From: Christoph Hellwig <hch@infradead.org>
To: Matthew Wilcox <willy@infradead.org>
Cc: Mary Strodl <mstrodl@freedom.csh.rit.edu>,
Christoph Hellwig <hch@infradead.org>,
Mary Strodl <mstrodl@csh.rit.edu>,
linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
urezki@gmail.com, linux-mm@kvack.org, lee@kernel.org,
andi.shyti@kernel.org, linux-i2c@vger.kernel.org,
s.hauer@pengutronix.de, christian.gmeiner@gmail.com
Subject: Re: [PATCH 1/3] mm: vmalloc: export __vmalloc_node_range
Date: Thu, 18 Jul 2024 05:49:14 -0700 [thread overview]
Message-ID: <ZpkPStwq_S3mJYb5@infradead.org> (raw)
In-Reply-To: <ZpkOV3mdOU1b8vMn@casper.infradead.org>
On Thu, Jul 18, 2024 at 01:45:11PM +0100, Matthew Wilcox wrote:
> On Thu, Jul 18, 2024 at 08:40:27AM -0400, Mary Strodl wrote:
> > On Wed, Jul 17, 2024 at 08:04:01PM -0700, Christoph Hellwig wrote:
> > > NAK to a driver creating random writable and exectutable memory:
> >
> > Is there a better way to do what I'm trying to do? Or some way to
> > expose this functionality with more guard rails so that it's a
> > little bit safer?
>
> No, there is no way to do what you're trying to do.
IFF it is absolutely required to run BIOS provided executable code,
the best way to do that is in a separate userspace process.
next prev parent reply other threads:[~2024-07-18 12:49 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-18 1:15 [PATCH 0/3] Add support for Congatec CGEB BIOS interface Mary Strodl
2024-07-18 1:15 ` [PATCH 1/3] mm: vmalloc: export __vmalloc_node_range Mary Strodl
2024-07-18 2:53 ` Andrew Morton
2024-07-18 12:29 ` Mary Strodl
2024-07-18 3:04 ` Christoph Hellwig
2024-07-18 12:40 ` Mary Strodl
2024-07-18 12:45 ` Matthew Wilcox
2024-07-18 12:49 ` Christoph Hellwig [this message]
2024-07-18 12:53 ` Matthew Wilcox
2024-07-18 13:20 ` Mary Strodl
2024-07-18 21:31 ` Andrew Morton
2024-07-18 21:35 ` Matthew Wilcox
2024-07-18 21:39 ` Andrew Morton
2024-07-19 6:41 ` Christian Gmeiner
2024-07-19 11:58 ` Mary Strodl
2024-07-19 12:42 ` Matthew Wilcox
2024-07-24 0:00 ` Andrew Morton
2024-07-24 0:16 ` Matthew Wilcox
2024-07-24 1:36 ` Christoph Hellwig
2024-07-19 19:59 ` Rudolf Marek
2024-07-22 14:54 ` Mary Strodl
2024-07-18 1:15 ` [PATCH 2/3] x86: Add basic support for the Congatec CGEB BIOS interface Mary Strodl
2024-07-18 3:56 ` kernel test robot
2024-07-18 14:01 ` kernel test robot
2024-07-18 1:15 ` [PATCH 3/3] i2c: Add Congatec CGEB I2C driver Mary Strodl
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