Re: [Xen-devel] [PATCH v4 5/7] xen/x86: disable global pages for domains with XPTI active

>>> On 27.03.18 at 11:07, wrote: > Instead of flushing the TLB from global pages when switching address > spaces with XPTI being active just disable global pages via %cr4 > completely when a domain subject to XPTI is active. This avoids the > need for extra TLB flushes as loading

[Xen-devel] [PATCH v4 5/7] xen/x86: disable global pages for domains with XPTI active

Instead of flushing the TLB from global pages when switching address spaces with XPTI being active just disable global pages via %cr4 completely when a domain subject to XPTI is active. This avoids the need for extra TLB flushes as loading %cr3 will remove all TLB entries. In order to avoid