From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.89 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794190515; b=UJ1XILl6ewm7nXDR91c10j67TRMKGINPU4NyPiuteBiYHNTPyxYpjzxT6HBVD07h9n4R catMQApYi/vK1xdsrqPaDZUTNFHjvTe54lAsbM5N3tWtPdWKUAEMeohl1C7QdB+KOLqo2 gpMnR6JJxFjNOJxkUZxfUYe81bmS9115ch9Z29gVWyhcj/A1XoA3pv23erjNkSXj6c+ry WltfSYMPxzhQGdmI5dH5nw7MgET75at0SXNZESxFs0GbxmlGTnC5eYO4Hkb3Zy3DgPGwt vGGLa53+Ct1KXCWjt5z8X/fme87I92fs4krY4gn/gLjSP3+BsAInAiFW7HKOvrAy69g== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794190515; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Message-ID:Date:MIME-Version:User-Agent: Subject:To:Cc:References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding; bh=bIloYSK3+4K/KkpgHLmr3ED9jzQvebQcrpQM//1CZGo=; b=f5NiHfRa/zuLuLce+vyyWxhPmjnQCzmk1+BYG710biOhVQvSL2kDjZNjjLLh1VR0BPmk pmI2xNDHp3xfLqnsR8niav+xeT8QG3m/1rgo8D/AFYJeCR6HLO81R4ZgUl9zfCOsoyTLM khuRo0o2DSE+5QjlGh5qyOoWBw9zdNd1Kh/xfOMIeYo8BSoWBoYfkXqr/L973p1go8ziB ymJRDLDLPx/qxiLfF2Vwy+5URrhDGZ/FtZsLzcHVXHxcrSteZCmqnVAmpwpwn9iir9WKa YcK4TL4YytIFYlDmG1wnQrubM+Sel3C7gQjXRv78Q6cztzmMkB1G1sTLQfFSJvoh1mw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=udR3DneT; arc=none smtp.remote-ip=95.215.58.89 Received: from mta1.migadu.com (out-89.mta1.migadu.com [95.215.58.89]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 919D8606A331 for ; Mon, 9 Nov 2026 02:15:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 919D8606A331 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=udR3DneT X-Envelope-To: linux-doc@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=8n8V1yRl+iYZ7zK/bT1eTEsTmfpO4TUveKPsBFyRf8k=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794190512; v=1; x=1794795312; b=udR3DneToBEvMoaeDcHjOoMjZATEMn6ZYTkHnMud7IblzxtpDrcAC8Qo76xJE2dcfZRGkNc7 PMXnw06ZhwxED3zp/bvHBOw7IRLleKqIuzrvnRmWGLCwnrm0ISfUpqwME2vJu/HdII9Nndywwvs iWcDAJKXEom5XkFNS90j2Wn0= X-Envelope-To: linux-doc@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id e4b351546fe3877f; Mon, 09 Nov 2026 02:15:07 +0000 X-Mizu-Trace-ID: e4b351546fe3877f X-Migadu-Flow: FLOW_OUT Message-ID: <65d109ab-3dca-4521-bc1d-bb1f8810bb14@linux.dev> Date: Mon, 9 Nov 2026 10:14:57 +0800 X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH bpf-next v3 1/8] selftests/bpf: Remove sockmap update from bpf_iter_unix To: Michal Luczaj , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Martin KaFai Lau , Song Liu , Yonghong Song , Jiri Olsa , Emil Tsalapatis , Ihor Solodrai , Shuah Khan , John Fastabend , Eric Dumazet , Kuniyuki Iwashima , Paolo Abeni , Willem de Bruijn , Jakub Sitnicki , Jiayuan Chen , "David S. Miller" , Jakub Kicinski , Simon Horman , Jonathan Corbet , Shuah Khan , Randy Dunlap , Stanislav Fomichev Cc: bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-doc@vger.kernel.org References: <20261107-sockmap-update-limit-iter-v3-0-7c0bad1ad036@rbox.co> <20261107-sockmap-update-limit-iter-v3-1-7c0bad1ad036@rbox.co> From: Jiayuan Chen In-Reply-To: <20261107-sockmap-update-limit-iter-v3-1-7c0bad1ad036@rbox.co> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/8/26 1:58 AM, Michal Luczaj wrote: > BPF iterator programs that can update sockmaps will be limited to > iter/sockmap. Remove the update from the unix selftest. > > This reverts commit 997b8483d44c ("selftests/bpf: Extend bpf_iter_unix to > attempt deadlocking"). > > Signed-off-by: Michal Luczaj Reviewed-by: Jiayuan Chen > --- > tools/testing/selftests/bpf/progs/bpf_iter_unix.c | 10 ---------- > 1 file changed, 10 deletions(-) > > diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_unix.c b/tools/testing/selftests/bpf/progs/bpf_iter_unix.c > index 3061b148f338..90beada0386d 100644 > --- a/tools/testing/selftests/bpf/progs/bpf_iter_unix.c > +++ b/tools/testing/selftests/bpf/progs/bpf_iter_unix.c > @@ -7,13 +7,6 @@ > > char _license[] SEC("license") = "GPL"; > > -SEC(".maps") struct { > - __uint(type, BPF_MAP_TYPE_SOCKMAP); > - __uint(max_entries, 1); > - __type(key, __u32); > - __type(value, __u64); > -} sockmap; > - > static long sock_i_ino(const struct sock *sk) > { > const struct socket *sk_socket = sk->sk_socket; > @@ -82,8 +75,5 @@ int dump_unix(struct bpf_iter__unix *ctx) > > BPF_SEQ_PRINTF(seq, "\n"); > > - /* Test for deadlock. */ > - bpf_map_update_elem(&sockmap, &(int){0}, sk, 0); > - > return 0; > } >