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 0D73339ACD; Wed, 15 May 2024 05:34:11 +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=1715751252; cv=none; b=Smhs+iWj2uoqkyvmnpcqhgWMCvg+si9Rwpvy4G5bV+3Ttowzb4D1buNbVJjKSN9DYuyXoj8sH4H4fFm5oNWSm6VhC379w5XeDAl9ViM/xxWheY+Y0i9ggEEXDyCY9kbRkYm6tCNMHFDVfpz7KSr0kpZ+x31+KxwAYPd8ctAIVP8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715751252; c=relaxed/simple; bh=wSb8ns8IYZ3jF3HlcEZvCD5f6COiy9Og6hXxxUm6NI8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=LJyDS+mwTSs6/Fp3/1mkJn5B9YCY6tCxOxxUjVtAhdsTpfnJUA0iQGw2VZZkqTSgp9Fpd2EG4B6CXGnMXL4rlDNb2LNJ4uU22+O1GBT96AgwmZPotJizQOrtDftWuuWj7Rkgnwpv90+aQ9jfhC4nt0YHYrFTLxzqPYo5yKPip7M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=EkXoEdxd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="EkXoEdxd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF115C116B1; Wed, 15 May 2024 05:34:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1715751251; bh=wSb8ns8IYZ3jF3HlcEZvCD5f6COiy9Og6hXxxUm6NI8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=EkXoEdxdufurf2ejP3e8GacLs23Ir9io+Z1Sq4qTFZSM3vx/dnPIclnY0aKAhVf3L x+rFw38ymOqlv0+Gluk6x35UhNsJoOTE4JIqLJTsY1KDQ2lnKMZ3Q1tenbovMOq0Pd 7VBdUa7hAnsACpceW24rSuCol+Ca86eL9vjc9T5U= Date: Wed, 15 May 2024 07:34:07 +0200 From: Greg Kroah-Hartman To: Yuanchu Xie Cc: Wei Liu , Rob Bradford , Theodore Ts'o , Pasha Tatashin , Jonathan Corbet , Thomas Zimmermann , Dan Williams , Tom Lendacky , Kuppuswamy Sathyanarayanan , linux-kernel@vger.kernel.org, linux-mm@kvack.org, virtualization@lists.linux.dev, dev@lists.cloudhypervisor.org Subject: Re: [RFC PATCH v1 1/2] virt: memctl: control guest physical memory properties Message-ID: <2024051533-cyclic-unshipped-5599@gregkh> References: <20240514020301.1835794-1-yuanchu@google.com> <2024051414-untie-deviant-ed35@gregkh> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Tue, May 14, 2024 at 06:21:57PM -0700, Yuanchu Xie wrote: > On Tue, May 14, 2024 at 9:06 AM Greg Kroah-Hartman > wrote: > > > > On Mon, May 13, 2024 at 07:03:00PM -0700, Yuanchu Xie wrote: > > > Memctl provides a way for the guest to control its physical memory > > > properties, and enables optimizations and security features. For > > > example, the guest can provide information to the host where parts of a > > > hugepage may be unbacked, or sensitive data may not be swapped out, etc. > > >... > > Pretty generic name for a hardware-specific driver :( > It's not for real hardware btw. Its use case is similar to pvpanic > where the device is emulated by the VMM. I can change the name if it's > a problem. This file is only used for a single PCI device, that is very hardware-specific even if that hardware is "fake" :) Please make the name more specific as well. thanks, greg k-h