From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E543B4C79; Sat, 7 Dec 2024 07:18:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733555899; cv=none; b=p/f5C3xJiZK6SsiRNedcLpNoCeHXBAje0GczS/qy8V5iy6+1vo0L9CxMrosF+J5qhw5x9YZwDGh2VouG0gTPBKMMNtGp3tjxN4BClJKnfHJvXu3ZdI3+4tjPSHgGZMLT4ZOT/QfEyVWjMkFkXMH+j8Rxg/1hGm44Atup9CvTV+c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733555899; c=relaxed/simple; bh=UNrgkIa/dIuRpiNDWG7uYHRP7Uukwg6GyP9Ak+zGcOY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=l018uehWR6svIkslAMN+TheC1mmOTGkvaiQcZ6Ug917ZtJqNek7oOkA8g2gFVpCLOAd2gTMVqdSD/odddF7ayHNwvivbd077AB91EIXVyEpcpQy9ju9L2czxwjG+QKUO/Zq7AS4nV8Sqkj6JVKhE5sQrAOCEFsJPDe+hP5G77yA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OzHUwpXn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OzHUwpXn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 55ED3C4CECD; Sat, 7 Dec 2024 07:18:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733555898; bh=UNrgkIa/dIuRpiNDWG7uYHRP7Uukwg6GyP9Ak+zGcOY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OzHUwpXnis03mzxxLj9cMjQobWrX6oE5VZALwG0BcjChyB2YV+TOg1lUv5POvvS1h 66y51pCVrAsGa7Felyl9wMpPRjxO4on17QpUjlggWwuMW9VLRBg9/ytMEXCiEag2J1 uEGtjkw9mSF7yD9mlaOMUNK0m1nojhmJEGDqRyIVCNLaSGFqqmvOIN77YtGq2ihwzi 1SIsfj6CizkTs+g52S5yFDML67ZHYOAPUnijJQMPmozI3huZea6dnO2i+owFyyppM+ qOD639UU3Xux1TodgtxoOgV7djxOHmteHhhfBt9AzgcbtliitV7DpwH884PRNZmaYG ly8JpMkWq9vig== Date: Sat, 7 Dec 2024 07:18:17 +0000 From: Wei Liu To: Olaf Hering Cc: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui Subject: Re: [PATCH v1] tools/hv: reduce resouce usage in hv_kvp_daemon Message-ID: References: <20241202123520.27812-1-olaf@aepfle.de> Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241202123520.27812-1-olaf@aepfle.de> On Mon, Dec 02, 2024 at 01:35:16PM +0100, Olaf Hering wrote: > hv_kvp_daemon uses popen(3) and system(3) as convinience helper to > launch external helpers. These helpers are invoked via a > temporary shell process. There is no need to keep this temporary > process around while the helper runs. Replace this temporary shell > with the actual helper process via 'exec'. > > Signed-off-by: Olaf Hering Acked-by: Wei Liu