queue-4.4/powerpc-pseries-add-new-h_get_cpu_characteristics-flags.patch

   1 From foo@baz Mon 29 Apr 2019 11:38:37 AM CEST
   2 From: Michael Ellerman <mpe@ellerman.id.au>
   3 Date: Mon, 22 Apr 2019 00:19:54 +1000
   4 Subject: powerpc/pseries: Add new H_GET_CPU_CHARACTERISTICS flags
   5 To: stable@vger.kernel.org, gregkh@linuxfoundation.org
   6 Cc: linuxppc-dev@ozlabs.org, diana.craciun@nxp.com, msuchanek@suse.de, npiggin@gmail.com, christophe.leroy@c-s.fr
   7 Message-ID: <20190421142037.21881-10-mpe@ellerman.id.au>
   8
   9 From: Michael Ellerman <mpe@ellerman.id.au>
  10
  11 commit c4bc36628d7f8b664657d8bd6ad1c44c177880b7 upstream.
  12
  13 Add some additional values which have been defined for the
  14 H_GET_CPU_CHARACTERISTICS hypercall.
  15
  16 Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
  17 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  18 ---
  19  arch/powerpc/include/asm/hvcall.h |    3 +++
  20  1 file changed, 3 insertions(+)
  21
  22 --- a/arch/powerpc/include/asm/hvcall.h
  23 +++ b/arch/powerpc/include/asm/hvcall.h
  24 @@ -292,6 +292,9 @@
  25  #define H_CPU_CHAR_L1D_FLUSH_ORI30     (1ull << 61) // IBM bit 2
  26  #define H_CPU_CHAR_L1D_FLUSH_TRIG2     (1ull << 60) // IBM bit 3
  27  #define H_CPU_CHAR_L1D_THREAD_PRIV     (1ull << 59) // IBM bit 4
  28 +#define H_CPU_CHAR_BRANCH_HINTS_HONORED        (1ull << 58) // IBM bit 5
  29 +#define H_CPU_CHAR_THREAD_RECONFIG_CTRL        (1ull << 57) // IBM bit 6
  30 +#define H_CPU_CHAR_COUNT_CACHE_DISABLED        (1ull << 56) // IBM bit 7
  31
  32  #define H_CPU_BEHAV_FAVOUR_SECURITY    (1ull << 63) // IBM bit 0
  33  #define H_CPU_BEHAV_L1D_FLUSH_PR       (1ull << 62) // IBM bit 1