Re: umip: AMD Ryzen 3900X, pagefault after emulate SLDT/SIDT instruction

From: Andreas Rammhold
Date: Fri May 22 2020 - 22:19:47 EST


On 12:43 19.05.20, Ricardo Neri wrote:
> I have a patch for this already that I wrote for testing purposes:
> https://github.com/ricardon/tip/commit/1692889cb3f8accb523d44b682458e234b93be50
> Perhaps it can be used as a starting point? Not sure what the spoofing
> value should be, though. Perhaps 0?

I tried the above patch (in modified/rebased version; hope that didn't
kill it [0]). The results are negative, as without the patch.

[0] https://github.com/andir/linux/commit/bda858f44a860762bc484da62833f57462220874