lede/target/linux/bcm27xx/patches-5.15/950-0090-ARM64-Force-hardware-emulation-of-deprecated-instruc.patch
aakkll d8ad8adc3b
kernel: bump 5.15 to 5.15.138 (#11658)
Signed-off-by: aakkll <94471752+aakkll@users.noreply.github.com>
2023-11-13 17:47:28 +08:00

29 lines
851 B
Diff

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;