From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt

---
 kernel/arch/arc/include/asm/mmu_context.h |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/kernel/arch/arc/include/asm/mmu_context.h b/kernel/arch/arc/include/asm/mmu_context.h
index 64b5eba..3a5e6a5 100644
--- a/kernel/arch/arc/include/asm/mmu_context.h
+++ b/kernel/arch/arc/include/asm/mmu_context.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  *
  * vineetg: May 2011
  *  -Refactored get_new_mmu_context( ) to only handle live-mm.
@@ -147,7 +144,7 @@
 	 */
 	cpumask_set_cpu(cpu, mm_cpumask(next));
 
-#ifndef CONFIG_SMP
+#ifdef ARC_USE_SCRATCH_REG
 	/* PGD cached in MMU reg to avoid 3 mem lookups: task->mm->pgd */
 	write_aux_reg(ARC_REG_SCRATCH_DATA0, next->pgd);
 #endif

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