From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0DD7C4BA3D for ; Thu, 27 Feb 2020 09:59:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A586A222C2 for ; Thu, 27 Feb 2020 09:59:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728653AbgB0J7J (ORCPT ); Thu, 27 Feb 2020 04:59:09 -0500 Received: from mga02.intel.com ([134.134.136.20]:33573 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728627AbgB0J7J (ORCPT ); Thu, 27 Feb 2020 04:59:09 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Feb 2020 01:59:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,491,1574150400"; d="scan'208";a="285280945" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by FMSMGA003.fm.intel.com with ESMTP; 27 Feb 2020 01:59:06 -0800 Received: from andy by smile with local (Exim 4.93) (envelope-from ) id 1j7Fwi-005948-Gg; Thu, 27 Feb 2020 11:59:08 +0200 Date: Thu, 27 Feb 2020 11:59:08 +0200 From: Andy Shevchenko To: Sasha Levin Cc: gregkh@linuxfoundation.org, kurt@linutronix.de, lirongqing@baidu.com, stable@vger.kernel.org, vikram.pandita@ti.com Subject: Re: FAILED: patch "[PATCH] serial: 8250: Check UPF_IRQ_SHARED in advance" failed to apply to 4.14-stable tree Message-ID: <20200227095908.GC1224808@smile.fi.intel.com> References: <158271336456142@kroah.com> <20200226233949.GC22178@sasha-vm> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200226233949.GC22178@sasha-vm> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Wed, Feb 26, 2020 at 06:39:49PM -0500, Sasha Levin wrote: > On Wed, Feb 26, 2020 at 11:36:04AM +0100, gregkh@linuxfoundation.org wrote: ... > > Since this change we don't need to have custom solutions in 8250_aspeed_vuart > > and 8250_of drivers, thus, drop them. > > > > Fixes: 1c2f04937b3e ("serial: 8250: add IRQ trigger support") > > Reported-by: Li RongQing > > Cc: Kurt Kanzenbach > > Cc: Vikram Pandita > > Signed-off-by: Andy Shevchenko > > Cc: stable > > Acked-by: Kurt Kanzenbach > > Link: https://lore.kernel.org/r/20200211135559.85960-1-andriy.shevchenko@linux.intel.com > > Signed-off-by: Greg Kroah-Hartman > > For 4.14, I've worked around these missing commits: > > 5909c0bf9c7a ("serial/aspeed-vuart: Implement quick throttle mechanism") > 989983ea849d ("serial/aspeed-vuart: Implement rx throttling") > 54e53b2e8081 ("tty: serial: 8250: pass IRQ shared flag to UART ports") Thanks! > And queued up a backport. Older kernels are a bit trickier than that. Since it's quite old bug and not many reports so far I guess we are not in hurry to fix that old kernels. -- With Best Regards, Andy Shevchenko