Re: Paravirt KVM capabilities

* Rusty Russell [off-list ref] wrote:

quoted

so how can both "Xen and lhype get native syscall speeds (within 
measurement error)", if it cannot use SYSENTER (it has to use int 
$0x80), while a HVM kernel can?

Sorry, my mistake.  I was measuring with a statically linked binary, 
which didn't use SYSENTER even when available 8(

I've fixed virtbench now, and reflects this correctly.

"syscalls almost as fast as poorly-implemented native syscalls"?

hehe :-)

	Ingo

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