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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200906022256.24790.paul@codesourcery.com \
--to=paul@codesourcery.com \
--cc=froydnj@codesourcery.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.