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33 lines
1 KiB
Diff
33 lines
1 KiB
Diff
From 1e25c8aa84908b11e32b8d31251b8cfa18738304 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 111/277] 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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diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
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index d06fbe4cd38d..877b7c90f955 100644
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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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@@ -183,10 +183,15 @@ static void __init register_insn_emulation(struct insn_emulation_ops *ops)
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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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--
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2.16.1
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