From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 9AF5C272817 for ; Fri, 13 Jun 2025 08:48:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749804521; cv=none; b=mIZ4P6666LrpY9H+c9v1KP/zm6DxZYzIdYnosXPiP6yGYjYEG4fplYlym4KUZXhJ03HrKETCyb0lYMpZW4qZI0pv+63afi70CZ8WK8nxyZ95trMzrI+mQ7WA+a1oe3HZEPV3LgfWNWLLcsm7WsTRxmXQfDpmXTWXVm5KCIkuHRs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749804521; c=relaxed/simple; bh=n/QFnQGQ4EB6B9Nni15cfoa1weo9vIdAacjQN+HA/E4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MuUwEW+rq/j6T/SgWGTCLyFr2X/kFzjRm3T4OJGq3k5ngDEZq82OqxZC/RS7IdPyTtOJXaQtCLXVjnHQ/vIej7Gg3vYEgS3EQlUDvnLWHV+P9NF4hutX28PolTrtGEBu1vuvS1Whqlbmqp//RMUm7iBlXWas1oLoEooEeLibjDw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=b6M3m/hd; arc=none smtp.client-ip=192.198.163.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="b6M3m/hd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1749804519; x=1781340519; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=n/QFnQGQ4EB6B9Nni15cfoa1weo9vIdAacjQN+HA/E4=; b=b6M3m/hdH5GDaVKnmj438wcNOl+cvZCaEKZof7/B3H3N/r2YnZb1+Bok EizkH78vLdkMql9UKppa+yNeBc3FqkYRuNzfIArZrhpQd3ds/PL68UzqN nYUO6+JSxZYqe7WnUOO8O5RK7FXRclc8miHSVJcNuauLaFc65zU1S4i8x NPWvFK/AzlDW5O6xRtcaYwIecOM35+UTXgs0i4NeoV1yZASZKv3uHI0U7 wf7UnusSErYlJ9G0lt8FPn1sFZywwM8BVXhUQa9xeQ4x1QqPA7YbW04o0 fLi6ojRJYr3AggBJHmQ5tBf4ctEDc5Al6m0u11r2L5i64HTFiG15JXunS g==; X-CSE-ConnectionGUID: J9WCJLc8Q/GCJeGQoh4EfA== X-CSE-MsgGUID: DdCZ+sueTwOc0GOEdkr/aQ== X-IronPort-AV: E=McAfee;i="6800,10657,11462"; a="51238423" X-IronPort-AV: E=Sophos;i="6.16,233,1744095600"; d="scan'208";a="51238423" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jun 2025 01:48:39 -0700 X-CSE-ConnectionGUID: QPMAclAjTCa3tvB/CHiDmQ== X-CSE-MsgGUID: tAPWA51gRTySvyrRwVB5XQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,233,1744095600"; d="scan'208";a="152668190" Received: from smile.fi.intel.com ([10.237.72.52]) by fmviesa005.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jun 2025 01:48:38 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.98.2) (envelope-from ) id 1uQ05T-00000006ByQ-2epz; Fri, 13 Jun 2025 11:48:35 +0300 Date: Fri, 13 Jun 2025 11:48:35 +0300 From: Andy Shevchenko To: Anna-Maria Behnsen , linux-kernel@vger.kernel.org Cc: Andrew Morton Subject: Re: [PATCH v1 1/1] iopoll: Use fsleep() instead of usleep_range() Message-ID: References: <20250502134346.4146857-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20250502134346.4146857-1-andriy.shevchenko@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Fri, May 02, 2025 at 04:43:45PM +0300, Andy Shevchenko wrote: > Use fsleep() instead of usleep_range() to improve small time delays > by avoiding the timer use. With this, use slightly bigger initial > delays then was passed to usleep_range(). Any comments anybody? -- With Best Regards, Andy Shevchenko