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From: Florian Weimer <fweimer@redhat.com>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: libc-alpha@sourceware.org, hpa@zytor.com,
	linux-api@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] Linux: Define struct termios2 in <termios.h> under _GNU_SOURCE [BZ #10339]
Date: Mon, 15 Apr 2019 14:28:48 +0200	[thread overview]
Message-ID: <87lg0b311b.fsf@oldenburg2.str.redhat.com> (raw)
In-Reply-To: <87lg0fbr1q.fsf@oldenburg2.str.redhat.com> (Florian Weimer's message of "Fri, 12 Apr 2019 09:50:41 +0200")

* Florian Weimer:

> My gut feeling is that it's safer to add new interfaces, based on the
> actual kernel/userspace interface, rather than trying to fix up existing
> interfaces with symbol versioning.  The main reason is that code
> involving serial interfaces is difficult to test, so it will take years
> until we find the last application broken by the glibc interface bump.
>
> I don't feel strongly about this.  This came out of a request for
> enabling TCGETS2 support downstream.  If I can't fix this upstream, I
> will just reject that request.

Any further comments on this matter?

Thanks,
Florian

WARNING: multiple messages have this Message-ID (diff)
From: Florian Weimer <fweimer@redhat.com>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: linux-api@vger.kernel.org, libc-alpha@sourceware.org,
	linuxppc-dev@lists.ozlabs.org, hpa@zytor.com
Subject: Re: [PATCH] Linux: Define struct termios2 in <termios.h> under _GNU_SOURCE [BZ #10339]
Date: Mon, 15 Apr 2019 14:28:48 +0200	[thread overview]
Message-ID: <87lg0b311b.fsf@oldenburg2.str.redhat.com> (raw)
In-Reply-To: <87lg0fbr1q.fsf@oldenburg2.str.redhat.com> (Florian Weimer's message of "Fri, 12 Apr 2019 09:50:41 +0200")

* Florian Weimer:

> My gut feeling is that it's safer to add new interfaces, based on the
> actual kernel/userspace interface, rather than trying to fix up existing
> interfaces with symbol versioning.  The main reason is that code
> involving serial interfaces is difficult to test, so it will take years
> until we find the last application broken by the glibc interface bump.
>
> I don't feel strongly about this.  This came out of a request for
> enabling TCGETS2 support downstream.  If I can't fix this upstream, I
> will just reject that request.

Any further comments on this matter?

Thanks,
Florian

  reply	other threads:[~2019-04-15 12:28 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-09 10:47 [PATCH] Linux: Define struct termios2 in <termios.h> under _GNU_SOURCE [BZ #10339] Florian Weimer
2019-04-09 10:47 ` Florian Weimer
2019-04-09 15:02 ` hpa
2019-04-09 15:02   ` hpa
2019-04-10  6:50   ` Florian Weimer
2019-04-10  6:50     ` Florian Weimer
2019-04-15 15:54     ` hpa
2019-04-15 15:54       ` hpa
2019-04-09 15:07 ` hpa
2019-04-09 15:07   ` hpa
2019-04-09 16:04   ` Florian Weimer
2019-04-09 16:04     ` Florian Weimer
2019-04-10 20:24 ` Adhemerval Zanella
2019-04-10 20:24   ` Adhemerval Zanella
2019-04-11 11:07   ` Florian Weimer
2019-04-11 11:07     ` Florian Weimer
2019-04-11 12:53     ` Adhemerval Zanella
2019-04-11 12:53       ` Adhemerval Zanella
2019-04-12  7:50       ` Florian Weimer
2019-04-12  7:50         ` Florian Weimer
2019-04-15 12:28         ` Florian Weimer [this message]
2019-04-15 12:28           ` Florian Weimer
2019-04-15 15:53         ` hpa
2019-04-15 15:53           ` hpa
2019-04-15 17:22           ` Adhemerval Zanella
2019-04-15 17:22             ` Adhemerval Zanella
2019-04-17 22:04             ` H. Peter Anvin
2019-04-17 22:04               ` H. Peter Anvin
2019-04-18 11:09               ` Adhemerval Zanella
2019-04-18 11:09                 ` Adhemerval Zanella
2019-04-18 14:46                 ` hpa
2019-04-18 14:46                   ` hpa
2019-04-16  9:59           ` Florian Weimer
2019-04-16  9:59             ` Florian Weimer
2019-04-16 12:11             ` Adhemerval Zanella
2019-04-16 12:11               ` Adhemerval Zanella
2019-04-17 22:06             ` H. Peter Anvin
2019-04-17 22:06               ` H. Peter Anvin
2019-04-17 21:22 ` Joseph Myers
2019-04-17 21:22   ` Joseph Myers

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