On Tue, Sep 29, 2015 at 11:18 AM, H. Peter Anvin <h...@zytor.com> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
