From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 A9639156C6; Fri, 22 Dec 2023 11:03:09 +0000 (UTC) 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="OHnc36/2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1703242990; x=1734778990; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=qo9kVLRTA5g9uD10OHLNcwX9WmuI9qyqNSWDkMj1SPs=; b=OHnc36/2Wv2ZCQsxVwwMGfhVOSDtRiTdhLuisJNKSAzbyzB98A44yYh/ QWDh2BEePDk/mGLRYPUABfTZiquayW3CV1NjG+yzxYXEEjUhGe9PpUWBu n0SPbkewTB5S/Ja/QKDjq96NiF7BhxTjtHnqGmnYfK+sV4R4+zxoVrgCb E/DdGxEMoTTR6slZwsTlRnYYCdQN83s8LwEJDU2qD8DmlYGU+YjcO+ruA lM4R704fmNoCrWIz6jAvrP6VJP1LZ02+1sCYESIa6LpH2apl/jyo5WR0v 6EPXKD+4+BLDeGz1gJ6yeMWvKVFRPMMd+z8XIKoJjmOnt3sC7F13Dkws0 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10931"; a="2951428" X-IronPort-AV: E=Sophos;i="6.04,296,1695711600"; d="scan'208";a="2951428" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Dec 2023 03:03:09 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10931"; a="900396146" X-IronPort-AV: E=Sophos;i="6.04,296,1695711600"; d="scan'208";a="900396146" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga004.jf.intel.com with ESMTP; 22 Dec 2023 03:03:06 -0800 Received: by black.fi.intel.com (Postfix, from userid 1001) id 5252B305; Fri, 22 Dec 2023 13:03:05 +0200 (EET) Date: Fri, 22 Dec 2023 13:03:05 +0200 From: Mika Westerberg To: Werner Sembach Cc: Andreas Noever , Michael Jamet , Yehezkel Bernat , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] thunderbolt: Reduce retry timeout to speed up boot for some devices Message-ID: <20231222110305.GF2543524@black.fi.intel.com> References: <20231220150956.230227-1-wse@tuxedocomputers.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20231220150956.230227-1-wse@tuxedocomputers.com> On Wed, Dec 20, 2023 at 04:09:56PM +0100, Werner Sembach wrote: > This is a followup to "thunderbolt: Workaround an IOMMU fault on certain > systems with Intel Maple Ridge". > > It seems like the timeout can be reduced to 250ms. This reduces the overall > delay caused by the retires to ~1s. This is about the time other things > being initialized in parallel need anyway*, so like this the effective boot > time is no longer compromised. > > *I only had a single device available for my measurements: A Clevo X170KM-G > desktop replacement notebook. > > Signed-off-by: Werner Sembach Applied to thunderbolt.git/next, thanks!