From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793822031; b=QDFD6L95owrlikn6RocxKrwO8Zo0tQru4SSLCMtg+/Kmmr7CqseXIw9Asreju+mGv0oK xLiDDycilFy4vbWThZY/CgtsYrvzk5La8KA6XpcSpcPVrMdRwmlPSHQ6gIMsdeaSlKVRN uZrfK8mZSVPHZTyojMYxmX0Sg/2LDRs+hqsz8fcrSssVmhhk5wltcxEYPTLGMvceEZu3X RfPD2TjRqad3oXjn/jFf9UFYu+irO1ynuF6468hjxbLxAqaFGjwpPGdl+Bn0V4GRwHfNC p9gDH6X9QZa4ufaXHUP4u++KXo84DSILZR8oJbGeDxGnPr8JItMJVNTNja3uS52NbGw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793822031; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID: In-Reply-To:References:MIME-Version:Content-Type:X-Mailer: X-Developer-Signature:X-Developer-Key:Content-Transfer-Encoding; bh=f4E5LhgvAcYWZljBgO/W1U3MMJwdn+qZCE/pQraBe8U=; b=vpTPgj2aHAPv4016g7qv5RHiu4kYv5gSg691RMKFZekHijddOpQrefAoy0d1G6iA618y Kx10jviR+STTLW9ivYmbS1g6Y4aYRfzj63p699jEkI4xfVV2Gwr2iTLunHtH2J8o2J9w8 6PwgjpRlD5/8edZdGOP18EYvIZnmnrJqsyvXM1rHOo2oWax4HLz+6xqxGpVO87IosJ94p zNJy7+M/SnSfWpHV+dNW+xzsDpXYgxTnl3qTt9XrnzeANrvmOwebBybdIRpZpL7cwq4CI nJjqy5+8v3NGaoaJfaAugL2nPE6H6rII53qmLnHNsh3cnG94dFIS/Lj6XSYT5VZK01g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Ay5fDaWt; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 84958606BA2E; Wed, 4 Nov 2026 19:53:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Ay5fDaWt Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3AAC11F00919; 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-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list 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 /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