From: Paul Brook <paul@codesourcery.com>
To: Nathan Froyd <froydnj@codesourcery.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] fix gdbstub support for multiple threads in usermode, v2
Date: Tue, 2 Jun 2009 22:56:24 +0100 [thread overview]
Message-ID: <200906022256.24790.paul@codesourcery.com> (raw)
In-Reply-To: <20090602214828.GC21107@codesourcery.com>
> > Could we use the real TID? Seems silly to invent a new value when the
> > host has already found one for us...
>
> That would work for threaded usermode emulation. But for multiple-cpu
> system-mode emulation, the CPUs are unlikely to have unique TID values
> (e.g. r2 on powerpc or what have you). And if you're going to support
> hotplugging someday, you're going to have support generation of unique
> IDs somewhere along the way. Using the same code for usermode and
> system mode seems like the better, more robust/future-proof option.
Using threads for CPU emulation is just plain wrong.
Paul
next prev parent reply other threads:[~2009-06-02 21:56 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-02 19:53 [Qemu-devel] [PATCH] fix gdbstub support for multiple threads in usermode, v2 Nathan Froyd
2009-06-02 20:08 ` Paul Brook
2009-06-02 20:46 ` Daniel Jacobowitz
2009-06-02 20:54 ` Nathan Froyd
2009-06-02 21:14 ` Paul Brook
2009-06-02 21:48 ` Nathan Froyd
2009-06-02 21:56 ` Paul Brook [this message]
2009-06-16 19:11 ` [Qemu-devel] " Antti P Miettinen
2009-06-16 19:25 ` Paul Brook
2009-06-16 20:02 ` Antti P Miettinen
2009-06-17 16:39 ` Jan Kiszka
2009-06-02 22:44 ` Jan Kiszka
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