On Wed, Nov 30, 2016 at 12:34:55PM -0800, Andy Lutomirski wrote:
> Aside from being excessively slow, CPUID is problematic: Linux runs
> on a handful of CPUs that don't have CPUID. MOV to CR2 is always
> available, so use it instead.
> Signed-off-by: Andy Lutomirski <l...@kernel.org>
> arch/x86/include/asm/processor.h | 31 ++++++++-----------------------
> 1 file changed, 8 insertions(+), 23 deletions(-)
I'm wondering if we should leave this one in tip for an additional cycle
to have it tested on more hw. I know, it is architectural and so on but
who knows what every implementation actually does...
Good mailing practices for 400: avoid top-posting and trim the reply.