[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH v2 13/14] x86/cpuid: Handle leaf 0x8000001c in guest_cpuid()



>>> On 23.01.17 at 15:39, <andrew.cooper3@xxxxxxxxxx> wrote:
> Leaf 0x8000001c contains LWP information.  edx contains hardware supported
> features (and is clamped against the maximum), while ecx and ebx contain
> various properties of the implementation.  eax is entirely dynamic, depending
> on xcr0 and MSR_LWP_CFG.
> 
> The call to guest_cpuid() in svm_update_lwp_cfg() can now be replaced by
> reading the data straight out of the cpuid_policy block.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.