From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/arch/powerpc/mm/mmu_context.c | 19 ++++++++++++-------
1 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/kernel/arch/powerpc/mm/mmu_context.c b/kernel/arch/powerpc/mm/mmu_context.c
index f84e14f..64290d3 100644
--- a/kernel/arch/powerpc/mm/mmu_context.c
+++ b/kernel/arch/powerpc/mm/mmu_context.c
@@ -1,13 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Common implementation of switch_mm_irqs_off
*
* Copyright IBM Corp. 2017
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
*/
#include <linux/mm.h>
@@ -15,6 +10,7 @@
#include <linux/sched/mm.h>
#include <asm/mmu_context.h>
+#include <asm/pgalloc.h>
#if defined(CONFIG_PPC32)
static inline void switch_mm_pgdir(struct task_struct *tsk,
@@ -83,7 +79,7 @@
* context
*/
if (cpu_has_feature(CPU_FTR_ALTIVEC))
- asm volatile ("dssall");
+ asm volatile (PPC_DSSALL);
if (new_on_cpu)
radix_kvm_prefetch_workaround(next);
@@ -97,3 +93,12 @@
switch_mmu_context(prev, next, tsk);
}
+#ifndef CONFIG_PPC_BOOK3S_64
+void arch_exit_mmap(struct mm_struct *mm)
+{
+ void *frag = pte_frag_get(&mm->context);
+
+ if (frag)
+ pte_frag_destroy(frag);
+}
+#endif
--
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