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Date: Tue, 11 Mar 2014 22:35:34 +0200
From: "Michael S. Tsirkin" <mst@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] qemu-thread-posix: Fix build against older
 glibc version
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: Kevin Wolf <kwolf@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Jan Kiszka <jan.kiszka@siemens.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, QEMU Developers <qemu-devel@nongnu.org>, Gerd Hoffmann <kraxel@redhat.com>, Anthony Liguori <aliguori@amazon.com>, Laszlo Ersek <lersek@redhat.com>

On Tue, Mar 11, 2014 at 08:27:58PM +0000, Peter Maydell wrote:
> On 11 March 2014 20:03, Michael S. Tsirkin <mst@redhat.com> wrote:
> > Because we don't want people to start relying on thread naming to
> > manage the threads outside qemu.
> 
> Then document that it isn't stable; anybody who relies
> on it deserves what they get.
> If we put a command line
> argument on it then people will still be able to incorrectly
> rely on thread naming by using the command line option.


Where would you document this?

The idea was that "debug" in name is a hint.

> > There also can be existing tools that would break if
> > we changed thread names.
> 
> In this case surely we are already stuck with our current
> threading model?  I would be anyway happy to say "you
> relied on undefined and unstable behaviour so tough"...
> 
> On the other hand, a new command line switch really is
> user interface which we have to carry around and support
> for ever.
> 
> thanks
> -- PMM