From: Puranjay Mohan <puranjay12@gmail.com>
To: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Zi Shen Lim <zlim.lnx@gmail.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: puranjay12@gmail.com
Subject: [PATCH bpf-next v2 0/1] bpf, arm64: Support Exceptions
Date: Sun, 17 Sep 2023 00:00:44 +0000 [thread overview]
Message-ID: <20230917000045.56377-1-puranjay12@gmail.com> (raw)
Changes in V1->V2:
V1: https://lore.kernel.org/all/20230912233942.6734-1-puranjay12@gmail.com/
- Remove exceptions from DENYLIST.aarch64 as they are supported now.
The base support for exceptions was merged with [1] and it was enabled for
x86-64.
This patch enables the support on ARM64, all sefltests are passing:
# ./test_progs -a exceptions
#74/1 exceptions/exception_throw_always_1:OK
#74/2 exceptions/exception_throw_always_2:OK
#74/3 exceptions/exception_throw_unwind_1:OK
#74/4 exceptions/exception_throw_unwind_2:OK
#74/5 exceptions/exception_throw_default:OK
#74/6 exceptions/exception_throw_default_value:OK
#74/7 exceptions/exception_tail_call:OK
#74/8 exceptions/exception_ext:OK
#74/9 exceptions/exception_ext_mod_cb_runtime:OK
#74/10 exceptions/exception_throw_subprog:OK
#74/11 exceptions/exception_assert_nz_gfunc:OK
#74/12 exceptions/exception_assert_zero_gfunc:OK
#74/13 exceptions/exception_assert_neg_gfunc:OK
#74/14 exceptions/exception_assert_pos_gfunc:OK
#74/15 exceptions/exception_assert_negeq_gfunc:OK
#74/16 exceptions/exception_assert_poseq_gfunc:OK
#74/17 exceptions/exception_assert_nz_gfunc_with:OK
#74/18 exceptions/exception_assert_zero_gfunc_with:OK
#74/19 exceptions/exception_assert_neg_gfunc_with:OK
#74/20 exceptions/exception_assert_pos_gfunc_with:OK
#74/21 exceptions/exception_assert_negeq_gfunc_with:OK
#74/22 exceptions/exception_assert_poseq_gfunc_with:OK
#74/23 exceptions/exception_bad_assert_nz_gfunc:OK
#74/24 exceptions/exception_bad_assert_zero_gfunc:OK
#74/25 exceptions/exception_bad_assert_neg_gfunc:OK
#74/26 exceptions/exception_bad_assert_pos_gfunc:OK
#74/27 exceptions/exception_bad_assert_negeq_gfunc:OK
#74/28 exceptions/exception_bad_assert_poseq_gfunc:OK
#74/29 exceptions/exception_bad_assert_nz_gfunc_with:OK
#74/30 exceptions/exception_bad_assert_zero_gfunc_with:OK
#74/31 exceptions/exception_bad_assert_neg_gfunc_with:OK
#74/32 exceptions/exception_bad_assert_pos_gfunc_with:OK
#74/33 exceptions/exception_bad_assert_negeq_gfunc_with:OK
#74/34 exceptions/exception_bad_assert_poseq_gfunc_with:OK
#74/35 exceptions/exception_assert_range:OK
#74/36 exceptions/exception_assert_range_with:OK
#74/37 exceptions/exception_bad_assert_range:OK
#74/38 exceptions/exception_bad_assert_range_with:OK
#74/39 exceptions/non-throwing fentry -> exception_cb:OK
#74/40 exceptions/throwing fentry -> exception_cb:OK
#74/41 exceptions/non-throwing fexit -> exception_cb:OK
#74/42 exceptions/throwing fexit -> exception_cb:OK
#74/43 exceptions/throwing extension (with custom cb) -> exception_cb:OK
#74/44 exceptions/throwing extension -> global func in exception_cb:OK
#74/45 exceptions/exception_ext_mod_cb_runtime:OK
#74/46 exceptions/throwing extension (with custom cb) -> global func in exception_cb:OK
#74/47 exceptions/exception_ext:OK
#74/48 exceptions/non-throwing fentry -> non-throwing subprog:OK
#74/49 exceptions/throwing fentry -> non-throwing subprog:OK
#74/50 exceptions/non-throwing fentry -> throwing subprog:OK
#74/51 exceptions/throwing fentry -> throwing subprog:OK
#74/52 exceptions/non-throwing fexit -> non-throwing subprog:OK
#74/53 exceptions/throwing fexit -> non-throwing subprog:OK
#74/54 exceptions/non-throwing fexit -> throwing subprog:OK
#74/55 exceptions/throwing fexit -> throwing subprog:OK
#74/56 exceptions/non-throwing fmod_ret -> non-throwing subprog:OK
