From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.221.44 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794260762; b=nnWp21xJt42XwcFYuVAAyTkgIi+0T0ETEN4Mgm5XSEFhLhxySMeQ6wo1N0OXL3YHEOGy bouvnUqVFqc+mK+L8GgazjKKF+1VTOwiTgE2qnYz/jK9Sgumzf/hyq1VUJesqgelcvpbK IqULiBlIurIXO3S9abu+FdPqCPxI2w4sxWblHiVrzHKfjcI38IRQSfOF6/M3Z55dxpmbl tpq4JgcgMWjnDEZtb0/TDTM9P03GVyq32tyYHAnDHtBUc+boUaHUdvKjKxnnmUyJqw2D+ LsDUruV1Yktq3xjssPOMBfXEwxlsiOK9Z1PIhJFjvpNJx6znpuza4OO1b9c6TLqp2xg== 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=N7hVkSau2/3vyAF9Ajt9KG/+bKB/pXDx07Xvr0XBRU0BIWtZT02/3SZirfxsuvcKtizf i1mIEsgWBmNsI+TT6sBkcvhVXEUhnTKWQzkkcNVNixO/WEzz/4sm8m0XC78QI7acLGDwI jDkdFzpMKocLvVPzA+rwwbWMm/mS1OaR4i/duyR1L6p+mT6c118eR9YiRva6csy1FMD0i K2ANRNeH2k9N02FLV+10hytFGu60cXxHOSDISOKPqGY7aO5GRWki8jKF6tjwd6TiEK72R 2fmcfN8XXCGhHSe7CbYSE5R8eDHl5FSYCp74Oycq9ghQk0v9dBknuBdzssF+Qm3GDHQ== 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=209.85.221.44 Received: from mail-wr1-f44.google.com (mail-wr1-f44.google.com [209.85.221.44]) (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 9097C606A32A for ; Mon, 9 Nov 2026 21:46:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9097C606A32A 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-f44.google.com with SMTP id ffacd0b85a97d-490a0e72588so737596f8f.3 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=B0KvVBP/YnlLytUQHuL0azIJLuiftUyefjCDkqzJEPVvzt1ikfLx4jYkpF5Nxlzx+4 OpBqzkYQfUKn9FhKwyi9nok75HWtj7NwMg7W/Tsy2H0RFNlGldPQyeN7XPxhfwZR1A++ hsufNyJjO4K5DRcdkyoORvb7foD6p0kM4Cwun/2uj3bh8GmTnugn/LvxG2jcoinmAmhH 9Vi75UyFm/84guB1Sm0DfObgPColnil+DuhvITtgw+r44grPNVHiCAXbUBeRBrSRtJ8p LL3Ik0efZ2RvrsaaYMc4jahaVuFzv+LP4JHebxHNVeryHsSuVfQ5gM0HTK2irsg457Pj yFLg== X-Forwarded-Encrypted: i=1; AL+hErFp2KnoQyDiwjUX8E9ee5XIEQEJj2Xn5e9RgCnWF8fBfiZozubth89HvR2ifQbH1q7aLGG2O3uA9klhrDw=@vger.kernel.org X-Gm-Message-State: APuU4Z/8URxU5Q6Y4g0kNUPpa0UiLMrjQluQCJYjeN9i8s8WnXfqIvCs 6osj1F7+2slXM1tONXbFADmWrEKhuU3Bcx+UwlqNd9Ord/h1kwun+zPi X-Gm-Gg: AYBFou10TRIGsznI3hvM+twj3Xvn3GXq677jnHCV4ljgOpcKdSjJQmYQ6hp55aXjtZN z7y44EAxXC8KB1dhmK/7ATo6Kw9xV1fIQUJhXB+YNZ0+nRzsWM4eWg6EH1mjKQvpLIx8YVUFjaj AYpapTNTa+IMWpSgUHRbalaws0ZiLNCk1WelvSqmzvQyLEAZ9hgEc7t/WsDV1bBSUt1asufWw6g 0Y+vven3LAgdtMPZ6M2xSmdiYtnbbh2UgNbf6UivnW+kek6UlHcDCP08E0zy5BGPBXtQQHV/D44 ovgUTUlwIhbOQs08WGwrBlZ0cHReTZwfpGPgUoM9D2qXWwaryokEZfgynV6gu8mAqfQLxnVkJVy wSFFESpX0csaA9S94vnoS4UBwHrnp1EAScpymqg1XmE5JDHJhehyA/SiUtfxEgqHBgImGpf61ix yww7+hTsQTpPBiYs8GJEd/00ZLO1Z1nxTr/JuOyowW2gOMFliZV52/zBx/SNgXH6mXrNoCle1Q9 25yA74MGb1k2WytAbbQSLnHNmhYnGgeH+7kTKL6qVbquUpbC3Ve+de1/zVvwosH6v6SVrTwMgSj jvXjvkyA6iaiWx747ZtSPE8PLBymDQIuvf/xF1AmVgLQuvp92cu7IA3n1+GnQy7eNQ== 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-serial@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 >