Re: [PATCH v3 04/17] perf: x86/ds: Handle guest PEBS overflow PMI and inject it to guest
On Wed, Jan 13, 2021 at 07:22:09PM +0100, Peter Zijlstra wrote: > Again; for the virt illiterate people here (me); why is it expensive to > check guest DS?
Remember, you're trying to get someone that thinks virt is the devil's work (me) to review virt patches. You get to spell things out in detail.