From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f227.google.com (mail-pl1-f227.google.com [209.85.214.227]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3784A1F560D for ; Wed, 26 Mar 2025 17:17:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.227 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743009465; cv=none; b=sKRaHzTxGseVmG8UVPxKy+Ai3Q+G3F2n3mrJx1lzUgROD+9MtydN2mePnYu6fP92ejak3Pnbag1LQO+WuGDZm1MSZATQRsiMIEGUKRlJhos2Hg4VpXoEOJMK87Nm8av1hCUJsY86ESSKI/nZPsl7/1fHstgNkbI/zrQfkpz9kGw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743009465; c=relaxed/simple; bh=R+Y80Fl4D3XILmrZi78H6SULsEtuP/szZHrz0dbbl68=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=REXh2irOTaDigdIYZMTJCf5Rss+vxqYEE+HPn3uIl0idOUASsKou+eh5Wg7MgNCCHbYTMTHG9Z9FKnFb9LezM86FCbz6QDIcLv+aKN8XIlVD3VkecwqVW/0n2m24QD+hGXeWNghkxDU+rvT/vIImgt4G1EpYR63RY+Uxdzx+K1A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=purestorage.com; spf=fail smtp.mailfrom=purestorage.com; dkim=pass (2048-bit key) header.d=purestorage.com header.i=@purestorage.com header.b=fhVsjeVi; arc=none smtp.client-ip=209.85.214.227 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=purestorage.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=purestorage.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=purestorage.com header.i=@purestorage.com header.b="fhVsjeVi" Received: by mail-pl1-f227.google.com with SMTP id d9443c01a7336-22403cbb47fso3489335ad.0 for ; Wed, 26 Mar 2025 10:17:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=purestorage.com; s=google2022; t=1743009463; x=1743614263; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=R+Y80Fl4D3XILmrZi78H6SULsEtuP/szZHrz0dbbl68=; b=fhVsjeVibWxGja8i6E1jFRPaCSm4bGgFSNiUNeThA3L1bLPxDt80rWYj124SOQxXdE +ZPeLsz/6iE7/Q582xjwt15CSyFyVC2+mNN3nzn0w5e0qh36hDRM8sH+NEdrMg7/+IYL RuxmLAtfnfDc9c1TI9I5lap9ph4qnWSnloNypl/qcVPXrFH87Srx+ba7umPNF6TP+jv1 ZSL8bhfdQ7KCcoKb3JO2o2KVY2alk8oB/QbU0M9VFezOUmk931gRRvfYY96x0C4vYKSw b4eoqOgNgTrwjkQ1Hj5c/O921TcarZjjQJZ+fmHK4oY7rKDxdba8gKFcKwphpBqxSHfm +vAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1743009463; x=1743614263; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=R+Y80Fl4D3XILmrZi78H6SULsEtuP/szZHrz0dbbl68=; b=EKsfrQFB5pzKXPh5p3/CeGv32n3ucGugRTzxz6OrdZmDhfHGKf2hyRAHqk8mzJL1UY RzfTtX+mHARm/gBh4Yipp2BLH+w6SdoDdrl+vl/UppIVHh6NnNZBxRpVCd5d8ZQdjJ4q VtZZDhrLUiJMlrLeBqYLqC7S4qUSnMsxESXoPwWrJvCbGleRCMxLAvAl9iq0v4B+qaA7 qYX9tOTPEpTFcoVIIBpdL/nIRzevJCTHG0q+fpZtrhk1FePwfnEVAi7/adXf02347I+8 FDrhDENf+85wgEIG+/nfVNy/Zgcjmt90Y63UvLmUyKXRSZiK8O0ah8GWLue0wze11TaN C3Kw== X-Forwarded-Encrypted: i=1; AJvYcCVCXVa2R4MyW5x4iMDaS4j/CMii0tF9Thl+kXVWvCIVe/RJnnFwNVXaB/Xyl9FSE2aVuqJiTlgEqq+cLw==@vger.kernel.org X-Gm-Message-State: AOJu0YyuP1PRjB+4BzNk8W2FwfDcU93wxFGGu33Z1PHkxcDiapnYcIrO QSwaX6YOxKMPgA2U2M0BxWtLPqIC6pYkqK1vNaxcJTzV02tLIKKMZre9KnShuzteTTLlh9jPi8H ga/IvCUNx9mGC196YNvZPdtZVQin1KyAu X-Gm-Gg: ASbGncvIVUT0PO304rY+StV37sETt9Y72z+wU1BUNoZmQwAT1nPBFbQn3iu2Uw7ufMW olv/nJN33v1cgt+sw6J12k83yejSeop+X2NRaDKQdsPKQRuMcCUh1zhlWBKYwnt4UwTPOvvv67/ wwQBIz0SEofvVLzX9v4w+mJiMpJu3dHYH4MQiEEmowotF/jQTFzyk4b7+w3XAepldcb6bhpnGMS ViYidBrGuSK2z/3EeOGuwdXaXtZcZ7t5EPccsf0vGX9y5B9cIf+2I4KhbiZ3vAffKExL0311xjU D+LWKYpqw3Uq/UU4PNahH9vMTofHKUoTihNRAKt9iHNM8bi4cg== X-Google-Smtp-Source: AGHT+IHLdUa435MD/UMv1YIUu9iHHEATcWU21t6cTQMIchpUDMRQTrioGjnCdfUWBnEqYE5PKTj4eW3k//Fg X-Received: by 2002:a17:902:d54e:b0:216:7926:8d69 with SMTP id d9443c01a7336-2280491ddd1mr4238145ad.47.1743009463263; Wed, 26 Mar 2025 10:17:43 -0700 (PDT) Received: from c7-smtp-2023.dev.purestorage.com ([208.88.159.128]) by smtp-relay.gmail.com with ESMTPS id d9443c01a7336-22780f16a79sm5510215ad.47.2025.03.26.10.17.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Mar 2025 10:17:43 -0700 (PDT) X-Relaying-Domain: purestorage.com Received: from dev-ushankar.dev.purestorage.com (dev-ushankar.dev.purestorage.com [IPv6:2620:125:9007:640:7:70:36:0]) by c7-smtp-2023.dev.purestorage.com (Postfix) with ESMTP id 925D3340199; Wed, 26 Mar 2025 11:17:42 -0600 (MDT) Received: by dev-ushankar.dev.purestorage.com (Postfix, from userid 1557716368) id 85EBBE40158; Wed, 26 Mar 2025 11:17:42 -0600 (MDT) Date: Wed, 26 Mar 2025 11:17:42 -0600 From: Uday Shankar To: Ming Lei , g@purestorage.com Cc: Shuah Khan , Jens Axboe , linux-block@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/4] selftests: ublk: kublk: ignore SIGCHLD Message-ID: References: <20250325-ublk_timeout-v1-0-262f0121a7bd@purestorage.com> <20250325-ublk_timeout-v1-3-262f0121a7bd@purestorage.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Mar 26, 2025 at 11:23:25AM +0800, Ming Lei wrote: > BTW, the SIGCHLD signal is ignored by default You're right, that's a good point, this change is actually a noop. I think I got confused during test development and the -EINTR probably came from something else. I see no issues when reverting this change in my tests now, so I will drop it.