On Mon, Feb 08, 2010 at 02:42:33PM -0500, John Baldwin wrote: > On Monday 08 February 2010 1:51:46 pm Kostik Belousov wrote: > > On Mon, Feb 08, 2010 at 01:15:06PM -0500, John Baldwin wrote: > > > > > I thought the old condition only happened under VMware? > > > > > > > > Reports I got where from XEN. > > > > > > Ok. Those would also be covered under the vm_guest test as it is > > > non-zero for Xen, VMware, Parallels, etc. > > > > What I said was suggestion and not objection. Ignore me. > > Were there any reports of problems with Intel CPUs that weren't under a > virtualization system? If so, we should keep the test, but my understanding > was that the test was only true under specific virtualization environments.
Forcing Intel CPU to use CLFLUSH, by clearing SS bit, caused reserved trap on Pentium M at least. My concern is that if Intel makes some stripped-down CPU with CLFLUSH but without SS logic, we would be affected.
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