2021-08-21 08:54:34 +00:00
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From b4e6e3b95c4f41b415d9d7fed7f121a1850af042 Mon Sep 17 00:00:00 2001
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From: Michael Zoran <mzoran@crowfest.net>
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Date: Sat, 11 Feb 2017 01:18:31 -0800
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Subject: [PATCH] ARM64: Force hardware emulation of deprecated
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instructions.
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---
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arch/arm64/kernel/armv8_deprecated.c | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/arch/arm64/kernel/armv8_deprecated.c
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+++ b/arch/arm64/kernel/armv8_deprecated.c
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2022-08-28 13:09:23 +00:00
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@@ -183,10 +183,15 @@ static void __init register_insn_emulati
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2021-08-21 08:54:34 +00:00
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switch (ops->status) {
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case INSN_DEPRECATED:
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+#if 0
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insn->current_mode = INSN_EMULATE;
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/* Disable the HW mode if it was turned on at early boot time */
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run_all_cpu_set_hw_mode(insn, false);
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+#else
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+ insn->current_mode = INSN_HW;
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+ run_all_cpu_set_hw_mode(insn, true);
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insn->max = INSN_HW;
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+#endif
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break;
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case INSN_OBSOLETE:
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insn->current_mode = INSN_UNDEF;
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