[PATCH v5 0/3] SRF: Fix offline CPU preventing pc6 entry

[Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>]

Thanks for the feedback so far, sending next version of the patchset.
Lots of simplifications and a little bit of rewording this time.

Rafael, I know you suggested to move the commit message from the
1/3 patch to the 3/3, but I feel like the change for SRF really is in
the 1/3. If you in insist, I'll do that in the v6, but I think It
serves it's purpose better like that, to justify getting rid of the old
algorithm.

Changes since v4:
 * Rebased on top of Linus' tree, picking up Rafael's acpi idle patches.
 * Remove mwait_play_dead() code entirely from the native_play_dead()
   and delegate to idle driver right away, instead.
 * ACPI: Don't filter FFH based cstates on AMD, rely on the BIOS to
   report them just like the AMD prefers (IOPORT based).
 * Apply Peter's suggestion to intel idle to define a default enter_dead
   handler for all platforms in intel idle and allow for overwriting
   that in case It is needed.

Patryk Wlazlyn (3):
  x86/smp: Allow calling mwait_play_dead with an arbitrary hint
  ACPI: processor_idle: Add FFH state handling
  intel_idle: Provide the default enter_dead() handler

 arch/x86/include/asm/smp.h    |  3 +++
 arch/x86/kernel/acpi/cstate.c |  9 +++++++
 arch/x86/kernel/smpboot.c     | 46 ++++-------------------------------
 drivers/acpi/processor_idle.c |  2 ++
 drivers/idle/intel_idle.c     | 18 ++++++++++++--
 include/acpi/processor.h      |  5 ++++
 6 files changed, 40 insertions(+), 43 deletions(-)

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2.47.1