[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH v6 24/29] xen/x86: allow HVM guests to use hypercalls to bring up vCPUs




On 21/09/15 16:44, Jan Beulich wrote:
+    uint32_t cr0;
+    uint32_t cr3;
+    uint32_t cr4;
+    uint64_t efer;
What again was the point of having EFER here?


EFER.NX must match what the BSP chose to set up in the pagetables pointed to in %cr3, or a triple fault will occur.

~Andrew

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.