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From: Song Liu <song@kernel.org>
To: Puranjay Mohan <puranjay12@gmail.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
	 martin.lau@linux.dev, catalin.marinas@arm.com,
	mark.rutland@arm.com,  bpf@vger.kernel.org, kpsingh@kernel.org,
	linux-arm-kernel@lists.infradead.org,
	 linux-kernel@vger.kernel.org
Subject: Re: [PATCH bpf-next v3 3/3] bpf, arm64: use bpf_jit_binary_pack_alloc
Date: Tue, 20 Jun 2023 16:24:59 -0700	[thread overview]
Message-ID: <CAPhsuW7FHYpccw-YRK6ka_EX8pVDuHvhvT0myLhZOkrGjJ6=Ng@mail.gmail.com> (raw)
In-Reply-To: <20230619100121.27534-4-puranjay12@gmail.com>

On Mon, Jun 19, 2023 at 3:01 AM Puranjay Mohan <puranjay12@gmail.com> wrote:
>
> Use bpf_jit_binary_pack_alloc for memory management of JIT binaries in
> ARM64 BPF JIT. The bpf_jit_binary_pack_alloc creates a pair of RW and RX
> buffers. The JIT writes the program into the RW buffer. When the JIT is
> done, the program is copied to the final RX buffer
> with bpf_jit_binary_pack_finalize.
>
> Implement bpf_arch_text_copy() and bpf_arch_text_invalidate() for ARM64
> JIT as these functions are required by bpf_jit_binary_pack allocator.
>
> Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>

LGTM! Thanks!

Acked-by: Song Liu <song@kernel.org>

  reply	other threads:[~2023-06-20 23:25 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-19 10:01 [PATCH bpf-next v3 0/3] bpf, arm64: use BPF prog pack allocator in BPF JIT Puranjay Mohan
2023-06-19 10:01 ` [PATCH bpf-next v3 1/3] bpf: make bpf_prog_pack allocator portable Puranjay Mohan
2023-06-19 10:01 ` [PATCH bpf-next v3 2/3] arm64: patching: Add aarch64_insn_copy() Puranjay Mohan
2023-06-19 10:01 ` [PATCH bpf-next v3 3/3] bpf, arm64: use bpf_jit_binary_pack_alloc Puranjay Mohan
2023-06-20 23:24   ` Song Liu [this message]
2023-06-21 15:31   ` Mark Rutland
2023-06-21 16:24     ` Alexei Starovoitov
2023-06-21 20:57     ` Puranjay Mohan
2023-06-22  8:23       ` Mark Rutland
2023-06-22  8:47         ` Puranjay Mohan
2023-06-22  9:36           ` Mark Rutland
2023-06-20 23:40 ` [PATCH bpf-next v3 0/3] bpf, arm64: use BPF prog pack allocator in BPF JIT patchwork-bot+netdevbpf

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