On Wed, 2018-03-21 at 13:51 +0100, Juergen Gross wrote:
> On my machine (Intel i7-4600M) using the PCID feature in the non-XPTI
> case showed a slightly worse performance than using global pages
> instead (using PCID and global pages is a bad idea as invalidating
> global pages in this case would n
This patch series aims at reducing the overhead of the XPTI Meltdown
mitigation. It is based on Jan's XPTI speedup series.
Patch 1 had been posted before, the main changes in this patch are due
to addressing Jan's comments on my first version. The main objective of
that patch is to avoid copying t