From: "Zack Weinberg" <zack@owlfolio.org>
To: "David Howells" <dhowells@redhat.com>
Cc: "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
"Florian Weimer" <libc-alpha@sourceware.org>,
"linux-api@vger.kernel.org" <linux-api@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"David Laight" <David.Laight@aculab.com>,
"ltp@lists.linux.it" <ltp@lists.linux.it>
Subject: Re: [PATCH] uapi: Make __{u,s}64 match {u,}int64_t in userspace
Date: Thu, 02 Dec 2021 15:48:21 -0500 [thread overview]
Message-ID: <1e3867cd-2c8b-4fe1-93a6-c6ae34120f6b@www.fastmail.com> (raw)
In-Reply-To: <913509.1638457313@warthog.procyon.org.uk>
On Thu, Dec 2, 2021, at 10:01 AM, David Howells via Libc-alpha wrote:
> Zack Weinberg <zack@owlfolio.org> wrote:
>> I could be persuaded otherwise with an example of a program for which
>> changing __s64 from 'long long' to 'long' would break *binary* backward
>> compatibility, or similarly for __u64.
>
> C++ could break.
That's too hypothetical to be actionable. I would like to see a _specific program_, and I would like it to be one that already exists in the world and was not written as a test case for this hypothetical ABI break.
zw
next prev parent reply other threads:[~2021-12-02 20:48 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-22 16:43 [PATCH] uapi: Make __{u,s}64 match {u,}int64_t in userspace Cyril Hrubis
2021-11-22 16:51 ` Alejandro Colomar (mailing lists)
2021-11-22 20:48 ` Arnd Bergmann
2021-11-23 9:14 ` Cyril Hrubis
2021-11-23 14:18 ` Arnd Bergmann
2021-11-23 19:50 ` Florian Weimer
2021-11-24 10:17 ` Alejandro Colomar (man-pages)
2021-11-22 22:19 ` Zack Weinberg
2021-11-23 9:15 ` Cyril Hrubis
2021-12-02 15:34 ` Rich Felker
2021-12-02 23:29 ` Rich Felker
2021-12-02 23:43 ` Adhemerval Zanella
2021-12-03 0:10 ` Zack Weinberg
2021-12-03 12:32 ` Adhemerval Zanella
2021-12-03 12:54 ` Alejandro Colomar (man-pages)
2021-11-23 16:47 ` David Howells
2021-11-23 16:58 ` David Laight
2021-11-29 11:58 ` Cyril Hrubis
2021-11-29 14:34 ` Arnd Bergmann
2021-12-02 14:55 ` Zack Weinberg
2021-12-02 15:01 ` David Howells
2021-12-02 20:48 ` Zack Weinberg [this message]
2021-12-08 15:33 ` Cyril Hrubis
2022-06-17 12:13 ` Ping: " Alejandro Colomar
2022-06-17 15:04 ` Cyril Hrubis
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