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From: | Robin Randhawa |
Subject: | Re: [Qemu-devel] What about SMP support in QEMU? |
Date: | Thu, 17 Sep 2009 08:07:14 +0100 |
Hi Naruil. On 16 Sep 2009, at 14:21, Naruil wrote:
Is SMP supported in qemu on the following target architectures? ARM SPARC MIPS
AFAIK, qemu ARM has SMP support. More specifically, qemu models an ARM11 MPCore on a realview baseboard system. It is capable of booting Linux SMP on this model.
FYI, (and this is based on cursory examination so could be wrong) - qemu's SMP support is not 'concurrent' - qemu switches between the emulation of individual MPCores and there is no mapping of core emulation to host cores (that would be a more realistic model of SMP concurrency) since that is fraught with locking overheads etc and is likely to make the qemu translation process very slow.
HTH, Robin
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