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From: Adrian Bunk <bunk@kernel.org>
To: Josh Triplett <josh@joshtriplett.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>,
	alex.gaynor@gmail.com, geofft@ldpreload.com,
	jbaublitz@redhat.com, Masahiro Yamada <masahiroy@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	LKML <linux-kernel@vger.kernel.org>,
	clang-built-linux <clang-built-linux@googlegroups.com>
Subject: Re: Linux kernel in-tree Rust support
Date: Mon, 24 Aug 2020 00:02:46 +0300
Message-ID: <20200823210246.GA1811@localhost> (raw)
In-Reply-To: <20200712193944.GA81641@localhost>

On Sun, Jul 12, 2020 at 12:39:44PM -0700, Josh Triplett wrote:
>...
> Rust has hard stability guarantees when upgrading from one stable
> version to the next. If code compiles with a given stable version of
> Rust, it'll compile with a newer stable version of Rust.
>...

In librsvg, breakages with more recent Rust versions in the past year
required updates of two vendored crates:
https://gitlab.gnome.org/GNOME/librsvg/-/commit/de26c4d8b192ed0224e6d38f54e429838608b902
https://gitlab.gnome.org/GNOME/librsvg/-/commit/696e4a6be2aeb00ea27945f94da066757431684d

For updating Rust in Debian stable for the next Firefox ESR update it 
would actually be useful if these violations of the "hard stability 
guarantee" in Rust get fixed, so that the old librsvg 2.44.10 builds 
again with the latest Rust.

It also makes me wonder how such regressions slip into Rust releases.

cu
Adrian

  parent reply index

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-09 18:41 Nick Desaulniers
2020-07-09 20:52 ` Miguel Ojeda
2020-07-10  5:36 ` Josh Triplett
2020-07-10  6:28 ` Greg KH
2020-07-10 12:50   ` Christian Brauner
2020-07-10 16:10     ` Kees Cook
     [not found]       ` <CAFRnB2WNo45J8h3-ncopLKENvcO0rf7J3xsy_eRKwFSpDD-5sQ@mail.gmail.com>
2020-07-10 23:05         ` Kees Cook
2020-07-10 22:59     ` Josh Triplett
2020-07-10 23:54       ` Linus Torvalds
2020-07-11 21:03         ` Josh Triplett
2020-07-28 20:40           ` Pavel Machek
2020-07-29  6:34             ` Josh Triplett
2020-07-11 17:13 ` Geoffrey Thomas
2020-07-12 12:31 ` Adrian Bunk
2020-07-12 19:39   ` Josh Triplett
2020-07-12 20:33     ` Linus Torvalds
2020-07-12 20:45     ` Adrian Bunk
2020-07-14  8:27       ` David Laight
2020-07-16 13:06     ` Arnd Bergmann
2020-07-16 23:12       ` Josh Triplett
2020-07-19 18:19       ` Adrian Bunk
2020-07-20 14:46         ` David Laight
2020-08-23 21:02     ` Adrian Bunk [this message]
2020-08-23 21:54       ` Geoffrey Thomas
2020-07-13 18:11 ` Eric W. Biederman
2020-07-13 21:33   ` Josh Triplett

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