From patchwork Tue Dec 1 22:03:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hauke Mehrtens X-Patchwork-Id: 11944123 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=-13.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 46CA4C71156 for ; Tue, 1 Dec 2020 22:05:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F0BDA2085B for ; Tue, 1 Dec 2020 22:05:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=hauke-m.de header.i=@hauke-m.de header.b="KIVFsBTj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729337AbgLAWFP (ORCPT ); Tue, 1 Dec 2020 17:05:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728654AbgLAWFP (ORCPT ); Tue, 1 Dec 2020 17:05:15 -0500 Received: from mout-p-102.mailbox.org (mout-p-102.mailbox.org [IPv6:2001:67c:2050::465:102]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B16BC0617A7 for ; Tue, 1 Dec 2020 14:04:35 -0800 (PST) Received: from smtp1.mailbox.org (smtp1.mailbox.org [80.241.60.240]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-102.mailbox.org (Postfix) with ESMTPS id 4Clx3541HvzQjZj; Tue, 1 Dec 2020 23:04:33 +0100 (CET) X-Virus-Scanned: amavisd-new at heinlein-support.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hauke-m.de; s=MBO0001; t=1606860271; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JiTgdY4mqrpKzcCnzW+34YYWCt8fCbBHWkSmacktHNo=; b=KIVFsBTjbAviNhDHlcT7NffOxlxwm1b9sHM9JFrQslRrSqtSRku/ANqhpM6FcH/UM+3L5f sBVqO7/qEBwY0h5aF0KDFagM5+ZJIbAJ54N202CM9N/yCZavtjEyqEckLXkzjYNrU5xwh+ hG6AoWdUwdIXXaOlnTPkyO2yO3JKvylD7tkTiiEQEIDrtiRVqYije91vj3AexESBlMVbft PXG8mDTWdoBx5/bsDeoRKWC8vRV3sZHt2Ks2ZodNe2+bJI8EQPOASeAWtl2sda7J4vs+O3 rRxv1WUF+PUERD9nnuBKcq3GvRZkIRHEfFvkVqlhRP2bgYZNzH5RYV0Cyp7JZg== Received: from smtp1.mailbox.org ([80.241.60.240]) by spamfilter03.heinlein-hosting.de (spamfilter03.heinlein-hosting.de [80.241.56.117]) (amavisd-new, port 10030) with ESMTP id eNpbD__JzgKJ; Tue, 1 Dec 2020 23:04:30 +0100 (CET) From: Hauke Mehrtens To: backports@vger.kernel.org Cc: johannes@sipsolutions.net, Felix Fietkau , Hauke Mehrtens Subject: [PATCH 05/30] backports: add sched_set_fifo_low Date: Tue, 1 Dec 2020 23:03:50 +0100 Message-Id: <20201201220415.30582-6-hauke@hauke-m.de> In-Reply-To: <20201201220415.30582-1-hauke@hauke-m.de> References: <20201201220415.30582-1-hauke@hauke-m.de> MIME-Version: 1.0 X-MBO-SPAM-Probability: X-Rspamd-Score: -6.26 / 15.00 / 15.00 X-Rspamd-Queue-Id: ADFDF263 X-Rspamd-UID: 9545cf Precedence: bulk List-ID: X-Mailing-List: backports@vger.kernel.org From: Felix Fietkau It is needed for mt76. This was added in upsteram Linux commit 7318d4cc14c8 ("sched: Provide sched_set_fifo()") Signed-off-by: Felix Fietkau [Use WARN_ON_ONCE(sched_setscheduler_nocheck(p, SCHED_FIFO, &sparam) != 0); instead] Signed-off-by: Hauke Mehrtens --- backport/backport-include/linux/sched.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 backport/backport-include/linux/sched.h diff --git a/backport/backport-include/linux/sched.h b/backport/backport-include/linux/sched.h new file mode 100644 index 00000000..36263857 --- /dev/null +++ b/backport/backport-include/linux/sched.h @@ -0,0 +1,20 @@ +#ifndef __BACKPORT_LINUX_SCHED_H +#define __BACKPORT_LINUX_SCHED_H + +#include_next +#include + +#if LINUX_VERSION_IS_LESS(5,9,0) +#if LINUX_VERSION_IS_GEQ(4,11,0) +#include +#endif + +static inline void sched_set_fifo_low(struct task_struct *p) +{ + struct sched_param sparam = {.sched_priority = 1}; + + WARN_ON_ONCE(sched_setscheduler_nocheck(p, SCHED_FIFO, &sparam) != 0); +} + +#endif /* < 5.9.0 */ +#endif /* __BACKPORT_LINUX_SCHED_H */