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=1793882900; b=S0Fv1yTkBEpcW1yAarnAU4o/fEAtX8qSSYZR3XpTaeqgQ1fjGvxBbS8q9KLUmQXeBwZS 7XB3zOxsWCTc+LM+Er2/+xHXVgfB9hHYM1yJ29YSDfmUhquwV7rYX/4FmWicbB+A50etK Fkm2YKspzrpIebn5L4Ar1BgekLo+FXUJ7QozTibgnFmJFEWI3qHDC4IsL8NXopqJ2Bino SiOEXZeEB7n1F2OwINJzGS0ZVAZj36OfzGXyjIBu17drFVMuVrXgSmG4oNEq5eM36STml iVu7NHEjBc7CocJyV/Nv6o0rzY4q7DEJaiXwS6zKKIBT9COPoGqB28vacuPL5rtWRmw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793882900; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=CeBw+s2LvMeqG/vb2nuXePt6wR8Y9lUm4clWyu7tZNY=; b=4VzngWyIsfhNbuJU7/R28Ww5aTn6xxEn8brJWiwnAZ1g5DVx9hNZdBClYL7yTM8QrECB 9QcmI6yPrCfQsGzKQCVzLDNczMNV9bm5Nz20ySzuEpbBJ6qgp7MX98FxK311L2iA+k5WZ 44x+ZbZ/zuzrRxAn51zeCHTPjTQM/t9Ljrh/5LLEflwmUzXnz/QFoNqSR7Ur59B8dFfaT gImlPBwsyYO5NfnBabSwWRHobLPAmosCORBafK7TCOXKO+OMhv10qar0aPxsLWWI+HOzd fiN0wod41l80D/kXWlw5HpkuzsE/DZ1e0P41a6x6WStQhWZY3y4G40GU24Si6RjrlxQ== 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=AIldk2Cs; 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 D2A5F606A32D; Thu, 5 Nov 2026 12:48:19 +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=AIldk2Cs Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A1F11F00919; Thu, 5 Nov 2026 12:48:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793882899; bh=CeBw+s2LvMeqG/vb2nuXePt6wR8Y9lUm4clWyu7tZNY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=AIldk2CsQlorkpHASsofuj2utGYZeupCKR07f2JeNTZhwNllI0w3n4vBScSUWISUR kWvqw0mbm73nc7U5eGM3r4OZz4iEO8RcMgt2Ytx6TVAyQxKP6Yc9P55jGHy0CWFQA3 pGeETt5FIAJXShO5uaEoh9wHbn9TgCRVRA/nT+yTAYj0yizEVok3BI6q74VXDmp+hE 0J4YcTRvwPNnx3VC1DZ0R/t8K1hzumaozg/yMf1fWht9tsHcpW2J7uKScggTfISm0d PJfhyy5a8yrXHGHk8RMCgpvJEhIrfM2SM5FQWmaBX5YMeygPOfOt8Y+P47M1dphDCK Lvrjgoj8y8VcQ== From: Sasha Levin To: David Laight Cc: Steven Rostedt , Masami Hiramatsu , Beau Belgrave , linux-trace-kernel@vger.kernel.org, Shuah Khan , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] selftests/user_events: cast pointers through uintptr_t Date: Thu, 5 Nov 2026 07:48:17 -0500 Message-ID: <20261105124817.1532094-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261105110333.0fa21741@pumpkin> References: <20261103163913.640876-1-sashal@kernel.org> <20261105110333.0fa21741@pumpkin> X-Mailing-List: linux-trace-kernel@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 Content-Transfer-Encoding: 8bit On Thu, Nov 05, 2026 at 11:03:33AM +0000, David Laight wrote: >On Tue, 3 Nov 2026 11:39:13 -0500 >Sasha Levin wrote: > >> reg.size = sizeof(reg); >> - reg.name_args = (__u64)full_args; >> + reg.name_args = (__u64)(uintptr_t)full_args; > >I'm sure you can't need both casts. It works as is, but you're right, the assignment widens the uintptr_t on its own and the (__u64) isn't needed. Happy to respin without it if the maintainers prefer. -- Thanks, Sasha