From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) (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 092A81A5BA9 for ; Thu, 10 Apr 2025 01:23:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.190 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744248207; cv=none; b=EJX/B8Fk3Nau6/QtLnMhYfHeleLGgPIgnhtdpwP+zg8uquraxnvyE27nt4W4mA7TuGOBenUVO4notG9dy4IUD8g8+17JCUEX705EPIHOJMRigZeOBzSO3IXrtnWkwJhnUV6HAeIqrqp63p85rCqFiizQkwGcUtXwWphdBWXh2zw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744248207; c=relaxed/simple; bh=pOZVrMfrWZwXxblXIy3b2k9R+4+tJ+rkgl/l0X+e4w8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=jfZibAioc7QCEMmNUBTnHp/i/HJq7WbgEu/lszHFJRFuV8Ww/doWbROyRFYxJhbvXKJum/GCvYJSLSwkc4wOR8Y/LRlS/bnWGEMdCayau9UyLLdtT0U4VO2+hJKrVF8xFRBxucl0D1iWCuh3s4BsXLyYrhNqDAgeyQIfdLXteSk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.190 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.88.214]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4ZY24w07RZz2TSHv; Thu, 10 Apr 2025 09:18:24 +0800 (CST) Received: from kwepemo200002.china.huawei.com (unknown [7.202.195.209]) by mail.maildlp.com (Postfix) with ESMTPS id 114B81A016C; Thu, 10 Apr 2025 09:23:22 +0800 (CST) Received: from huawei.com (10.175.124.71) by kwepemo200002.china.huawei.com (7.202.195.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 10 Apr 2025 09:23:20 +0800 From: Jinjiang Tu To: , , CC: , , , , , , , , , Subject: Re: [PATCH 6.6 046/152] x86/mm/tlb: Only trim the mm_cpumask once a second Date: Thu, 10 Apr 2025 09:13:29 +0800 Message-ID: <20250410011329.2597888-1-tujinjiang@huawei.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250219082551.866842270@linuxfoundation.org> References: <20250219082551.866842270@linuxfoundation.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemo200002.china.huawei.com (7.202.195.209) Hi, I noticed commit 6db2526c1d69 ("x86/mm/tlb: Only trim the mm_cpumask once a second") is aimed to fix performance regression introduced by commit 209954cbc7d0 ("x86/mm/tlb: Update mm_cpumask lazily") But commit 209954cbc7d0 isn't merged into stable 6.6, it seems merely merging commit 6db2526c1d69 into stable 6.6 is meaningless. Thanks.