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

From f9692c96f39c68cc42acdf02fb7d262920c3f0e3 Mon Sep 17 00:00:00 2001
From: Michael Zoran <mzoran@crowfest.net>
Date: Sat, 11 Feb 2017 01:18:31 -0800
Subject: [PATCH] ARM64: Force hardware emulation of deprecated
 instructions.

---
 arch/arm64/kernel/armv8_deprecated.c | 5 +++++
 1 file changed, 5 insertions(+)

--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -546,10 +546,15 @@ static void __init register_insn_emulati
 
 	switch (insn->status) {
 	case INSN_DEPRECATED:
+#if 0
 		insn->current_mode = INSN_EMULATE;
 		/* Disable the HW mode if it was turned on at early boot time */
 		run_all_cpu_set_hw_mode(insn, false);
+#else
+		insn->current_mode = INSN_HW;
+		run_all_cpu_set_hw_mode(insn, true);
 		insn->max = INSN_HW;
+#endif
 		break;
 	case INSN_OBSOLETE:
 		insn->current_mode = INSN_UNDEF;