On Thu, Jan 02, 2020 at 02:59:53PM +0000, Andrew Cooper wrote: > The jmp after setting %cr0 is redundant with the following ljmp. > > The CPUID to protect the jump to higher mappings was inserted due to an > abundance of caution/paranoia before Spectre was public. There is not a > matching protection in the S3 resume path, and there is nothing > interesting in memory at this point.
What do you mean by "there is nothing interesting in memory" here? As far as I can tell idel page table has been loaded. During AP bring-up it contains runtime data, no? Wei. _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
