vmalloc_node_range()
> with the parameters defined by the architectures. If an architecture does
> not implement execmem_arch_setup(), execmem_alloc() will fall back to
> module_alloc().
>
> Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Acked-by: Song Liu <song@kernel.org>
next prev parent reply other threads:[~2024-04-26 18:54 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-26 8:28 [PATCH v6 00/16] mm: jit/text allocator Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 01/16] arm64: module: remove unneeded call to kasan_alloc_module_shadow() Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 02/16] mips: module: rename MODULE_START to MODULES_VADDR Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 03/16] nios2: define virtual address space for modules Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 04/16] sparc: simplify module_alloc() Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 05/16] module: make module_memory_{alloc,free} more self-contained Mike Rapoport
2024-04-26 18:48 ` Song Liu
2024-04-26 8:28 ` [PATCH v6 06/16] mm: introduce execmem_alloc() and execmem_free() Mike Rapoport
2024-04-26 18:50 ` Song Liu
2024-04-26 8:28 ` [PATCH v6 07/16] mm/execmem, arch: convert simple overrides of module_alloc to execmem Mike Rapoport
2024-04-26 18:54 ` Song Liu [this message]
2024-04-26 8:28 ` [PATCH v6 08/16] mm/execmem, arch: convert remaining " Mike Rapoport
2024-04-26 19:01 ` Song Liu
2024-04-28 6:55 ` Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 09/16] riscv: extend execmem_params for generated code allocations Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 10/16] arm64: extend execmem_info " Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 11/16] powerpc: extend execmem_params for kprobes allocations Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 12/16] arch: make execmem setup available regardless of CONFIG_MODULES Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 13/16] x86/ftrace: enable dynamic ftrace without CONFIG_MODULES Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 14/16] powerpc: use CONFIG_EXECMEM instead of CONFIG_MODULES where appropriate Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 15/16] kprobes: remove dependency on CONFIG_MODULES Mike Rapoport
2024-04-26 8:28 ` [PATCH v6 16/16] bpf: remove CONFIG_BPF_JIT dependency on CONFIG_MODULES of Mike Rapoport
2024-04-26 22:16 ` [PATCH v6 00/16] mm: jit/text allocator Luis Chamberlain
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