[PATCH v3 0/2] Fix legacy_cache detect on Intel. Add Quark to legacy_cache, document TLB quirk

[Bryan O'Donoghue]

These two patches cover four things.

First add legacy_cache callback into init_intel() to enable calling of
intel_size_cache() re-enabling detection of PIII Tualatin cache size
and allowing Quark SoC X1000 hooked into this mechanism to similarly
report it's cache size.

Second adding of Quark SoC X1000 to the legacy_cache callback so that
it too will report correct cache size. In this case a 4-way set
associative cache with a 16 byte cache line and 256 lines per tag. 

Third add the Quark SoC X1000 string so that /proc/cpuinfo gives the
correct description of the processor in the "model name" field.

Finally documentation of early TLB flushing behaviour on Quark before
cpu_has_pge() has been switched off. For clarity the existing code works
fine on Quark. This change to setup.c documents the minutiae of why.

Bryan O'Donoghue (2):
  x86: Quark: Comment setup_arch() to document TLB/PGE behaviour
  x86: Add cpu_detect_cache_sizes to init_intel() add Quark to
    legacy_cache()

 arch/x86/kernel/cpu/intel.c | 17 ++++++++++++++++-
 arch/x86/kernel/setup.c     |  9 +++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

-- 
1.9.1

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