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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E061C636D4 for ; Fri, 10 Feb 2023 04:48:50 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AA5446B00ED; Thu, 9 Feb 2023 23:48:49 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A559E6B00EF; Thu, 9 Feb 2023 23:48:49 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 91D996B00F0; Thu, 9 Feb 2023 23:48:49 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 825516B00ED for ; Thu, 9 Feb 2023 23:48:49 -0500 (EST) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 4DBEC1612ED for ; Fri, 10 Feb 2023 04:48:49 +0000 (UTC) X-FDA: 80450151978.17.E0679DB Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf06.hostedemail.com (Postfix) with ESMTP id A2C0818000B for ; Fri, 10 Feb 2023 04:48:47 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=XdilebEY; spf=pass (imf06.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1676004527; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=GMhQv0JeYHPs+Hm+FPEG1Rx/DU8HSBna4LuCCkQZS2A=; b=tAmgxjb2NHMvWwub4B0yjeZuruaYRZaMXfsS/qWuN9m22egvH04sH45xwnb5+CZdsI20Xt ONlHtmYa6sjKP03V0bDmN7ZuYNjLN7zHIulBe92oXWBf+x+fUh58/1x996HYqIR/Piz98J RjHxmcWNgnyQelqjx6n//P7PiqN65u0= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=XdilebEY; spf=pass (imf06.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1676004527; a=rsa-sha256; cv=none; b=MNHq8Dmmd6RXbMpatAzZTcMf9Z+aZdrRkdbyni0GS7yUQsI4HD4WOnxIZIDy51925O13Yv JcriCuE9nA4FBcd2Ap06uDYHZwxacypJ3zyKSXi3TkY8yCh2pW5tXG5AMWZAwRvr3Mb31v aM0t6sQZAHV4+8jlpSN8gU8T2iAklqw= Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CEF1A61C1D; Fri, 10 Feb 2023 04:48:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5971C433A0; Fri, 10 Feb 2023 04:48:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1676004526; bh=3ZPhytsG6MoiFI71uMGAzjRAm4p3c/2mkgqWantxo+I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XdilebEYHnliIo6ccsozIn8z310XX+J4YeoCbW7rHQ02/iln2iXxE9EPvQfBjxLax t3ysfYwi4WsuohmRqftPzIgku530OlwXFpf3XyzBHQjyXWftPiGot3pG6gJwcCoJK3 NTluwuUy5cBGGi1P7UEcU1ZMFeY8ED+DIAgqZw4WjDJqwj+DJOuSP/4PUQmO8Uz265 5KTyBUZzr1t7Oe9UxIM5csHGF8Q8jf6WQe7xmnzaI9a1Se2LloVN9qnQ1LJckDykx6 x4HSp+SsZ6xYd8rw6ZiBjPcRKEaoRozmHkbJ8dttfY+EZtSAVlxs9CZAaveKCXb81/ UzFACfqLtzIRg== From: SeongJae Park To: SeongJae Park , Andrew Morton Cc: damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] mm/damon/Kconfig: add DAMON debugfs interface deprecation notice Date: Fri, 10 Feb 2023 04:48:37 +0000 Message-Id: <20230210044838.63723-3-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230210044838.63723-1-sj@kernel.org> References: <20230210044838.63723-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: A2C0818000B X-Stat-Signature: 1hxw73wm8nyaz9x3amz7h9iy6kec8hyh X-HE-Tag: 1676004527-228359 X-HE-Meta: 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 xejuFWB9 rt4Y6LSsctJ5MRqauJD1cTl8ABBtusZNT6TDB0hZ5GKP9FIKeAdcTEbIWzazxxIXezIOfs3TVvKlRSYzGNzWSuwFCygD9dIDWuXK2fjaC/+zw/aWMyuGrJzjfR4uH+fvihxLOUvNAn3V6dj75l3QjKOCE/hCCbQDVIVyTZwOIgQEBbx1bT/ZqwLh3uORJnw7xLF3mZb2dUpu1/g3dp4pdFjs8ymZBMmC+uDGgXpGJEIaCbVMvA5jykjDe0UwT1yy7jAqdFA6MSm1gS17raKswRmLuEZDMM0dc5EKSSdKMp+prkkt1GsLKXSBxSi04NVY1JuAgDRne4VEwnKtceC5mcfgcjtJxqy4vFbLVDJuAErjqhDjMn5Bc/tXWkUkF5Gs3rZa2sQevVc3R7yhY7vL8MKREqFp+hn9rO5pW X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: DAMON debugfs interface has announced to be deprecated after >v5.15 LTS kernel is released. And, v6.1.y has announced to be an LTS[1]. Though the announcement was there for a while, some people might not noticed that so far. Also, some users could depend on it and have problems at movng to the alternative (DAMON sysfs interface). For such cases, note DAMON debugfs interface as deprecated, and contacts to ask helps on the Kconfig. [1] https://git.kernel.org/pub/scm/docs/kernel/website.git/commit/?id=332e9121320bc7461b2d3a79665caf153e51732c Signed-off-by: SeongJae Park --- mm/damon/Kconfig | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/mm/damon/Kconfig b/mm/damon/Kconfig index 7821fcb3f258..436c6b4cb5ec 100644 --- a/mm/damon/Kconfig +++ b/mm/damon/Kconfig @@ -60,7 +60,7 @@ config DAMON_SYSFS the interface for arbitrary data access monitoring. config DAMON_DBGFS - bool "DAMON debugfs interface" + bool "DAMON debugfs interface (DEPRECATED!)" depends on DAMON_VADDR && DAMON_PADDR && DEBUG_FS help This builds the debugfs interface for DAMON. The user space admins @@ -68,8 +68,9 @@ config DAMON_DBGFS If unsure, say N. - This will be removed after >5.15.y LTS kernel is released, so users - should move to the sysfs interface (DAMON_SYSFS). + This is deprecated, so users should move to the sysfs interface + (DAMON_SYSFS). If you depend on this and cannot move, please report + your usecase to damon@lists.linux.dev and linux-mm@kvack.org. config DAMON_DBGFS_KUNIT_TEST bool "Test for damon debugfs interface" if !KUNIT_ALL_TESTS -- 2.25.1