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From: | Paul Brook |
Subject: | Re: [Qemu-devel] [PATCH] fix gdbstub support for multiple threads in usermode, v2 |
Date: | Tue, 2 Jun 2009 22:56:24 +0100 |
User-agent: | KMail/1.11.2 (Linux/2.6.29-2-amd64; KDE/4.2.2; x86_64; ; ) |
> > 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
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