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

Pull x86 fixes from Ingo Molnar:
 "There's a number of fixes:

   - a round of fixes for CPUID-less legacy CPUs
   - a number of microcode loader fixes
   - i8042 detection robustization fixes
   - stack dump/unwinder fixes
   - x86 SoC platform driver fixes
   - a GCC 7 warning fix
   - virtualization related fixes"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  Revert "x86/unwind: Detect bad stack return address"
  x86/paravirt: Mark unused patch_default label
  x86/microcode/AMD: Reload proper initrd start address
  x86/platform/intel/quark: Add printf attribute to imr_self_test_result()
  x86/platform/intel-mid: Switch MPU3050 driver to IIO
  x86/alternatives: Do not use sync_core() to serialize I$
  x86/topology: Document cpu_llc_id
  x86/hyperv: Handle unknown NMIs on one CPU when unknown_nmi_panic
  x86/asm: Rewrite sync_core() to use IRET-to-self
  x86/microcode/intel: Replace sync_core() with native_cpuid()
  Revert "x86/boot: Fail the boot if !M486 and CPUID is missing"
  x86/asm/32: Make sync_core() handle missing CPUID on all 32-bit kernels
  x86/cpu: Probe CPUID leaf 6 even when cpuid_level == 6
  x86/tools: Fix gcc-7 warning in relocs.c
  x86/unwind: Dump stack data on warnings
  x86/unwind: Adjust last frame check for aligned function stacks
  x86/init: Fix a couple of comment typos
  x86/init: Remove i8042_detect() from platform ops
  Input: i8042 - Trust firmware a bit more when probing on X86
  x86/init: Add i8042 state to the platform data
  ...