openwrt/target/linux/bcm27xx/patches-6.1/950-0130-ARM64-Force-hardware-emulation-of-deprecated-instruc.patch
Álvaro Fernández Rojas 793f8ab62c bcm27xx: 6.1: add kernel patches
Add kernel patches for version 6.1.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2023-06-09 19:12:30 +02:00

29 lines
850 B
Diff

From 524cf14dafc03196173177a3f775373e9561894b 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
@@ -183,10 +183,15 @@ static void __init register_insn_emulati
switch (ops->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;