From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C09E1606C592 for ; Wed, 4 Nov 2026 19:53:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=i637vwZp; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Ay5fDaWt DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Unsubscribe-Post: List-Owner; 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Wed, 4 Nov 2026 19:53:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793822031; bh=f4E5LhgvAcYWZljBgO/W1U3MMJwdn+qZCE/pQraBe8U=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Ay5fDaWtG/yWIDOYM+DggFzTN2LWbh0BW6otP+jIWAHXSuBEsVaLRZz5ZGfpgRvCE 6shldu61dY4NwBfkCYbw7q4cTqz3itoS1DSO0jJ/m80wdS5Zd4cXDBc3qovYZ0srLC U+IQP3Cf9hMAd3vazbsilUbA8DkxquoHSwEkBJ+7nEkOcCIfxO9SZLsKEJkxUQ3qC/ DcxdbWZq7MCNC9JXaZdePv4FyzB69QN2POFSFhjzDTIlCOpxPJ8V89Q5VWoSMQ/EHp J1FcUjC8ycDtKpuAOuzPui/5hlEvRP7hunia1FQ4b8dx3JEke6caIeMQIFr6OP34Hm Nxddkhn+cC83A== From: Christian Brauner To: linux-fsdevel@vger.kernel.org Cc: Linus Torvalds , Jann Horn , Josef Bacik , Chris Mason , Jeff Layton , NeilBrown , Eric Dumazet , Thomas Gleixner , Al Viro , Jonathan Corbet , Christoph Hellwig , Greg Kroah-Hartman , Joel Granados , Kees Cook , Jan Kara , Jan Kara , linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-um@lists.infradead.org, linux-wireless@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org, ntfs3@lists.linux.dev, platform-driver-x86@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-sound@vger.kernel.org, netfilter-devel@vger.kernel.org, dri-devel@lists.freedesktop.org, ibm-acpi-devel@lists.sourceforge.net, jfs-discussion@lists.sourceforge.net, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-cifs@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-mm@kvack.org, linux-sh@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, sparclinux@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-doc@vger.kernel.org, linux-serial@vger.kernel.org, linux-atm-general@lists.sourceforge.net, Takashi Iwai , linux-input@vger.kernel.org, linux-raid@vger.kernel.org, linux-ext4@vger.kernel.org, linux-modules@vger.kernel.org, linux-debuggers@vger.kernel.org, "Christian Brauner (Amutable)" , Chuck Lever Subject: [PATCH RESEND v2 16/30] profiling: mark /proc/profile permanent Date: Wed, 4 Nov 2026 20:53:37 +0100 Message-ID: <20261104-work-procfs-fs-v2-16-319e0f9a8aae@kernel.org> In-Reply-To: <20261104-work-procfs-fs-v2-0-319e0f9a8aae@kernel.org> References: <20261104-work-procfs-fs-v2-0-319e0f9a8aae@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.17-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=817; i=brauner@kernel.org; h=from:subject:message-id; bh=G0gwYdZ16oKFC7EZJsDlPxepqJg/P4CRWLJP6izrYeU=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWS97rGrTu0wWKSzkuXO+Urv0AN64bf3zr/V5uClEO3wY I7J/p1/OkpZGMS4GGTFFFkc2k3C5ZbzVGw2ytSAmcPKBDKEgYtTACZyag7DP5V5JQ833nexiq6f s5gt0f6uqxUzZ/T9PH2FDXJ9PK+sWhkZJl1nDLj2O2fpAYUv714J5enO/mdzabLGrvDt7b2/l0U pcQAA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Content-Transfer-Encoding: 8bit X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" X-Spam-Status: No, score=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 /proc/profile is created when profiling is turned on and never removed. Say so with PROC_ENTRY_PERMANENT, procfs then calls into it without pinning it. Signed-off-by: Christian Brauner (Amutable) --- kernel/profile.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/profile.c b/kernel/profile.c index 64f6a45834b1..0c2672adcbb5 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -203,7 +203,7 @@ static ssize_t write_profile(struct file *file, char *buf, size_t count, } static const struct proc_ops profile_proc_ops = { - .proc_flags = PROC_ENTRY_FULL_READS, + .proc_flags = PROC_ENTRY_PERMANENT | PROC_ENTRY_FULL_READS, .proc_read_buf = read_profile, .proc_write_buf = write_profile, .proc_lseek = default_llseek, -- 2.53.0