From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.24 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794357398; b=upc9ZCHaDrVxSwDcKwoAFhcLsATDUUqgr2QfdGy9YXPIlVzx6JQj5tiPLnl6tCNg3OSN XvomWJGnSQaDjMjOHR1zk8eMxNjrStS69jR+MoS1Bklez4/ClKhnTPg1kHl0PevymBB7X //GkoPsaYyVSFiNgrK2ygZ0JXcrCeJ/FMtDfuXoDKqR0YvmCjreneMhgA7bJlqd7dJYas IUbJzxQ939sK1Bz2t+WKo5naopQfa1ts+5WcFtjcyr9x4Rm13xFgBxfvyb3xxSf5tp7c4 EjVrR0CO9JC7rlp2Xp7dMsy81wLPIPi9J+ldBPNCb4DjfQKTtcnJlH8JTs9MaKBxuCQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794357398; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=5xNBziimzhOKJ75khsdW/qJptdIDAbTywmzzl7xoxlQ=; b=ipgWmkoxG8/o91yr67oyE0fkj0Pxn4GnsaT/adYzEdyNWmK90pTKkGZ2z5o/buspsPUU Q07CJrKzAFs/2eS8ONL1DjN5p0OK8jNl94lRUkdrlYzIEos/N7N+fGzZMhZqD8FhRuKjg 138nxRKq9aWCh/fN+PfBQzqlWMRiucMrRyMNdRjXm1eHoSqjAtZNaL5WSFKNu/jH9bmjH 1Gm7KwKUtXnlor374ktVrQ76Cy8QYTXkG4kk+KmUpeHDdQZHXGF5tmLYsBtpp9yWYOZD3 LKdSHvjiQ+ivFQPLFZ+kttZdEz1QveoRBPgGwPFOzS51ED3pT/cjizHR9GuAXV7fqEQ== 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=PuXiNeJH; arc=none smtp.remote-ip=95.215.58.24 Received: from mta1.migadu.com (out-24.mta1.migadu.com [95.215.58.24]) (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 3A324606A321 for ; Wed, 11 Nov 2026 00:36:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 3A324606A321 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=PuXiNeJH X-Envelope-To: netdev@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=Ryq0meCWDSCEkuV5UPQQfaSOwgmbjAwNt34VPkFyn8w=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794357395; v=1; x=1794962195; b=PuXiNeJHCD7dwJbo62mzWZYiunHoHPFgBLij5Hnqq0AU69D01GnYrYwTSyE6jw/U+H8eVhzK FZwVQ8VsoslvvHUL+5KwBkkbrRr1Fuss58aJ0+AeGjUc3tkWJ7CGNubyhDeDD79vBiAOydkMKCj cCB/BkDp4bcq4COezpmIXv1I= X-Envelope-To: netdev@vger.kernel.org Received: by mta10.migadu.com with ESMTPS id 60c021cf43740dcf; Wed, 11 Nov 2026 00:36:35 +0000 X-Mizu-Trace-ID: 60c021cf43740dcf X-Migadu-Flow: FLOW_OUT Date: Wed, 11 Nov 2026 08:36:24 +0800 From: Hangbin Liu To: Bjoern Doebel Cc: Jay Vosburgh , Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shuah Khan , Hangbin Liu , Liang Li , netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] selftests: bonding: feed link monitor to deflake prio_test Message-ID: References: <20261110115354.2250237-1-doebel@amazon.de> X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261110115354.2250237-1-doebel@amazon.de> On Tue, Nov 10, 2026 at 11:53:52AM +0000, Bjoern Doebel wrote: > Hi Hangbin, > > On Thu, Nov 05, 2026 at 10:19:08AM +0800, Hangbin Liu wrote: > > If the kill fails for some reason, will we wait here forever and hang the > > entire test? > > No. bash keeps a terminated child's exit status until it is reaped, so if > the ping already exited the kill fails but the wait returns immediately. > Only a genuinely unkillable ping would block, independent of kill. The > idiomatic form is kill_process() from net/lib.sh, which short-circuits > the wait when the kill fails. Yes, that's what I mean. We need to avoid that the kill failed and the process still running. Thanks Hangbin