Ugh. Didn't realize that. On September 29, 2015 11:22:04 AM PDT, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: >On Tue, Sep 29, 2015 at 11:18 AM, H. Peter Anvin <hpa@xxxxxxxxx> wrote: >> SGDT would be easy to use, and it is logical that it is faster since >it reads an internal register. SIDT does too but unlike the GDT has a >secondary limit (it can never be larger than 4096 bytes) and so all >limits in the range 4095-65535 are exactly equivalent. >> > >Using the IDT limit would have been a great ideal if Intel hadn't >decided to clobber it on every VM exit. > >--Andy -- Sent from my Android device with K-9 Mail. Please excuse my brevity. -- 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