From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.221.51 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794260762; b=tbOlwOXekVLUa8P3DkPg/cfKY9eW6jiQ5B5uIhu9t+Qyj3Ln+fsLdWVBanshQ/MfeoId LBDMtgSgoCAqN8S60hH1hWlSu12Gbui1PdeviHkZagkATIdVPFsy57i1G33N88zqAtPL4 1Aruk8Mr/w+e1OCsFmCC1uG0kcxt9OesoLJRLglnz7iTrVGht+jxv5Qv3s6Gkc+ztLXVR aaOj0jwzgC1kHmopC/L/HSBtyXBb4YEJTleWRUEl46+/+P3H/USq3p6tA2u8x8vUiOxv9 iDTnLWSJT3TSqIZ2ACnpmHUuJvAUweBbzpQcnrJseEGRm0rktnJxn6PpXBsYDUltbtw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794260762; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=874yjmK9ypxK94+nKOJ/uR1d6HpqK0owgIThZQA8ZUA=; b=go+foysxKETqo9jET4saQXvk7uLyVfzMdRxJrCmhYLVUhMW4fG01HhsVQ3OoLovso/vn nxJN+WmBIycSJKqUaFb/pKIhw1dq+IzPwnAwSYEy0AF6iEdu8K+5ldVSi27ncX5E8TXqU QP0FgbepMvJyPkpMDoZiZlw218pPKF/7Qdqb3U1bbYZlvWXrq7sLw5YY0pqXCFytL1r7M Hz9qbaRNK9mYPSs4fWUIZXTXC0ibqSNIIDVsJd7EECWLopOq9y7NbYzq7WeMonTygQ8xh eeCgpe2F5pEqhVitIRe/glPcjZxsApd52iMTZMtBdQxKgIoFUTl2TRAHM3YTr5xILxg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=LaZ0qPv5; arc=none smtp.remote-ip=209.85.221.51 Received: from mail-wr1-f51.google.com (mail-wr1-f51.google.com [209.85.221.51]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9254C606A333 for ; Mon, 9 Nov 2026 21:46:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9254C606A333 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=LaZ0qPv5 Received: by mail-wr1-f51.google.com with SMTP id ffacd0b85a97d-490c1d337d8so966213f8f.2 for ; Mon, 09 Nov 2026 13:46:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20260707; t=1794260761; x=1794865561; darn=vger.kernel.org; h=content-transfer-encoding:content-type:mime-version:references :in-reply-to:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=874yjmK9ypxK94+nKOJ/uR1d6HpqK0owgIThZQA8ZUA=; b=LaZ0qPv5+whTFQHjIA7oYo021SUS2QeXnWN8ii9Y4im7Ue68o46nz2xh/hHMwIUfQ/ ICad5fyoXePYl6/8nNVhZk6UxBKiDwJbHcHq6QklDSJskt7Ox2MaUqpcgklbAASOb1WD 7U13gt1MK2zXHTSuMFiAfjmE40I4QhfpTIR2Mc6nMOBQW6Dg/mqe6U/h69Hyf/QnrKae CyKIviPRPYc2tnG0IM8qOylYYY2PKnrUJzf833wY0ZcFYDbyZdAS7ekVESO+FaUUNtdA WzN6sPDUCv7pE3hPSGmxzNcqgZM1jmpktE+mpPCXGo9ukB9qCsiBySNit7DIM51G+Ivt K68Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794260761; x=1794865561; h=content-transfer-encoding:content-type:mime-version:references :in-reply-to:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=874yjmK9ypxK94+nKOJ/uR1d6HpqK0owgIThZQA8ZUA=; b=hkHoLOu6dpTM4g0RWaQVz8Tij9OZmJaAXP11E9F6FzGk6az17UgVuUo1AgxVaNf4Ew h2ulrRhuDDxagrk6B6spNN4PZ4/05lnapfiJAslBKl+nrt6jmA81Q68lvGJVmNXhmO1m 2DnXSzPJXzWia4wXVjMOpEsom8M5o2ZjdhWH5nUfnixpnugi+iMe1x9NH6QN+d6KxBXF syUu8Vuo01AI4mZrM2+AJY1DieC9TBjEAXHieZDP9LJcjEfL+XU9dd9qAHwHEM8oCUlL 8nNcZ+6AMEcoFZkJETGW3FnvQYGadiicdTVRZ1UlONO2dl/eF7Zz+KpoGBUfMOMq/POm FI1Q== X-Forwarded-Encrypted: