brcm2708: add linux 4.19 support
[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0100-ARM64-Force-hardware-emulation-of-deprecated-instruc.patch
1 From 303b20724f8691db1c6b575f127d47d5953359f2 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 100/703] 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 @@ -182,10 +182,15 @@ 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;