Mailinglist Archive: opensuse-factory (439 mails)

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Re: [opensuse-factory] Huge single-core performance loss with spectre v2 mitigation enabled (it's the default)
On 4/10/19 1:31 PM, Jiri Slaby wrote:

They don't even have IBRS support in their kernels AFAIR.

retpolines are not complete protection on skylake+. Coffee lake has
EIBRS which should restore the performance a bit. Perhaps, one day,
Intel will add EIBRS support also to Skylake, if possible (I don't
remember the details).

What processor model do you have?

It's a Core i7-8850H, so Cofee lake.
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