From: Greg KH <greg@kroah.com>
To: Thomas Bertschinger <tahbertschinger@gmail.com>
Cc: ojeda@kernel.org, alex.gaynor@gmail.com, wedsonaf@gmail.com,
rust-for-linux@vger.kernel.org,
Martin Rodriguez Reboredo <yakoyoku@gmail.com>,
Alice Ryhl <aliceryhl@google.com>
Subject: Re: [PATCH v2] rust: place generated init_module() function in .init.text
Date: Tue, 6 Feb 2024 10:01:00 +0000 [thread overview]
Message-ID: <2024020646-browbeat-cozily-0bf2@gregkh> (raw)
In-Reply-To: <20240206012535.480193-1-tahbertschinger@gmail.com>
On Mon, Feb 05, 2024 at 06:25:35PM -0700, Thomas Bertschinger wrote:
> diff --git a/rust/macros/module.rs b/rust/macros/module.rs
> index d62d8710d77a..e54293faf523 100644
> --- a/rust/macros/module.rs
> +++ b/rust/macros/module.rs
> @@ -222,10 +222,14 @@ pub(crate) fn module(ts: TokenStream) -> TokenStream {
> }};
>
> // Loadable modules need to export the `{{init,cleanup}}_module` identifiers.
> + /// # Safety
> + /// This function must only be called once, during module initialization, because it
> + /// may be freed after it returns.
"once" is not right, it can be called zillions of times, it's just that
it can't be called _AFTER_ module_init() is over for the file, as it
will no longer be present in memory.
So technically, the wording you added here isn't correct, sorry.
thanks,
greg k-h
next prev parent reply other threads:[~2024-02-06 10:01 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-06 1:25 [PATCH v2] rust: place generated init_module() function in .init.text Thomas Bertschinger
2024-02-06 1:39 ` Martin Rodriguez Reboredo
2024-02-06 2:13 ` Thomas Bertschinger
2024-02-06 3:10 ` Trevor Gross
2024-02-06 3:17 ` Trevor Gross
2024-02-06 10:01 ` Greg KH [this message]
2024-02-06 10:51 ` Miguel Ojeda
2024-02-06 10:58 ` Greg KH
2024-02-06 11:31 ` Miguel Ojeda
2024-02-06 14:49 ` Thomas Bertschinger
2024-02-06 16:07 ` Martin Rodriguez Reboredo
2024-02-06 17:19 ` Miguel Ojeda
2024-02-06 21:28 ` Martin Rodriguez Reboredo
2024-02-06 17:19 ` Miguel Ojeda
2024-02-06 10:01 ` Greg KH
2024-02-06 10:29 ` Alice Ryhl
2024-02-06 10:50 ` Greg KH
2024-02-06 11:18 ` Miguel Ojeda
2024-02-06 10:57 ` Miguel Ojeda
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