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Re: [Qemu-devel] v2: KVM: support for 'count' in CPUID functions 4, 0xb
Re: [Qemu-devel] v2: KVM: support for 'count' in CPUID functions 4, 0xb and 0xd.
Tue, 13 Jan 2009 09:25:32 +0100
On 13.01.2009, at 08:09, Amit Shah wrote:
These two patches were sent separately earlier. There are a couple of
small changes in this version, including removal of a debug message
was left behind.
Are you sure this actually implements the CPUID 4 leaf? I bet it
simply submits multiple KVM_SET_CPUID ioctls, from which the kernel
module picks the last one (0), not exposing _any_ cache information to
For exactly this purpose KVM_SET_CPUID2 was introduced quite a while
ago, enabling support for all CPUID leaf flavors on the kernel side.
Merely the userspace call is missing.
Nevertheless - thanks for taking onto this. Cpuid4 enabling is one of
the (pretty low-prio) items on my TODO list for Mac OS X guest support.