From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D25EC1758B for ; Thu, 22 May 2025 02:03:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747879434; cv=none; b=OVCwhGi3HBBJEc6o2hgoINvc4KXGo/6482faQoSYpvzam498nJ2jO1APMl01eBS0urKE6UKjz/exMU5AaBiRyB8y4SbT7N/YWrmtZevutY5O6wTIihTESTKSDhwvbS2LG9DLVA+Unyr7Ng6XlvpzZSc4BQ9OZBcZWrdqba7eNKg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747879434; c=relaxed/simple; bh=xx3cIpIqyd7+OVNKVeA256J6ydho3MJZzqdp/WwuBa8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=kqgeW+qY0JmT9DIqe3jM+Vd9rHjkTgZK6MD/UZI+hw/UOLNXnxo4ThLFu/jL7O66FNFxQb7klO8tdngPHiIoGQ0DIPVZi6l8zxFt5XEbkWuaI8I8k6ogvT4u0RhT838MX/61dXmgd/wsYJQt6vw1qThKRlMt+YUsVcGPYRlqYCE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YQTGMiwW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YQTGMiwW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE257C4CEE4; Thu, 22 May 2025 02:03:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747879434; bh=xx3cIpIqyd7+OVNKVeA256J6ydho3MJZzqdp/WwuBa8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YQTGMiwWdEcmAsnKD5SvJLMexoMmBrqbWAzHpJ6lMv/vSU0SDY8brIb94AWlsBSN/ kc3zqw9Vc/4vYXXfwaJ14IyHmyhxOVMEiZg8XKCumjwKXNTaV66Cy7JYWmI0f3vN7q DX3XNAN24WcZDv6tU5K5WEfuns/+9dkSg3jVstKkHHXDV7jJftN6+jWv8p9uApx+VT H581bYCjOSwby4IUngS/OROfpGwk0SSlCj+x1nQQrcOTph4NUdHb8LMLF/zjqz2cBp fcCQXZUX+Gvk4+kLmUYk72WWTblMsunFygN2gtsfr/SfqXgwQMk7qGQuBmUFW11Izs 0FGm3ue66VRgA== From: Sasha Levin To: stable@vger.kernel.org Cc: Zhaoyang Li , Sasha Levin Subject: Re: [PATCH 6.1.y] hrtimers: Force migrate away hrtimers queued after CPUHP_AP_HRTIMERS_DYING Date: Wed, 21 May 2025 22:03:50 -0400 Message-Id: <20250521145353-5e9f6a84b5aa803f@stable.kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250521020216.539748-1-lizy04@hust.edu.cn> References: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Sasha's backport helper bot ] Hi, ✅ All tests passed successfully. No issues detected. No action required from the submitter. The upstream commit SHA1 provided is correct: 53dac345395c0d2493cbc2f4c85fe38aef5b63f5 WARNING: Author mismatch between patch and upstream commit: Backport author: Zhaoyang Li Commit author: Frederic Weisbecker Status in newer kernel trees: 6.14.y | Present (exact SHA1) 6.12.y | Present (different SHA1: e456a88bddae) 6.6.y | Not found Note: The patch differs from the upstream commit: --- 1: 53dac345395c0 ! 1: d4b970537740a hrtimers: Force migrate away hrtimers queued after CPUHP_AP_HRTIMERS_DYING @@ Metadata ## Commit message ## hrtimers: Force migrate away hrtimers queued after CPUHP_AP_HRTIMERS_DYING + [ Upstream commit 53dac345395c0d2493cbc2f4c85fe38aef5b63f5 ] + hrtimers are migrated away from the dying CPU to any online target at the CPUHP_AP_HRTIMERS_DYING stage in order not to delay bandwidth timers handling tasks involved in the CPU hotplug forward progress. @@ Commit message Link: https://lore.kernel.org/all/20250117232433.24027-1-frederic@kernel.org Closes: 20241213203739.1519801-1-usamaarif642@gmail.com - ## include/linux/hrtimer_defs.h ## -@@ include/linux/hrtimer_defs.h: struct hrtimer_cpu_base { + Signed-off-by: Zhaoyang Li + + ## include/linux/hrtimer.h ## +@@ include/linux/hrtimer.h: struct hrtimer_cpu_base { ktime_t softirq_expires_next; struct hrtimer *softirq_next_timer; struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; + call_single_data_t csd; } ____cacheline_aligned; - + static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time) ## kernel/time/hrtimer.c ## @@ --- Results of testing on various branches: | Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | stable/linux-6.1.y | Success | Success |