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From: Alexei Starovoitov <ast@fb.com>
To: Dave Marchevsky <davemarchevsky@fb.com>, bpf@vger.kernel.org
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>,
	Kernel Team <kernel-team@fb.com>, Tejun Heo <tj@kernel.org>
Subject: Re: [RFC PATCH bpf-next 03/11] bpf: Add rb_node_off to bpf_map
Date: Mon, 1 Aug 2022 15:19:59 -0700	[thread overview]
Message-ID: <fe588859-6318-475f-39a7-07c6058169e9@fb.com> (raw)
In-Reply-To: <20220722183438.3319790-4-davemarchevsky@fb.com>

On 7/22/22 11:34 AM, Dave Marchevsky wrote:

> +	case BTF_FIELD_RB_NODE:
> +		name = "rb_node";
> +		sz = sizeof(struct rb_node);
> +		align = __alignof__(struct rb_node);
> +		break;

and its usage in bpf prog:
+struct node_data {
+	struct rb_node node;
+	__u32 one;
+	__u32 two;
+};

may break from kernel to kernel.
let's wrap it into bpf_rb_node ?


  reply	other threads:[~2022-08-01 22:20 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-22 18:34 [RFC PATCH bpf-next 00/11] bpf: Introduce rbtree map Dave Marchevsky
2022-07-22 18:34 ` [RFC PATCH bpf-next 01/11] bpf: Pull repeated reg access bounds check into helper fn Dave Marchevsky
2022-07-22 18:34 ` [RFC PATCH bpf-next 02/11] bpf: Add verifier support for custom callback return range Dave Marchevsky
2022-07-22 18:34 ` [RFC PATCH bpf-next 03/11] bpf: Add rb_node_off to bpf_map Dave Marchevsky
2022-08-01 22:19   ` Alexei Starovoitov [this message]
2022-07-22 18:34 ` [RFC PATCH bpf-next 04/11] bpf: Add rbtree map Dave Marchevsky
2022-08-01 21:49   ` Alexei Starovoitov
2022-07-22 18:34 ` [RFC PATCH bpf-next 05/11] bpf: Add bpf_spin_lock member to rbtree Dave Marchevsky
2022-08-01 22:17   ` Alexei Starovoitov
2022-08-02 13:59     ` Kumar Kartikeya Dwivedi
2022-08-02 15:30       ` Alexei Starovoitov
2022-08-10 21:46     ` Kumar Kartikeya Dwivedi
2022-08-10 22:06       ` Alexei Starovoitov
2022-08-10 23:16         ` Kumar Kartikeya Dwivedi
2022-08-15  5:33       ` Yonghong Song
2022-08-15  5:37         ` Kumar Kartikeya Dwivedi
2022-07-22 18:34 ` [RFC PATCH bpf-next 06/11] bpf: Add bpf_rbtree_{lock,unlock} helpers Dave Marchevsky
2022-08-01 21:58   ` Alexei Starovoitov
2022-07-22 18:34 ` [RFC PATCH bpf-next 07/11] bpf: Enforce spinlock hold for bpf_rbtree_{add,remove,find} Dave Marchevsky
2022-07-22 18:34 ` [RFC PATCH bpf-next 08/11] bpf: Add OBJ_NON_OWNING_REF type flag Dave Marchevsky
2022-08-01 22:41   ` Alexei Starovoitov
2022-07-22 18:34 ` [RFC PATCH bpf-next 09/11] bpf: Add CONDITIONAL_RELEASE " Dave Marchevsky
2022-08-01 22:23   ` Alexei Starovoitov
2022-07-22 18:34 ` [RFC PATCH bpf-next 10/11] bpf: Introduce PTR_ITER and PTR_ITER_END type flags Dave Marchevsky
2022-07-29 16:31   ` Tejun Heo
2022-08-01 22:44   ` Alexei Starovoitov
2022-08-02 13:05     ` Kumar Kartikeya Dwivedi
2022-08-02 15:10       ` Alexei Starovoitov
2022-08-10 17:56     ` Dave Marchevsky
2022-07-22 18:34 ` [RFC PATCH bpf-next 11/11] selftests/bpf: Add rbtree map tests Dave Marchevsky
2022-07-28  7:18   ` Yonghong Song
2022-08-10 17:48     ` Dave Marchevsky
2022-07-28  7:04 ` [RFC PATCH bpf-next 00/11] bpf: Introduce rbtree map Yonghong Song
2022-08-10 17:54   ` Dave Marchevsky
2022-08-01 21:27 ` Alexei Starovoitov
2022-08-10 18:11   ` Dave Marchevsky
2022-08-02 22:02 ` Andrii Nakryiko

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