target/linux/bcm27xx/patches-5.15/950-0090-ARM64-Force-hardware-emulation-of-deprecated-instruc.patch

   1 From f9692c96f39c68cc42acdf02fb7d262920c3f0e3 Mon Sep 17 00:00:00 2001
   2 From: Michael Zoran <mzoran@crowfest.net>
   3 Date: Sat, 11 Feb 2017 01:18:31 -0800
   4 Subject: [PATCH] ARM64: Force hardware emulation of deprecated
   5  instructions.
   6
   7 ---
   8  arch/arm64/kernel/armv8_deprecated.c | 5 +++++
   9  1 file changed, 5 insertions(+)
  10
  11 --- a/arch/arm64/kernel/armv8_deprecated.c
  12 +++ b/arch/arm64/kernel/armv8_deprecated.c
  13 @@ -183,10 +183,15 @@ static void __init register_insn_emulati
  14
  15         switch (ops->status) {
  16         case INSN_DEPRECATED:
  17 +#if 0
  18                 insn->current_mode = INSN_EMULATE;
  19                 /* Disable the HW mode if it was turned on at early boot time */
  20                 run_all_cpu_set_hw_mode(insn, false);
  21 +#else
  22 +               insn->current_mode = INSN_HW;
  23 +               run_all_cpu_set_hw_mode(insn, true);
  24                 insn->max = INSN_HW;
  25 +#endif
  26                 break;
  27         case INSN_OBSOLETE:
  28                 insn->current_mode = INSN_UNDEF;