From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (www.zeus03.de [194.117.254.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7DD1516FF3E for ; Thu, 2 May 2024 17:43:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714671793; cv=none; b=FrscHSJ065of5/vyWHjpVDnqE7Ff2vuv2Ko/0EK8gZR0J/o7yY9S49difji1CgK1jUtzc2frAL9kAbsmALpOWTnywBN1sn8Aif80OX1wY1YYZ7q+kLGAuWoQbUUCo8cWYxbzB0Pdo7IePbphQaFsGgTJF2uRl/MsgdVNRubRjLM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714671793; c=relaxed/simple; bh=Y5ekIZwPfHQZZ4zAd1mbempq7CrzxXibwR0O5Re0qNk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OANyAqgBm0vqZakWE/9G5E8uYZitTkN2shf7pXcMD8qMfDtQtjwQE5H6wkwa8voViHCI6etbeTY9uz+13B+qBDxlEb3tAt+fRaT5bvcTa0RJUwt21GmXA6wlKR0VzmPZLyDwZUX0tMSCdfYa4b5uwkT4/8B1miRkpLXt55TaB9I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=hJNP/kF9; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="hJNP/kF9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=Y5ek IZwPfHQZZ4zAd1mbempq7CrzxXibwR0O5Re0qNk=; b=hJNP/kF9066QRVxBntrp XBX1uwuVAsRaXvyqFMMzfwgxsQSmi0zvlbr575Y/JL7/obTBCHLuJBP65M+wGqrR nNPZbeGd6lIoAUCVnFchesMHy6cks+scr6Wzy1m0MDAa9eiqELEG0hrjflsIQYSZ AU4jbniV1vwUvS8RwwyjEC+ugw/1Izc6UCQjoojNbjZAfiOZfgyPMAEI9LKmxfg9 PpmIaCLMRQ8dZTmjENLhgVc2R7EvewXXiH5sQO8+KfzHo6PFa1B+mc8VGwAufVua Sht7Z0ftF1W0har40HaR7pvEsPsko2XpsDhwqvy2Rho93XhUWeGZXSnSjGiwa8MF Qw== Received: (qmail 3324393 invoked from network); 2 May 2024 19:42:58 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 2 May 2024 19:42:58 +0200 X-UD-Smtp-Session: l3s3148p1@dLpEInwX9q5ehhrT Date: Thu, 2 May 2024 19:42:57 +0200 From: Wolfram Sang To: Dirk Behme Cc: Linux-Renesas , Biju Das , Geert Uytterhoeven Subject: Re: tty: serial: sh-sci: hrtimer not properly canceled on chan_rx invalidation? Message-ID: <20240502174257.gfmk7al3qkv7jiyj@ninjato> Mail-Followup-To: Wolfram Sang , Dirk Behme , Linux-Renesas , Biju Das , Geert Uytterhoeven References: Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="jyhn2ybajmt3qznt" Content-Disposition: inline In-Reply-To: --jyhn2ybajmt3qznt Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Dirk, > using drivers/tty/serial/sh-sci.c (on 4.14.x Renesas BSP) what is quite > similar to [1] we got [2]. Do you know if the system was about to shutdown/reboot? Taking locking into account, I only see a race condition when shutting down. Perhaps it is this one already or I still haven't found it yet. --jyhn2ybajmt3qznt Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmYz0KEACgkQFA3kzBSg KbYCiA//SGZmniAt3ke2soM3ewrMGc0+W0jB7+D875ZL3JhkgvSkwIzqvYmBSmkJ qMIyUbDJuhf5JRhPPCDrhSkcS/9OJi/7a34ZDdt7/jw0YDItXhoeB+wP4nz8XBm4 sFCMEwnKzf2jPJ1gSfxsiPxonPK7WFuvRuujxSf8qAHEFIzmXKy7UW4tcxYMU36A xQWOnSZQ5aA1rhN1+Am7UgW83eiIjLjP5sci52Oyf3p0okurM1lQvmoJtgG6slbK FvcCt0raPUo/FPmFjfJeCifyPUkjFWbCFIGzJbjwymAcE5OYvTYo/LNYa2h1lH1S 5b74xg/NdN9mdfWOF0SyYUu8HPwFG15uUJar/JCf+hbObHCYHdQtMraD6XL7d/Lu EHa/XpduY/SLh7Z9YA25tAHbQb+6cXLX/ZThxEeaYwpKik83KobNQ9PHijMX7xS8 mgt3t1RKlDEujFn3fA4cXttA1A+2frXXF2LwdYRson+y6LFhaMwd4bdzA8iG9nGF 2070PnUytcbR41TCvUUIHlcBiTI9uTeXY+cJBVl+fuC+RWwK0PhQsNAN50y09c1u uwtXOKhwyQSgHHuhNOGarz4hIlDRJqVEtbMEdzX5Iu/cYmMTmT8/yDx3KSJXS9yP CpTaTBa3Dql2cAiTQF2L1Ssw+IAaeKlce/O6OGb2JZeV2T/I9wo= =T5wc -----END PGP SIGNATURE----- --jyhn2ybajmt3qznt--