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SubjectRe: [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.

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