From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="GxOXH515" Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DE2493 for ; Thu, 30 Nov 2023 06:43:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701355439; x=1732891439; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=3guT14zXZgHgtlJbknS7mtsNt8acV2zJJEJZDMIWO5U=; b=GxOXH515W7H56heADnIl9NznD60LrHng4DH4gEIP8byGgmt0Ma1Vp347 Emt+6cKTF3//F+PrFh76psuO4tqCU8UOjdv3z5LtH7ijuUBowo3VlUCdM JXYYntYArnVL+K5qXvYmScKuWqOjIteQq3p7GWu7jqWsOdV6+3mh+KKCO enJRnryrTtbwd3m/NCfsOYnnjxxP2a1uPC48wzBfcsQM+9PaZy/Vpsujf neKvXM8PRrr7pggoJ8J2FR5FKe7fL65uQVWau6ctO3zb713qaP/uVPOuy 6MmqVQYsavqX070ZwvORQ2DWklAuopyD5QTeVws7utUdKucsZqGipgi41 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10910"; a="479533908" X-IronPort-AV: E=Sophos;i="6.04,239,1695711600"; d="scan'208";a="479533908" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2023 06:43:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10910"; a="892822837" X-IronPort-AV: E=Sophos;i="6.04,239,1695711600"; d="scan'208";a="892822837" Received: from smile.fi.intel.com ([10.237.72.54]) by orsmga004.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2023 06:43:57 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.97) (envelope-from ) id 1r8iGg-00000000ivX-0CO3; Thu, 30 Nov 2023 16:43:54 +0200 Date: Thu, 30 Nov 2023 16:43:53 +0200 From: Andy Shevchenko To: "Michael C. Pratt" Cc: Ilpo =?iso-8859-1?Q?J=E4rvinen?= , linux-serial , Greg Kroah-Hartman , Jiri Slaby , Wander Lairson Costa , Vamshi Gajjela Subject: Re: [PATCH] serial/8250: Set fifo timeout with uart_fifo_timeout() Message-ID: References: <20231125063552.517-1-mcpratt@pm.me> <26d2d26-7ead-b62-4636-bb34da636cf0@linux.intel.com> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo On Thu, Nov 30, 2023 at 09:52:19AM +0000, Michael C. Pratt wrote: > On Tuesday, November 28th, 2023 at 07:22, Ilpo Järvinen wrote: ... > With the pre-git-history git repo from archive.org, I have traced the > first instance of the comment ".02 seconds of slop" to Linux 2.1.15. Side note: Add a remote to the history.git by History group from kernel.org (it's tag based, but allow you to browse deep to Linux 0.01): history git://git.kernel.org/pub/scm/linux/kernel/git/history/history.git (fetch) $ git log --oneline --no-merges 0.10 fa1ec1000cf9 (tag: 0.10) Linux 0.10 (November 11, 1991 ???) bb441db1a90a Linux-0.01 (September 17, 1991) -- With Best Regards, Andy Shevchenko