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xen-devel
Re: [Xen-devel] Patch question (Hyper-Threading support)
On 28 Mar 2006, at 09:28, Elizeu Santos-Neto wrote:
What I meant by HT support was the construction of sibling maps by the
Guest OS smp-kernel using information about the core ids from the VCPU.
More precisely, I've found the following comment in the file:
./linux-2.6-xen-sparse/arch/xen/kernel/smpboot.c
/* Currently, Xen gives no dynamic NUMA/HT info. */
Thus, I modified this file and a couple of other to allow the guest os
kernel to build the siblings map properly.
Ah, I see. Those platform files (e.g., smpboot.c, mpparse.c. ,,,) are
all kept in sync with linux-2.6 codebase. We generally don't modify
them much for Xen and periodically (every couple of months) I pull in
the latest versions from linux. That's what's happened here.
-- Keir
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