From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [217.70.183.200]) (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 2C5D41537AC for ; Wed, 5 Feb 2025 14:23:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738765425; cv=none; b=hgwhI2njkX0PRxJAXPbv6WD9XjCtx5D00ELagCTXizs18NnCARTLOArN/RNcbvs2MURk65NotDRj1KloISX5Yn9OONtzBv7eAh7u3kPAErbEIWSbNWcpCRB8iE0LyLxg375vDsQ6Yyf0RS3WmRf3/lAiV8/L5iZMVRwPwAhk60k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738765425; c=relaxed/simple; bh=QmmCd8LWQql8Pe4G/Tzut8hhJhjOiQluQMq7oei+K7s=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=XxJIn4BcCkeiMzyOtLeUh56yzlLBD5Jv+M4bPvJIiYr8eyjBTc1xLQO7XlZNCdKBv0TiDW0/m6h5SB69su+C/LMBVwgFdxnC1lxjjILVGV17W5FN6NhoGJWzcAYkwvTW7Q5KNZDNTrxUXnXOP0Apwij+A8wPg/wxYlqf+0eEMCA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=APFMFwFZ; arc=none smtp.client-ip=217.70.183.200 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="APFMFwFZ" Received: by mail.gandi.net (Postfix) with ESMTPSA id 1BBEE441AD; Wed, 5 Feb 2025 14:23:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1738765421; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HSaxWoJxywYc7VPtYsma4rWF3G3Oyrm0/IVpmxdpu7M=; b=APFMFwFZAyZLrMOoVcaf4FpJZLlBGHifFUmxUAQhkRzmiugN9L+mUT09tU9qJO+yk8fe6n 2sniki6a/qj2oIGy24UVjET5C3wUNBBgl706b3fobPnTx9pnK9gRw4g7E7NUhCqGimSXok c+mWA4HuW7T+nwFG8RsPXAHvdq8NIrtHQKkl+/X4u+wmdVXEIPgh0CKfzrUSUSsUslJ3Qk JudKIf1rlp84oY1njVq9Oi9FB6bESn0EUiEY3fmXIK6SGxkIccsRcMN533Wx1i8JzWvgh7 tCcYVCqRQ9laiCpMebUylCuclUm9SfZLVRNkcDe+BvvjCJxfXhS+eZm7A/tcEg== Date: Wed, 5 Feb 2025 15:23:40 +0100 From: Herve Codina To: Wolfram Sang Cc: Heiner Kallweit , Wolfram Sang , "linux-i2c@vger.kernel.org" , Luca Ceresoli , Thomas Petazzoni Subject: Re: [PATCH RFC] i2c: Fix deadlock on adapter removal Message-ID: <20250205152340.5effbbd5@bootlin.com> In-Reply-To: References: <71a49125-54a7-4705-b54a-a5e7cc54a78b@gmail.com> <20250205090737.3b93ab14@bootlin.com> Organization: Bootlin X-Mailer: Claws Mail 4.3.0 (GTK 3.24.43; x86_64-redhat-linux-gnu) Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvfeeilecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepfffhvfevuffkjghfohfogggtgfesthekredtredtjeenucfhrhhomhepjfgvrhhvvgcuvehoughinhgruceohhgvrhhvvgdrtghoughinhgrsegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeeviefffeegiedtleelieeghfejleeuueevkeevteegffehledtkeegudeigffgvdenucfkphepvdgrtddumegvtdgrmedvgeeimeejjeeltdemvdeitgegmegvvddvmeeitdefugemheekrgenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvrgdtudemvgdtrgemvdegieemjeejledtmedviegtgeemvgdvvdemiedtfegumeehkegrpdhhvghloheplhhotggrlhhhohhsthdpmhgrihhlfhhrohhmpehhvghrvhgvrdgtohguihhnrgessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepiedprhgtphhtthhopeifshgrodhrvghnvghsrghssehsrghnghdqvghnghhinhgvvghrihhnghdrtghomhdprhgtphhtthhopehhkhgrlhhlfigvihhtudesghhmrghilhdrtghomhdprhgtphhtthhopeifshgrsehkvghrnhgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhivdgtsehvg hgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhutggrrdgtvghrvghsohhlihessghoohhtlhhinhdrtghomhdprhgtphhtthhopehthhhomhgrshdrphgvthgriiiiohhnihessghoohhtlhhinhdrtghomh X-GND-Sasl: herve.codina@bootlin.com Hi Wolfram, On Wed, 5 Feb 2025 14:51:37 +0100 Wolfram Sang wrote: > Hi everyone, > > > Cc Luca and Thomas (they are interested in the issue). > > Thank you for this interest. > > > I tested the patch. > > > > The deadlock is no more present but I have this new issue using the exact > > same command as the one I used to detect the deadlock: > > As this seems to be a more complicated issue, I sent out reverts for the > original patches now. This removes the stress of finding a solution > soonish. We now have time to find something proper, test it thoroughly, > etc... > > I hope you guys will still help Heiner with tests? Will do my best. Best regards, Hervé