i=1; AL+hErGTYeiLJm34cGy5d09Nx8ISNKRlojzNCBMPTEJOFxdU6pZRepkEJJ0Y/sd8aEs/U1IzFLkaZccosOBpIg==@vger.kernel.org X-Gm-Message-State: APuU4Z+RqJ2Lda+Xa8O4AjPTWKudAGQ7LdLyY9bDN5XmQHTIj3E7k5f/ Yzqq2s3Sbh8d1QDxCZE06TXL05sOOUz5QXcl2/1Upt5t+R7EkBsgo+5F X-Gm-Gg: AYBFou0iYWu5bXd3UMOItW3DT5By36HQcleMazQquCofSuCWIEvpyKy700OUP3++pyK wXeEx9E4so8oIAWjMDFR5dGfCClm0tcLaQp78hQic8yZnGexa/iJlKgWIjWvoa+D2n3Na/R17fJ 6I0e6c6UI5/ob5BguXi5QHJPDg9Tdu2VawLRqSiLQ3yEbumEUOgS8SAlMzDxkwIpUg7MHzBehCf l4rELhECMEKu4bujcel3HTQGwsc0iVJJlnUV3CZiEcpZKT7ACLTk4x1McZCqxZVzKNS7VPRVSfc rixLUvN7/C4b16cuEUkWQasSgEvZH4MNasNfQPN1be0meBfaYLm2hnQZFbRKcdwrD3BI9lpZ2Iy dzSdsVOdOWBHVv0OXv9gGLG7DOrEgHkPUlcfaBwYrLi9Oq/sLyvP7AUVpKjXnVy+3GSyM1OQV1m PvHm+zpi5Q8jAkD4+o0yv+nYuBNLt6PLxoYYmGIQnUv4NSqsQVLiQr66mk4JC2brhJuYC4xPnkT +LeImvQx6Jh2CdlT/F0xrJR+USTkBcnaH6VH8J8+8CbJkHzwNBHWHW5aTzlPdkKavy1N6zX7pNZ 8Zc2Ja90dWxkol2EG7UmCoN31fRlhqDpaF38SIyDZG9Gshem/AA2Oq0zATxgZwqDSg== X-Received: by 2002:a05:6000:288d:b0:48e:25e1:5eb8 with SMTP id ffacd0b85a97d-4982b28aa42mr1487213f8f.3.1794260760763; Mon, 09 Nov 2026 13:46:00 -0800 (PST) Received: from pumpkin (82-69-66-36.dsl.in-addr.zen.co.uk. [82.69.66.36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4983585c4fdsm1213644f8f.10.2026.11.09.13.45.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2026 13:46:00 -0800 (PST) Date: Mon, 9 Nov 2026 21:45:58 +0000 From: David Laight To: "Maciej W. Rozycki" Cc: Christian Brauner , Geert Uytterhoeven , linux-fsdevel@vger.kernel.org, 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, Chuck Lever Subject: Re: [PATCH RESEND v2 14/23] proc: let procfs copy in writes before pinning the entry Message-ID: <20261109214558.0d9d5228@pumpkin> In-Reply-To: References: <20261104-work-procfs-core-v2-14-76ace653a773@kernel.org> <20261107-akteur-gemieden-eckdaten-21304d085e35@brauner> <20261108185953.28054fb3@pumpkin> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) X-Mailing-List: linux-input@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=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 9 Nov 2026 05:05:57 +0000 (GMT) "Maciej W. Rozycki" wrote: > On Sun, 8 Nov 2026, David Laight wrote: > > > > > While at it, I think it would be good to use this conversion as an > > > > opportunity to replace "char *" by "void *", which will probably let > > > > you drop several casts from users. > > > > > > So I tried that too. The thing is it drops exactly one u8 * cast in > > > ntfs3's label write. > > > > Since char is now unsigned that one isn't even needed... > > Please excuse me missing the context, but what circumstances does your > claim refer to? Just that the cast would have to be: u8 *foo = (u8 *)bar; where 'bar' is 'char *', and I don't think you need a cast there when char is unsigned. David > > Maciej >