From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f42.google.com (mail-ej1-f42.google.com [209.85.218.42]) (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 92C3AED9 for ; Sat, 8 Jun 2024 07:40:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.42 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717832448; cv=none; b=WIzYpeeFZ2//s+lcGglc16z1CKIk20eLNeLFrpeJIRdqLELoUAnzHMVwNQ3EqyJVAbXgjyTHfJy9tlAxiCng099b63q9nyvOXDs52pLARmNqlyP8x2J0S1ykqx1KpOkewhtTuSJKS0JBy9Yonl7/dVjF7d+SuNtRIEuW4UDeXTc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717832448; c=relaxed/simple; bh=AxpNIteblEn/4GY1XvkEPZKmkuXDFGG9n8qrJc0vbTw=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=opSDqVs53gs25cX1Xx0O6YgA/UDSdv/N+tO588sJGPUMFFCPBP32udYqj+4Fa69Gz+XLViXeeQEeZ0Hb80dfnoaTdsJo9di0UPqZpE2+nNJsnQCvIYo2oSySf/K42ygPku9ZMcGjqR1+RtH7Ab/WL7BCjlx8UzZU3tbD5Y+8fUA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Lb9d4HoU; arc=none smtp.client-ip=209.85.218.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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="Lb9d4HoU" Received: by mail-ej1-f42.google.com with SMTP id a640c23a62f3a-a6e349c0f2bso165645666b.2 for ; Sat, 08 Jun 2024 00:40:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1717832444; x=1718437244; darn=vger.kernel.org; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :sender:from:to:cc:subject:date:message-id:reply-to; bh=+ui9jC/Xinch2NwVNkta+FJYdj2bjXrQc1vpDtK0Dp4=; b=Lb9d4HoU6Yj3miDaDecKIS07/0CYTjwAToNKrvEwRV0ZkDD/taBzUKyAA6kc7ObuWo M0t/GB94/0uZcs2R8Z3jnLCqeMdsx2EqScQm+Zrx/5elhyGOE3Ywa0PWVox7P0DkRBeE 9QMBoqBDTdnZWQqT3Dv0k/PKM1Aud6VvNsMNA5nFKBgsmntWITODBFZ4xJwla3FLZUhG pvBsFhp7F+oKAHVdTNES0/cVL612DFaHRF60yjP50C4cAAe/Zww8hiG7VtF54rMtD1Vz g/zESH8klWx407BCp5q8C8g0q1Udq4zfTC2FGP7BBEW8/ScqgoyD9a7x0m29X3cfAeIn mvww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717832444; x=1718437244; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :sender:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=+ui9jC/Xinch2NwVNkta+FJYdj2bjXrQc1vpDtK0Dp4=; b=wZP7qI9P/5aV/HsxoLmCNE/Ju0iiYDffvbOrKRv5nXPyIjLe0TjdO1brxWrtafG17F E6AIHw75HCo7CA82q0g4eb9vTs+t5toF78juxqTNk/PLoyKJ2q5xrj1yOJU/bCMonTlM rM5m/lR8OBJFl3jy5qwyXjPzR8HmbKDaACTSrlon1C6Hn5WnyX2VKvhjIaHLylVfTNIP Nk9/h3OToQXLbO5ppVhiUcktiKYo0yTnVRBESSTI32r6NnUAKh2FTeHTdgIbrBJFIhb+ EHH6CoLPlAvcZ1pyKTJ985Pl/sbQxTffUK6TkIwzSOf+yA/rIMtiClACOJuQm92+Ffmx KB8g== X-Gm-Message-State: AOJu0YzCt37g3xiN98OWBbJHBP2S5ENmvj37HCLVY8Q9RZGSWxqE8jEQ q5F+JvmMhu3TkTD3B/cOG/BwfvO40TEtwa/48CGEViOHV4xHT/qY X-Google-Smtp-Source: AGHT+IFgU+l5q4AZUZvFlJ0CkqjT70q4rEImXFLe/gEtjNW16nUVubfrxE8tOPC4XLn2GR40jCI2MQ== X-Received: by 2002:a17:907:9694:b0:a68:ab53:50e7 with SMTP id a640c23a62f3a-a6cdbd0e372mr360030466b.69.1717832444081; Sat, 08 Jun 2024 00:40:44 -0700 (PDT) Received: from gmail.com (1F2EF20A.nat.pool.telekom.hu. [31.46.242.10]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a6f073632ecsm35758866b.108.2024.06.08.00.40.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 Jun 2024 00:40:43 -0700 (PDT) Sender: Ingo Molnar Date: Sat, 8 Jun 2024 09:40:41 +0200 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Arnaldo Carvalho de Melo , Jiri Olsa , Alexander Shishkin , Mark Rutland , Namhyung Kim , Andrew Morton Subject: [GIT PULL] perf events fix Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Linus, Please pull the latest perf/urgent Git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-urgent-2024-06-08 # HEAD: 74751ef5c1912ebd3e65c3b65f45587e05ce5d36 perf/core: Fix missing wakeup when waiting for context reference Fix race between perf_event_free_task() and perf_event_release_kernel() that can result in missed wakeups and hung tasks. Thanks, Ingo ------------------> Haifeng Xu (1): perf/core: Fix missing wakeup when waiting for context reference kernel/events/core.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)