Merge tag 'arc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC updates from Vineet Gupta:

 - AXS10x platform clk updates for I2S, PGU

 - add region based cache flush operation for ARCv2 cores

 - enforce PAE40 dependency on HIGHMEM

 - ptrace support for additional regs in ARCv2 cores

 - fix build failure in linux-next dut to a header include ordering
   change

* tag 'arc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  Revert "ARCv2: Allow enabling PAE40 w/o HIGHMEM"
  ARC: mm: fix build failure in linux-next for UP builds
  ARCv2: ptrace: provide regset for accumulator/r30 regs
  elf: Add ARCv2 specific core note section
  ARCv2: mm: micro-optimize region flush generated code
  ARCv2: mm: Merge 2 updates to DC_CTRL for region flush
  ARCv2: mm: Implement cache region flush operations
  ARC: mm: Move full_page computation into cache version agnostic wrapper
  arc: axs10x: Fix ARC PGU default clock frequency
  arc: axs10x: Add DT bindings for I2S audio playback

diff --combined include/uapi/linux/elf.h
index 176b6cb,b5c0056..b5280db
--- 1/include/uapi/linux/elf.h
--- 2/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@@ -409,8 -409,6 +409,8 @@@ typedef struct elf64_shdr 
  #define NT_S390_TDB   0x308           /* s390 transaction diagnostic block */
  #define NT_S390_VXRS_LOW      0x309   /* s390 vector registers 0-15 upper half */
  #define NT_S390_VXRS_HIGH     0x30a   /* s390 vector registers 16-31 */
 +#define NT_S390_GS_CB 0x30b           /* s390 guarded storage registers */
 +#define NT_S390_GS_BC 0x30c           /* s390 guarded storage broadcast control block */
  #define NT_ARM_VFP    0x400           /* ARM VFP/NEON registers */
  #define NT_ARM_TLS    0x401           /* ARM TLS register */
  #define NT_ARM_HW_BREAK       0x402           /* ARM hardware breakpoint registers */
@@@ -419,7 -417,7 +419,7 @@@
  #define NT_METAG_CBUF 0x500           /* Metag catch buffer registers */
  #define NT_METAG_RPIPE        0x501           /* Metag read pipeline state */
  #define NT_METAG_TLS  0x502           /* Metag TLS pointer */
- 
+ #define NT_ARC_V2     0x600           /* ARCv2 accumulator/extra registers */
  
  /* Note header in a PT_NOTE section */
  typedef struct elf32_note {