Re: [PATCH v2 1/2] KVM: SVM: Replace svm_has() by standard Linux cpuid accessors

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

 



On 11/11/2010 04:46 PM, Joerg Roedel wrote:
On Tue, Nov 09, 2010 at 04:15:42PM +0200, Avi Kivity wrote:
>  -	if (nr == BP_VECTOR&&  !svm_has(SVM_FEATURE_NRIP)) {
>  +	if (nr == BP_VECTOR&&  !static_cpu_has(X86_FEATURE_NRIPS)) {

What is static_cpu_has

It's like boot_cpu_has, only it works by patching instead of a dynamic test.

and why you use it only here and boot_cpu_has
in all other places?

A nano optimization, this is a more commonly used path.

--
error compiling committee.c: too many arguments to function

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux