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SubjectRe: [patch V9 00/39] x86/entry: Rework leftovers (was part V)
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On 04/06/20 15:25, Peter Zijlstra wrote:
> It being enabled through IA32_DEBUGCTL instead of through DR7 means that
> the current code doesn't disable it and this then means we can have
> nested #DB again.

/me bangs head on door

> Who sodding throught this was a good idea ?! What happened to #AC that
> SLD currently uses?

It was per-core and (presumably) considered unfixable?

Paolo

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