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Subject: Re: C aggregate passing (Rust kernel policy)
From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>, Ventura Jack
	 <venturajack85@gmail.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>, "H. Peter Anvin"
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 rust-for-linux@vger.kernel.org, Ralf Jung <post@ralfj.de>
Date: Wed, 26 Feb 2025 09:26:50 -0500
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On Wed, 2025-02-26 at 14:53 +0100, Miguel Ojeda wrote:
> On Wed, Feb 26, 2025 at 2:03 PM Ventura Jack
> <venturajack85@gmail.com> wrote:
[...]
> > Exception/unwind safety may be another subject that increases
> > the difficulty of writing unsafe Rust.
> 
> Note that Rust panics in the kernel do not unwind.

I presume someone is working on this, right?  While rust isn't
pervasive enough yet for this to cause a problem, dumping a backtrace
is one of the key things we need to diagnose how something went wrong,
particularly for user bug reports where they can't seem to bisect.

Regards,

James