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,URIBL_BLOCKED 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 3E8DCC3F2CF for ; Fri, 28 Feb 2020 08:47:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1CDC124695 for ; Fri, 28 Feb 2020 08:47:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726378AbgB1Irb (ORCPT ); Fri, 28 Feb 2020 03:47:31 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:36105 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726005AbgB1Irb (ORCPT ); Fri, 28 Feb 2020 03:47:31 -0500 Received: from p5b06da28.dip0.t-ipconnect.de ([91.6.218.40] helo=kurt) by Galois.linutronix.de with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1j7bIt-0003sR-EZ; Fri, 28 Feb 2020 09:47:27 +0100 From: Kurt Kanzenbach To: Andy Shevchenko , Sasha Levin Cc: gregkh@linuxfoundation.org, 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 In-Reply-To: <20200227095908.GC1224808@smile.fi.intel.com> References: <158271336456142@kroah.com> <20200226233949.GC22178@sasha-vm> <20200227095908.GC1224808@smile.fi.intel.com> Date: Fri, 28 Feb 2020 09:47:16 +0100 Message-ID: <87r1yf2j57.fsf@kurt> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Hi, On Thu Feb 27 2020, Andy Shevchenko wrote: > 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 wro= te: > > ... > >> > Since this change we don't need to have custom solutions in 8250_aspee= d_vuart >> > and 8250_of drivers, thus, drop them. >> >=20 >> > 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.shevchen= ko@linux.intel.com >> > Signed-off-by: Greg Kroah-Hartman >>=20 >> For 4.14, I've worked around these missing commits: >>=20 >> 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. Thanks for backporting. Why is it trickier? > > Since it's quite old bug and not many reports so far I guess we are not in > hurry to fix that old kernels. It would be quite nice to have that in v4.9 as well. My original patch was made against that tree and tested. Thanks, Kurt --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEooWgvezyxHPhdEojeSpbgcuY8KYFAl5Y05QACgkQeSpbgcuY 8Kapzw/9HdjYJfUyxclUHQSFQDN8AifUZH87pbf2hwGAd/DlWYtmdwyim039E8S0 RpQx9TKTEobf57dT26m5cJV6FrjfTM81jNX8MMANcghYqKiVgZIDFXkO0kt6FHqb YBBKUDh17lsh8N/NduQjb7js4y50h307JzsrghRGCJEkbhjyycYafnvrHEGDIdAD XqRS3MAXKECYZhQBq0g+HYclHA+1tdcJjHtJ/YyvVIrr1K48HzV8/tSUVUYTIzod TwF2SM8BTobJLS4uyBmFc87EwLXuRXDCJibi+ozQ8qJf7PRtNj0FNLDYOeueIE3k XjEFp0oxipb/B3260moT5qxi+pmoXw+fDk9+/gL2NAYVx3zRlsqz9zB+0MENT0Pb UXSiELXa6o/GoyEqJ0WWXcJQC3NXeMrpoZLGPICqHJy+2e2qtNHoNlGwJ0GclgCK 27lgGDa0drW6kXa8qQmtNLK3NzZDuhxcDWig/WeofAHv+OCxR0Sks0of9mEuXBY3 FxOaywCF0Bu3BnvgBmVp8MW9wsCZw30FFcn9KNr0DP6kckH+8xpDZlBxaFkCUavk JgLqfeihDd03vQTAvqqBEwlBKkUZGkKIdzuWSLWJrgcO5fzvKbRi/HegVsp6sL0m AvvbeiKqR73E5RR7sbXrTxRahgUvfNbjR59qY1Kj9azxD9YLi9w= =SVA4 -----END PGP SIGNATURE----- --=-=-=--