From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f182.google.com (mail-il1-f182.google.com [209.85.166.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0A27D24DD0C for ; Tue, 15 Jul 2025 14:10:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752588622; cv=none; b=rpWqsWadPmYnHhLsvx2cajJrOwUq4vMOdqNZMvyCJCGOlDu3leDwy0eooueJ8sCuqFz68eh9yWlWSeAizduWGpLNoRFsvJ9ne6ThFb9b/6HMlwDdKqsGM+ogYt0c3sypyjjMOHK1gUIdvVwQ78YpxSmQk85YCD1Sf3EA95TR9wI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752588622; c=relaxed/simple; bh=+bManZoJ7DUc7PE7xd7pJIQtqW11gJZQd7GwUTQc7J0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Tis9/1Av8nV4IQn6TZBt93/qL4WEvOCp0sgv0BZ7OA4jJXXKTSIVFe9l4ysa9gPqOP4uxEwquF5/BbP8YvNsqOAwT0RtXgoXJlqzcg7iUtUEzx8HuEmnYWLGp3h2Y1nN9gtLbNfajql+g1WTCoQ1KDugomd24BOGIXfNbMktj0k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b=uhj6iLb8; arc=none smtp.client-ip=209.85.166.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b="uhj6iLb8" Received: by mail-il1-f182.google.com with SMTP id e9e14a558f8ab-3e058e82584so50079995ab.2 for ; Tue, 15 Jul 2025 07:10:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1752588619; x=1753193419; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=gz6M9A3kNVymngWUbjHxUUeWvWwN2Oe7xxlyyy1otJk=; b=uhj6iLb8jUGuO8NvGeCz6/X7zB+qHasRR5W6nO74xGZWuefIEdHWhFlM+zdo378KnG QemLJ9FwwbS3B178uWI0VUZfJP0Wf9qMe75XoltTbvBTz/YHaTSIBPPHnDEruTjYAeS+ 7A0HewDXbnlHIqURfXp5J8DdfK0gXZUoWu4xV5dRkV6uSYWTFJjvAybZTdKWb+ue+t41 t3ljdq45hfdD5T2QkKHeCE80Gzc7IcVfj0Pu7d6rIoKV5v/ViHBN9ebxwElPwM0DoKoR cmsOAfKOmDmVrU99kJI/P664Lj7DI+TpZ+LhfQ8BgIQTywdOWjyXQKC4w8DQNA95Gz2C y+Jg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752588619; x=1753193419; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=gz6M9A3kNVymngWUbjHxUUeWvWwN2Oe7xxlyyy1otJk=; b=s2aSWEDItQPszR9gbs0lloShqG6NbS0oXZAqVeWOb0j/mKpY44mPUuIC1YNyORuqQw AZTu0MOgZDK5G/Ka3CUAg+qzEsi7tjSS+J3D4YhikYWvlmUmLCTrbbxNbstDOL76DlCA lF0TYghr5bjJax5dri+naU7GKso+kluwe+wZEHqFt2cNNWVozM/Tp5ZpiEmt3cACmAUD lORdQPi9idfC2F6+CFFt24OkrPn85FtlytF+SO3fBfDvNveIhI2OHC8B9IgZPt8LuhAV IgJWFtaM0TuitEFi3iHngm0+IVsBmp1dGfdSIQlGgc8HwEUYNmjzz+bVoMZUZKkJxgx6 5fuA== X-Gm-Message-State: AOJu0YwPO9Y8Wpx0w9K4Hk+WYyHBxeD1AIAskhuGauB+nzQqnaBboFFO 0oQASW0pKziyoFX+mQt1tuGgMCDACTWqH1ufv+hZEcyPSkYS/49OnbL67SD/UNPl/VY= X-Gm-Gg: ASbGncsUUhHaDtSUYCFVzTByUrJMK7WYzkBnovUJQ3bNKdFRXqhcXNqQHSjmt+hv5MJ jcBdgnyGLm8Mmv1ififQvsFKzrZBwaJUpn6IpBRj6OMSIEZTUhKfjC1GhmulfLEtDg2kO081rFe F34YmNE5UL8e6roLfDmN7zYcXvz+ZweFMN7PnfgCe7WzvLL9AplUVAvXYRd4X4cqSQG2cJogERV qCMCs9Yl/W1BBGINrDoh4O8nvlw6Ve7QQ3B2k/0j7FEwv7PiWNd0zfW2x9igvEN4udOqOKbQRFw Fx/6kwh5tOma2LPNbDrc2HuQqLCjSAEcpSoFOVxlIHI0pPxaOfswI+3j+WRbUUTX67taUsNhklY ceO6V9xThvKRP1A6GJLI= X-Google-Smtp-Source: AGHT+IE1jSl0+Ol461G6fZrpoKwEDGHayubqoEeTwWls/gtKYdvp4zX/qFJoj8BP/4ShuOwARvbT3w== X-Received: by 2002:a05:6e02:188b:b0:3dd:d189:6511 with SMTP id e9e14a558f8ab-3e2556d42ddmr182511335ab.21.1752588618466; Tue, 15 Jul 2025 07:10:18 -0700 (PDT) Received: from [192.168.1.150] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-3e276c97460sm7269955ab.70.2025.07.15.07.10.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Jul 2025 07:10:17 -0700 (PDT) Message-ID: <4bc75566-9cb5-42ec-a6b7-16e04062e0c6@kernel.dk> Date: Tue, 15 Jul 2025 08:10:16 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH liburing 1/3] Revert "test/io_uring_register: kill old memfd test" To: Alviro Iskandar Setiawan Cc: Linux Kernel Mailing List , io-uring Mailing List , GNU/Weeb Mailing List , Ammar Faizi References: <20250715050629.1513826-1-alviro.iskandar@gnuweeb.org> <20250715050629.1513826-2-alviro.iskandar@gnuweeb.org> Content-Language: en-US From: Jens Axboe In-Reply-To: <20250715050629.1513826-2-alviro.iskandar@gnuweeb.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 7/14/25 11:06 PM, Alviro Iskandar Setiawan wrote: > This reverts commit 732bf609b670631731765a585a68d14ed3fdc9b7. > > Bring back `CONFIG_HAVE_MEMFD_CREATE` and the associated memfd test > to resolve Android build failures caused by: > > 93d3a7a70b4a ("examples/zcrx: udmabuf backed areas") > > It added a call to `memfd_create()`, which is unavailable on some > Android toolchains, leading to the following build error: > > ``` > zcrx.c:111:10: error: call to undeclared function 'memfd_create'; ISO C99 and \ > later do not support implicit function declarations \ > [-Wimplicit-function-declaration] > 111 | memfd = memfd_create("udmabuf-test", MFD_ALLOW_SEALING); > | ^ > ``` > > This reversion is a preparation step for a proper fix by ensuring > `memfd_create()` usage is guarded and portable. Issue #620 was > initially unclear, but we now suspect it stemmed from improper > compiler/linker flag combinations. Maybe just bring back the configure parts? The test, as mentioned in that commit, is pretty useless. -- Jens Axboe