From: Greg KH <gregkh@linuxfoundation.org>
To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>,
FUJITA Tomonori <fujita.tomonori@gmail.com>,
netdev@vger.kernel.org, rust-for-linux@vger.kernel.org,
tmgross@umich.edu, Andrea Righi <andrea.righi@canonical.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH net-next v3 0/3] Rust abstractions for network PHY drivers
Date: Mon, 9 Oct 2023 17:14:16 +0200 [thread overview]
Message-ID: <2023100926-polygon-robin-8327@gregkh> (raw)
In-Reply-To: <CANiq72=A_HMc3nwxk-EGzuDGRBSCfdzKGj=M-snbd8cidQLfuQ@mail.gmail.com>
On Mon, Oct 09, 2023 at 05:06:45PM +0200, Miguel Ojeda wrote:
> On Mon, Oct 9, 2023 at 4:52 PM Greg KH <gregkh@linuxfoundation.org> wrote:
> >
> > Then the main CONFIG_HAVE_RUST should have that dependency, don't force
> > it on each individual driver.
>
> Yes, that is what I meant (well, `CONFIG_RUST` is where we have the
> other restrictions).
Oops, yes, add it there please.
> > But note, that is probably not a good marketing statement as you are
> > forced to make your system more insecure in order to use the "secure"
> > language :(
>
> Indeed, but until we catch up on that, it is what it is; i.e. it is
> not something that we want to keep there, it has to go away to make it
> viable.
Is anyone working on the needed compiler changes for this to work
properly on x86?
> The other option we discussed back then was to print a big banner or
> something at runtime, but that is also not great (and people would
> still see warnings at build time -- for good reason).
No, please don't do that, you would be making systems insecure and the
mix of a kernel image with, and without, RET statements in it is going
to be a huge mess. Just disable CONFIG_RUST for now until proper
retbleed support is added to the compiler.
thanks,
greg k-h
next prev parent reply other threads:[~2023-10-09 15:14 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-09 1:39 [PATCH net-next v3 0/3] Rust abstractions for network PHY drivers FUJITA Tomonori
2023-10-09 1:39 ` [PATCH net-next v3 1/3] rust: core " FUJITA Tomonori
2023-10-09 3:17 ` Trevor Gross
2023-10-09 12:19 ` Benno Lossin
2023-10-09 13:02 ` Andrew Lunn
2023-10-09 13:56 ` Benno Lossin
2023-10-09 14:13 ` Andrew Lunn
2023-10-11 14:16 ` FUJITA Tomonori
2023-10-09 12:59 ` Miguel Ojeda
2023-10-09 13:49 ` FUJITA Tomonori
2023-10-09 14:32 ` Miguel Ojeda
2023-10-09 15:15 ` FUJITA Tomonori
2023-10-09 15:19 ` Miguel Ojeda
2023-10-09 15:11 ` Greg KH
2023-10-09 15:24 ` FUJITA Tomonori
2023-10-09 15:39 ` Miguel Ojeda
2023-10-09 15:50 ` FUJITA Tomonori
2023-10-11 9:59 ` Miguel Ojeda
2023-10-11 23:18 ` FUJITA Tomonori
2023-10-13 11:59 ` Miguel Ojeda
2023-10-13 15:15 ` FUJITA Tomonori
2023-10-13 18:33 ` Miguel Ojeda
2023-10-14 12:31 ` FUJITA Tomonori
2023-10-14 16:19 ` Miguel Ojeda
2023-10-12 0:29 ` FUJITA Tomonori
2023-10-09 21:07 ` Trevor Gross
2023-10-09 21:21 ` Andrew Lunn
2023-10-11 7:04 ` FUJITA Tomonori
2023-10-09 13:54 ` Andrew Lunn
2023-10-09 14:48 ` Miguel Ojeda
2023-10-09 17:04 ` Andrew Lunn
2023-10-12 3:59 ` FUJITA Tomonori
2023-10-12 4:43 ` Trevor Gross
2023-10-12 7:09 ` FUJITA Tomonori
2023-10-11 18:29 ` Boqun Feng
2023-10-12 5:58 ` FUJITA Tomonori
2023-10-12 6:34 ` Boqun Feng
2023-10-12 6:44 ` FUJITA Tomonori
2023-10-12 7:02 ` FUJITA Tomonori
2023-10-12 7:13 ` Boqun Feng
2023-10-12 7:32 ` Trevor Gross
2023-10-12 7:58 ` FUJITA Tomonori
2023-10-12 9:10 ` Benno Lossin
2023-10-13 4:17 ` Boqun Feng
2023-10-13 5:45 ` FUJITA Tomonori
2023-10-13 7:56 ` Benno Lossin
2023-10-13 9:53 ` FUJITA Tomonori
2023-10-13 10:03 ` Benno Lossin
2023-10-13 10:53 ` FUJITA Tomonori
2023-10-14 7:47 ` Benno Lossin
2023-10-14 21:55 ` Andrew Lunn
2023-10-14 22:18 ` Benno Lossin
2023-10-14 22:33 ` Andrew Lunn
2023-10-14 4:11 ` Boqun Feng
2023-10-14 11:59 ` Miguel Ojeda
2023-10-12 7:07 ` Boqun Feng
2023-10-09 1:39 ` [PATCH net-next v3 2/3] MAINTAINERS: add Rust PHY abstractions to the ETHERNET PHY LIBRARY FUJITA Tomonori
2023-10-09 1:39 ` [PATCH net-next v3 3/3] net: phy: add Rust Asix PHY driver FUJITA Tomonori
2023-10-09 3:22 ` Trevor Gross
2023-10-09 7:23 ` Jiri Pirko
2023-10-09 10:58 ` Miguel Ojeda
2023-10-09 11:41 ` FUJITA Tomonori
2023-10-09 12:32 ` Andrew Lunn
2023-10-09 14:01 ` Miguel Ojeda
2023-10-09 14:31 ` Andrew Lunn
2023-10-09 15:27 ` Miguel Ojeda
2023-10-09 15:35 ` Miguel Ojeda
2023-10-09 16:09 ` Andrew Lunn
2023-10-09 10:10 ` Greg KH
2023-10-12 11:57 ` FUJITA Tomonori
2023-10-09 12:42 ` Benno Lossin
2023-10-09 13:15 ` Andrew Lunn
2023-10-09 13:45 ` Benno Lossin
2023-10-09 12:48 ` [PATCH net-next v3 0/3] Rust abstractions for network PHY drivers Andrew Lunn
2023-10-09 12:53 ` Miguel Ojeda
2023-10-09 13:06 ` Greg KH
2023-10-09 14:13 ` Miguel Ojeda
2023-10-09 14:52 ` Greg KH
2023-10-09 15:06 ` Miguel Ojeda
2023-10-09 15:14 ` Greg KH [this message]
2023-10-09 15:15 ` Miguel Ojeda
2023-10-09 13:24 ` Andrew Lunn
2023-10-09 13:36 ` Miguel Ojeda
2023-10-09 14:21 ` Andrea Righi
2023-10-09 14:22 ` Miguel Ojeda
2023-10-09 14:56 ` Andrew Lunn
2023-10-09 15:04 ` Greg KH
2023-10-09 15:10 ` Miguel Ojeda
2023-10-09 15:15 ` Miguel Ojeda
2023-10-09 14:56 ` Greg KH
2023-10-09 15:09 ` Andrea Righi
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