From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f173.google.com (mail-pl1-f173.google.com [209.85.214.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AD4E62147F9 for ; Fri, 29 May 2026 13:29:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780061360; cv=none; b=JARd1JzK/Hr5vpNA9S3qC/fNKD994tnt61iSTBXT3O/J9Ctjn95OOl3PUyzR1PIzjzIReWb6V73nWZEhgDdiqnjQv/PraAufvoEotn5QznLrtXTUkvrIBSfbNMvmWJlWRWmcdb/iI/LR5SbTn4iBni0Njb/vxVihqXvZRSs6sjw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780061360; c=relaxed/simple; bh=xoDgjyMjsXOxMKmmsQxl1P85BK76RRHF6t0cYxgJjmg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=DBU2f2Qf75YOmVLL3VQCGDzooavnFKBn6x8QgoNUxZFsQcyOgEEcCZo5MHdWQstamLTrsf+PB+IKDx5W5yqmW1B/yJXs+rLIYaI8gHqMofTicI35qugizAYaObSihif3dlgeoV4Mynqy+zAN1tdnOGvjLLIqxefB8n6thPVwLIw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=hYPOdap+; arc=none smtp.client-ip=209.85.214.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="hYPOdap+" Received: by mail-pl1-f173.google.com with SMTP id d9443c01a7336-2bcd730e090so110505275ad.2 for ; Fri, 29 May 2026 06:29:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780061359; x=1780666159; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=xoDgjyMjsXOxMKmmsQxl1P85BK76RRHF6t0cYxgJjmg=; b=hYPOdap+s6HY+weUZmpExFyVkbgEVbxFKIJ3I+St1rHoSpIna24bSTTF+2qMxDdxUg nrugFTSTg8ojb7FIwzi4E81qclq+t0oHUcTvkYtduP1pq8WS+mm14g1irCpsmdnSBr/g mUEzqZWwZHVPlHVqwGngT7OxftZmxEXE2A8LOC72EfleGRgYg2a28f62bG+oVtZeDiNL JkQka31++MLB5O6Z5SZDwk02DdNc8J77M/aBFgGE75ybtyKzShNmlXdhzkFFrg2ivT8L Ru7vpJLdY3hXfeXLoQ29mpEaK8kCdTasY8fGzAiaVwXjeu6wcxK4H6+IJO6wteLq+yu/ Pqnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780061359; x=1780666159; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=xoDgjyMjsXOxMKmmsQxl1P85BK76RRHF6t0cYxgJjmg=; b=L6pjd3dxvsNN1HatZozmeoZ5ikPVwy65Bmp9CxzxMdar5sP0oos/hfM31mlMwOjJxH KVgdDErzMnhbZ4XuDI3ueRbzZz/UwZYBinPC7s/QSovRDplPuiLOaxNHnwOTPDPY7ylA 9M5lpvjrcqAHaKqs5nYZ6kdwjqkW9FPR6pONNCQ2ISk1SctTV/mUPyhXDAF2xsNYbxQQ yUJUirfxf3lIz3t9vHBm7WffGDn7YCXDd3WBAvFWfLVp4yyzZN6WeoFw8MDDswTa7t/s otogZkZKS7EjLnc/ilDvWg8czcpWTuJIDLPfMwK91GCK4xAAlCFRqtASOORRZATO8VIG 2Hkg== X-Forwarded-Encrypted: i=1; AFNElJ+QUy1+KccTfEdA3oRjMOEFfZ6HHv3fw/SjvcVABDztNQBmEHoLtcqv7VqsWUTVUsh8xvJjufkKZNJ/8cI=@vger.kernel.org X-Gm-Message-State: AOJu0YyQhM56+ZoMtcicBr1hgouj83xYNQK/4HF+MdecY1Fsb7NS/MRc mkSNvdScBY9h3M2/+EXlAmO8Zcn4RLB5djpewfOEm1V986WKJNhc7cY7 X-Gm-Gg: Acq92OE7bHXs7JXWBPqnFLYVgnd9KvAAHrtfDWTym1AlrBGrZys90HS3PaTmIIaempw GzTV8RGyP3gX4A5LNFC+VdEkvJkpsTS4S4+pQCvpW2virWOK7bRn307q56rXD4P4rfu82qvqr8J PzKWIy/lm/LFpZ6JCkWiGHpA6+vBhdk5QPu/hbdjjZ91Hc5AMo9WosFeNDaUwRXf0jxLcMdOuNd UotXvQbhDwvGPKz2UUyfW2Tw+ceCuJzicDOE76lu4ls07tqnlkqi8V6tV7Jr1XrH9fdH80QIOhe mtkn7Mm1ALnrAVv4UVAFgGL9DEDkBkcDUIFqPi/OoXv3nQVYcNrV0lmJl7RhOrtJf3JiyfXxkip zhmCf+/w3mCTnpjeQ3E94LJHT/yozqPVq9ooIdW4b39Aqt1PM7fs+mudMoeGonIdACF3PUZhZuI zsbwom58Yphh5R9XHj0hKr69YLgI3vKJTCkmTw47/JqC9E6tA9rfWA1OBDFiy7sGcfMSW3KkfWz T+m+U5Z5P7b X-Received: by 2002:a17:902:e744:b0:2ba:4e84:966 with SMTP id d9443c01a7336-2bf20bd7939mr36233685ad.36.1780061358644; Fri, 29 May 2026 06:29:18 -0700 (PDT) Received: from mi-HP-ProDesk-600-G5-PCI-MT.mioffice.cn ([43.224.245.239]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2bf239e7024sm21300015ad.6.2026.05.29.06.29.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 May 2026 06:29:18 -0700 (PDT) From: "Guanyou.Chen" X-Google-Original-From: "Guanyou.Chen" To: Peter Zijlstra Cc: Ingo Molnar , Thomas Gleixner , chenguanyou@xiaomi.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 0/2] sched/fork: fix timer_slack_ns for children of RT tasks Date: Fri, 29 May 2026 21:29:02 +0800 Message-Id: <20260529132902.2699687-1-chenguanyou@xiaomi.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260522131000.1664983-1-chenguanyou@xiaomi.com> References: <20260522131000.1664983-1-chenguanyou@xiaomi.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Peter, Gentle ping on v3 of this series. It addresses concerns from Cunlong and Prateek by only changing inheritance for RT/DL parents, preserving documented non-RT behavior. Thanks Guanyou