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=-21.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL 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 5E22CC48BC2 for ; Wed, 23 Jun 2021 12:34:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 41BCE61076 for ; Wed, 23 Jun 2021 12:34:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230521AbhFWMhJ (ORCPT ); Wed, 23 Jun 2021 08:37:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33366 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230251AbhFWMhG (ORCPT ); Wed, 23 Jun 2021 08:37:06 -0400 Received: from mail-wm1-x34a.google.com (mail-wm1-x34a.google.com [IPv6:2a00:1450:4864:20::34a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 973A2C061574 for ; Wed, 23 Jun 2021 05:34:48 -0700 (PDT) Received: by mail-wm1-x34a.google.com with SMTP id v2-20020a7bcb420000b0290146b609814dso556663wmj.0 for ; Wed, 23 Jun 2021 05:34:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=mhqk3bJ8TzwOEMfK4Y0G6olPPNPdwc+Y9vj5xjXTf70=; b=c2Z+7d1552P121A3rXuQWByk137vnSoac10fCzUkTj44JRx3UtwsmkxXH+fe8QWhW+ 9ADtyfL19DYX8TtHbnblIhyYelSaofuND7+9qIl87UREh3pQeEeBE88eF2zcKz7L8B9b /RfUK9LfelkrpSzp/ObAJ9tNim44lg1a0/RC092ZrKbsJdTFivYcAe0MbadDI2kqRrpC QmwjqyjrNgH/UeJfekHQIbafIjHED52zOohCjlTT9w1xc6vcFVTPqn2efInglxBZbi2f 7b5D2zrEacroADcgYFEkTyDzGlAn245o79+DulAyDYyJdKmGM8eKeKKolsI4QqEYVvXO geHA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=mhqk3bJ8TzwOEMfK4Y0G6olPPNPdwc+Y9vj5xjXTf70=; b=pHYSYH20bQw16fpAkrbWINMivXJUj5Noa8T35VcX4l0NEcT3ST2rCYyacSoZ7o3lKe FrGNizsxxVle8Pb0kstln78YDDxALf6mta+zNRIZY0vMaW9V99RI9XHhyXw8A02uBKDX xEJf35xc/9EUf5TKWJSmf0CjkrJqoExhA1LXMAuzzcmXSdPzUnNWGjxrvRmxcmq48Ogd TJf8/PXdcOhik47piJSnTOgBm3shCr/t3CPeBANDU3IzZv8gtvjBkJrFFruDaOW4siAQ w4jUUpq9waxCqPukild5u7b2AmzRUkXHiWZJjEfDxsbmh0q/PPiZU6Y0bVQPl3nbMvyQ XBYA== X-Gm-Message-State: AOAM530lelMDlzpYCpmkFQKjXnR175gaKf9Ss/JFL9DhkNYybnRvb9DE qiudU8U1wNId2QKwTEbIeHE1y0ksewEG X-Google-Smtp-Source: ABdhPJx8KfieE+NfCDEln9nDGN6Xjuci5VinmNyEOsdfRf4O3q3Rf38aX/UCIpcpJdN7AgHeGizwII92SG+T X-Received: from r2d2-qp.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:1652]) (user=qperret job=sendgmr) by 2002:a1c:7219:: with SMTP id n25mr10394477wmc.3.1624451685037; Wed, 23 Jun 2021 05:34:45 -0700 (PDT) Date: Wed, 23 Jun 2021 12:34:38 +0000 Message-Id: <20210623123441.592348-1-qperret@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.32.0.288.g62a8d224e6-goog Subject: [PATCH v3 0/3] sched: A few uclamp fixes and tweaks From: Quentin Perret To: mingo@redhat.com, peterz@infradead.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, qais.yousef@arm.com, rickyiu@google.com, wvw@google.com, patrick.bellasi@matbug.net, xuewen.yan94@gmail.com Cc: linux-kernel@vger.kernel.org, kernel-team@android.com, qperret@google.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, This is the v3 of a series previously posted here: https://lore.kernel.org/r/20210610151306.1789549-1-qperret@google.com The first two patches are fixes that probably make sense on their own. The 3rd patch introduces a new RLIMIT for uclamp, which can be used to prevent userspace tasks from messing with their own uclamp requests. Thanks! Quentin Quentin Perret (3): sched: Fix UCLAMP_FLAG_IDLE setting sched: Skip priority checks with SCHED_FLAG_KEEP_PARAMS sched: Introduce RLIMIT_UCLAMP fs/proc/base.c | 1 + include/asm-generic/resource.h | 1 + include/uapi/asm-generic/resource.h | 3 +- kernel/sched/core.c | 72 ++++++++++++++++++++++------- 4 files changed, 59 insertions(+), 18 deletions(-) -- 2.32.0.288.g62a8d224e6-goog