>>> On 20.11.18 at 15:37, <andrew.coop...@citrix.com> wrote: > The final remnanat of PVRDTSCP is that we would emulate RDTSCP even on > hardware which lacked the instruction. RDTSCP is available on almost all > 64-bit x86 hardware. > > Remove this emulation, drop the TSC_MODE_PVRDTSCP constant, and allow RDTSCP > in a PV guest's CPUID policy. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
In the interest of not holding up things Acked-by: Jan Beulich <jbeul...@suse.com> but I would have appreciated if you had responded on the v1 thread, as I continue to fail to see the meaningfully larger attack surface with the emulation left in place. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
