Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

Pull x86 cpuid changes from Ingo Molnar:
 "The biggest change is x86 CPU bug handling refactoring and cleanups,
  by Borislav Petkov"

* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, CPU, AMD: Drop useless label
  x86, AMD: Correct {rd,wr}msr_amd_safe warnings
  x86: Fold-in trivial check_config function
  x86, cpu: Convert AMD Erratum 400
  x86, cpu: Convert AMD Erratum 383
  x86, cpu: Convert Cyrix coma bug detection
  x86, cpu: Convert FDIV bug detection
  x86, cpu: Convert F00F bug detection
  x86, cpu: Expand cpufeature facility to include cpu bugs

diff --cc arch/x86/include/asm/cpufeature.h
Simple merge

diff --cc arch/x86/kernel/cpu/intel.c
Simple merge

diff --cc arch/x86/kernel/process.c
index 6833bffaadb7f07734ce9ed57851f4e4645ba7c7,e718f150c880ead27e5b0de8b89739cefe76d7ed..14fcf55a5c5b7c0ac5257050ac2e7b679dfff78f
--- 1/arch/x86/kernel/process.c
--- 2/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@@ -438,13 -489,13 +438,13 @@@ static void amd_e400_idle(void
  void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c)
  {
  #ifdef CONFIG_SMP
 -      if (x86_idle == poll_idle && smp_num_siblings > 1)
 +      if (boot_option_idle_override == IDLE_POLL && smp_num_siblings > 1)
                pr_warn_once("WARNING: polling idle and HT enabled, performance may degrade\n");
  #endif
 -      if (x86_idle)
 +      if (x86_idle || boot_option_idle_override == IDLE_POLL)
                return;
  
-       if (cpu_has_amd_erratum(amd_erratum_400)) {
+       if (cpu_has_bug(c, X86_BUG_AMD_APIC_C1E)) {
                /* E400: APIC timer interrupt does not wake up CPU from C1e */
                pr_info("using AMD E400 aware idle routine\n");
                x86_idle = amd_e400_idle;

diff --cc arch/x86/kernel/setup.c
Simple merge

diff --cc arch/x86/mm/fault.c
Simple merge