#74/57 exceptions/non-throwing fmod_ret -> non-throwing global subprog:OK
#74/58 exceptions/non-throwing extension -> non-throwing subprog:OK
#74/59 exceptions/non-throwing extension -> throwing subprog:OK
#74/60 exceptions/non-throwing extension -> non-throwing subprog:OK
#74/61 exceptions/non-throwing extension -> throwing global subprog:OK
#74/62 exceptions/throwing extension -> throwing global subprog:OK
#74/63 exceptions/throwing extension -> non-throwing global subprog:OK
#74/64 exceptions/non-throwing extension -> main subprog:OK
#74/65 exceptions/throwing extension -> main subprog:OK
#74/66 exceptions/reject_exception_cb_type_1:OK
#74/67 exceptions/reject_exception_cb_type_2:OK
#74/68 exceptions/reject_exception_cb_type_3:OK
#74/69 exceptions/reject_exception_cb_type_4:OK
#74/70 exceptions/reject_async_callback_throw:OK
#74/71 exceptions/reject_with_lock:OK
#74/72 exceptions/reject_subprog_with_lock:OK
#74/73 exceptions/reject_with_rcu_read_lock:OK
#74/74 exceptions/reject_subprog_with_rcu_read_lock:OK
#74/75 exceptions/reject_with_rbtree_add_throw:OK
#74/76 exceptions/reject_with_reference:OK
#74/77 exceptions/reject_with_cb_reference:OK
#74/78 exceptions/reject_with_cb:OK
#74/79 exceptions/reject_with_subprog_reference:OK
#74/80 exceptions/reject_throwing_exception_cb:OK
#74/81 exceptions/reject_exception_cb_call_global_func:OK
#74/82 exceptions/reject_exception_cb_call_static_func:OK
#74/83 exceptions/reject_multiple_exception_cb:OK
#74/84 exceptions/reject_exception_throw_cb:OK
#74/85 exceptions/reject_exception_throw_cb_diff:OK
#74/86 exceptions/reject_set_exception_cb_bad_ret1:OK
#74/87 exceptions/reject_set_exception_cb_bad_ret2:OK
#74/88 exceptions/check_assert_eq_int_min:OK
#74/89 exceptions/check_assert_eq_int_max:OK
#74/90 exceptions/check_assert_eq_zero:OK
#74/91 exceptions/check_assert_eq_llong_min:OK
#74/92 exceptions/check_assert_eq_llong_max:OK
#74/93 exceptions/check_assert_lt_pos:OK
#74/94 exceptions/check_assert_lt_zero:OK
#74/95 exceptions/check_assert_lt_neg:OK
#74/96 exceptions/check_assert_le_pos:OK
#74/97 exceptions/check_assert_le_zero:OK
#74/98 exceptions/check_assert_le_neg:OK
#74/99 exceptions/check_assert_gt_pos:OK
#74/100 exceptions/check_assert_gt_zero:OK
#74/101 exceptions/check_assert_gt_neg:OK
#74/102 exceptions/check_assert_ge_pos:OK
#74/103 exceptions/check_assert_ge_zero:OK
#74/104 exceptions/check_assert_ge_neg:OK
#74/105 exceptions/check_assert_range_s64:OK
#74/106 exceptions/check_assert_range_u64:OK
#74/107 exceptions/check_assert_single_range_s64:OK
#74/108 exceptions/check_assert_single_range_u64:OK
#74/109 exceptions/check_assert_generic:OK
#74/110 exceptions/check_assert_with_return:OK
#74 exceptions:OK
Summary: 1/110 PASSED, 0 SKIPPED, 0 FAILED
[1] https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?h=for-next&id=ec6f1b4db95b7eedb3fe85f4f14e08fa0e9281c3
Puranjay Mohan (1):
bpf, arm64: support exceptions
arch/arm64/net/bpf_jit_comp.c | 98 ++++++++++++++++----
tools/testing/selftests/bpf/DENYLIST.aarch64 | 1 -
2 files changed, 79 insertions(+), 20 deletions(-)
--
2.40.1
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next reply other threads:[~2023-09-17 0:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-17 0:00 Puranjay Mohan [this message]
2023-09-17 0:00 ` [PATCH bpf-next v2 1/1] bpf, arm64: support exceptions Puranjay Mohan
2023-09-17 1:50 ` Kumar Kartikeya Dwivedi
2023-09-18 14:15 ` Xu Kuohai
2023-09-21 13:16 ` Puranjay Mohan
2023-09-21 13:53 ` Xu Kuohai
2023-09-21 14:28 ` Puranjay Mohan
2023-11-02 16:59 ` Mark Rutland
2023-11-06 9:04 ` Puranjay Mohan
2023-11-08 10:32 ` Mark Rutland
2023-11-13 22:53 ` Puranjay Mohan
2023-11-16 17:03 ` Mark Rutland
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