[0/2] arm64/PPTT ACPI 6.3 thread flag support

Message

Jeremy Linton May 23, 2019, 10:40 p.m. UTC

ACPI 6.3 adds a flag to the CPU node to indicate whether
the given CPU is a thread. Add a function to return that
information for a given linux logical CPU and then utilize
it while building the arm64 topology.

Jeremy Linton (2):
  ACPI/PPTT: Add support for ACPI 6.3 thread flag
  arm64: topology: Use PPTT to determine if PE is a thread

 arch/arm64/kernel/topology.c |  8 ++++--
 drivers/acpi/pptt.c          | 53 +++++++++++++++++++++++++++++++++++-
 include/linux/acpi.h         |  5 ++++
 3 files changed, 62 insertions(+), 4 deletions(-)