From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fhigh-b2-smtp.messagingengine.com (fhigh-b2-smtp.messagingengine.com [202.12.124.153]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3A6872561AB for ; Mon, 22 Dec 2025 08:46:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.12.124.153 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766393213; cv=none; b=U52y+b99TXPIiBQaMAF4mWQRBpcy9j1BnqUcotneVphGXGjpg8IjUxpZOFgMJDvpdI0jRfS1afAKJbVBSDUZT6dAuoJUCDZHXbJVJLDYFWVtpDoLaVV/HaTLrcAkKO8RH8eZBf0g4//y4Pg20bcVHf+61h7y6Cn46R6ppoXoqCM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766393213; c=relaxed/simple; bh=Io8tBEpGdKSz6svy7jm/kVI4KXjLhnL84ZEb9zsaAa0=; h=MIME-Version:Date:From:To:Cc:Message-Id:In-Reply-To:References: Subject:Content-Type; b=J1k/OjMHaWGmZb7gaSNxciTZ6FLXxAnOoaptdBnISZPANO5r3upFsXcCQfW/VfxD6bXhhgiH0AxN0BpKTzKG/f/vFcAorubdiM8NWPg6jbTbwf5cIdjh0LoRHFAADYkUfnd3XDlkcNe/Jcj1PY3VUbzl9o8L4t1t6WnaNsefW8U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arndb.de; spf=pass smtp.mailfrom=arndb.de; dkim=pass (2048-bit key) header.d=arndb.de header.i=@arndb.de header.b=LzkqZZzj; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b=tHPAD+Ez; arc=none smtp.client-ip=202.12.124.153 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arndb.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arndb.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=arndb.de header.i=@arndb.de header.b="LzkqZZzj"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="tHPAD+Ez" Received: from phl-compute-04.internal (phl-compute-04.internal [10.202.2.44]) by mailfhigh.stl.internal (Postfix) with ESMTP id 4013A7A009F; Mon, 22 Dec 2025 03:46:46 -0500 (EST) Received: from phl-imap-17 ([10.202.2.105]) by phl-compute-04.internal (MEProxy); Mon, 22 Dec 2025 03:46:46 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arndb.de; h=cc :cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm1; t=1766393206; x=1766479606; bh=Io8tBEpGdKSz6svy7jm/kVI4KXjLhnL84ZEb9zsaAa0=; b= LzkqZZzjjTkns+PNoxtxe1nRdBV1aplZEpbTua6x1GbFwzAIdCm8yRm3j7kGJxyt ZSr4cYXz3u0cK4D5Ur2hArMVvJFywNn/iHSftVjZOsGSCG7Uyak29ekIl4ZwEwH3 BTVPSNc4ZZyGLlo/CUG9UkgnBEZqrDxMqqvL42JjSUQT3ae7GHhx5UEGSCjcaxrc 8nlIxcCnUP7L3j6AANd0KxSPpKNXLauCdkAQCbDjppbwUNtV/JxJnBUENfsoI7zv dS/sDekSn/rOXDAlJvm3+rkvQXzelqGPCfisxRysld/X4nSMC+2fBEhR9n6zrOVg cdr+wepUsAsY1dDoqcW9Pw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t=1766393206; x= 1766479606; bh=Io8tBEpGdKSz6svy7jm/kVI4KXjLhnL84ZEb9zsaAa0=; b=t HPAD+EzRt0X0JWRLhNqgI8onRyvUQnj5QEUuZJpIrfEPmYEeeHkbUh5/+m0zxw1c iVviDrq3RQHXJoGOry07Q26mbOw+8EDm8wIubt8/i9/h4xS5/b0dmFdRgXMIaDSK U6c421ebNsPFI2p/sDkIphIZ+uwiCezgwEplZc3VnJ8syMvHKzmKCyPRzms8A7uJ ycRp8CwhGP8vWQOUKV+gVPOv7Pm6/VkpE/mDd/ClJq5RZ9GMIq8qQlgmmfSqrh20 1gfSbIId5V5uBIPJHkAERLIOA2WQkeq/neXi/gfulucgr7szpL9APkiGjdn1Xeqc hPWr8tLeiuwW2HTH7EIUQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgdehieehtdcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpuffrtefokffrpgfnqfghnecuuegr ihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjug hrpefoggffhffvvefkjghfufgtgfesthhqredtredtjeenucfhrhhomhepfdetrhhnugcu uegvrhhgmhgrnhhnfdcuoegrrhhnugesrghrnhgusgdruggvqeenucggtffrrghtthgvrh hnpedvhfdvkeeuudevfffftefgvdevfedvleehvddvgeejvdefhedtgeegveehfeeljeen ucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegrrhhnug esrghrnhgusgdruggvpdhnsggprhgtphhtthhopeejpdhmohguvgepshhmthhpohhuthdp rhgtphhtthhopehthhhomhgrshdrfigvihhsshhstghhuhhhsehlihhnuhhtrhhonhhigi druggvpdhrtghpthhtohepgihurghniihhuhhosehlihhnuhigrdgrlhhisggrsggrrdgt ohhmpdhrtghpthhtohepvhhirhhtuhgrlhhiiigrthhiohhnsehlihhsthhsrdhlihhnuh igrdguvghvpdhrtghpthhtohepvghpvghrvgiimhgrsehrvgguhhgrthdrtghomhdprhgt phhtthhopehjrghsohifrghnghesrhgvughhrghtrdgtohhmpdhrtghpthhtohepmhhsth esrhgvughhrghtrdgtohhmpdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgv rhdrkhgvrhhnvghlrdhorhhg X-ME-Proxy: Feedback-ID: i56a14606:Fastmail Received: by mailuser.phl.internal (Postfix, from userid 501) id 3C53EC40054; Mon, 22 Dec 2025 03:46:45 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: A5qS1Z43B0Sg Date: Mon, 22 Dec 2025 09:46:14 +0100 From: "Arnd Bergmann" To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , "Michael S. Tsirkin" , "Jason Wang" , "Xuan Zhuo" , =?UTF-8?Q?Eugenio_P=C3=A9rez?= Cc: virtualization@lists.linux.dev, linux-kernel@vger.kernel.org Message-Id: <24d6eb84-acce-4316-a650-52e30cb3f5f1@app.fastmail.com> In-Reply-To: <20251222-uapi-virtio-v1-1-29390f87bcad@linutronix.de> References: <20251222-uapi-virtio-v1-1-29390f87bcad@linutronix.de> Subject: Re: [PATCH] virtio: uapi: avoid usage of libc types Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Mon, Dec 22, 2025, at 09:00, Thomas Wei=C3=9Fschuh wrote: > Using libc types and headers from the UAPI headers is problematic as it > introduces a dependency on a full C toolchain. > > On Linux 'unsigned long' works as a replacement for 'uintptr_t' and do= es > not depend on libc. > > Signed-off-by: Thomas Wei=C3=9Fschuh Acked-by: Arnd Bergmann