linux-kernel - Re: [PATCH bpf-next v2 0/3] bpf, arm64: Add fsession support

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Message-ID: <CANk7y0j-RYyRRGOe+twJxebtW+mW1bPPWjR32FFQwtLZYgqbMQ@mail.gmail.com>
Date: Wed, 28 Jan 2026 19:32:12 +0000
From: Puranjay Mohan <puranjay@...nel.org>
To: Leon Hwang <leon.hwang@...ux.dev>
Cc: bpf@...r.kernel.org, Alexei Starovoitov <ast@...nel.org>, 
	Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, 
	Martin KaFai Lau <martin.lau@...ux.dev>, Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
	Yonghong Song <yonghong.song@...ux.dev>, John Fastabend <john.fastabend@...il.com>, 
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, 
	Jiri Olsa <jolsa@...nel.org>, Xu Kuohai <xukuohai@...weicloud.com>, 
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Shuah Khan <shuah@...nel.org>, 
	Menglong Dong <menglong8.dong@...il.com>, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
	kernel-patches-bot@...com
Subject: Re: [PATCH bpf-next v2 0/3] bpf, arm64: Add fsession support

On Wed, Jan 28, 2026 at 3:01 PM Leon Hwang <leon.hwang@...ux.dev> wrote:
>
> Similar to commit 98770bd4e6df ("bpf,x86: add fsession support for x86_64"),
> add fsession support on arm64.
>
> Patch #1 adds bpf_arch_supports_fsession() to prevent fsession loading
> on architectures that do not implement fsession support.
>
> Patch #2 implements fsession support in the arm64 BPF JIT trampoline.
>
> Patch #3 enables the relevant selftests on arm64, including get_func_ip,
> and get_func_args.
>
> All enabled tests pass on arm64:
>
>  cd tools/testing/selftests/bpf
>  ./test_progs -t fsession
>  #135/1   fsession_test/fsession_test:OK
>  #135/2   fsession_test/fsession_reattach:OK
>  #135/3   fsession_test/fsession_cookie:OK
>  #135     fsession_test:OK
>  Summary: 1/3 PASSED, 0 SKIPPED, 0 FAILED
>
>  ./test_progs -t get_func
>  #138     get_func_args_test:OK
>  #139     get_func_ip_test:OK
>  Summary: 2/0 PASSED, 0 SKIPPED, 0 FAILED
>
> Changes:
> v1 -> v2:
> * Add bpf_arch_supports_fsession().
>

Please fix the commit message issue detected by AI and then

For the series:

Acked-by: Puranjay Mohan <puranjay@...nel.org>
Tested-by: Puranjay Mohan <puranjay@...nel.org>