1 files changed, 0 insertions, 116 deletions
diff --git a/arch/score/include/asm/mmu_context.h b/arch/score/include/asm/mmu_context.h
deleted file mode 100644
index d0aa2a5aebca..000000000000
--- a/arch/score/include/asm/mmu_context.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_SCORE_MMU_CONTEXT_H
-#define _ASM_SCORE_MMU_CONTEXT_H
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/mm_types.h>
-#include <linux/slab.h>
-
-#include <asm-generic/mm_hooks.h>
-
-#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
-#include <asm/scoreregs.h>
-
-/*
- * For the fast tlb miss handlers, we keep a per cpu array of pointers
- * to the current pgd for each processor. Also, the proc. id is stuffed
- * into the context register.
- */
-extern unsigned long asid_cache;
-extern unsigned long pgd_current;
-
-#define TLBMISS_HANDLER_SETUP_PGD(pgd) (pgd_current = (unsigned long)(pgd))
-
-#define TLBMISS_HANDLER_SETUP()				\
-do {							\
-	write_c0_context(0);				\
-	TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir)	\
-} while (0)
-
-/*
- * All unused by hardware upper bits will be considered
- * as a software asid extension.
- */
-#define ASID_VERSION_MASK	0xfffff000
-#define ASID_FIRST_VERSION	0x1000
-
-/* PEVN    --------- VPN ---------- --ASID--- -NA- */
-/* binary: 0000 0000 0000 0000 0000 0000 0001 0000 */
-/* binary: 0000 0000 0000 0000 0000 1111 1111 0000 */
-#define ASID_INC	0x10
-#define ASID_MASK	0xff0
-
-static inline void enter_lazy_tlb(struct mm_struct *mm,
-				struct task_struct *tsk)
-{}
-
-static inline void
-get_new_mmu_context(struct mm_struct *mm)
-{
-	unsigned long asid = asid_cache + ASID_INC;
-
-	if (!(asid & ASID_MASK)) {
-		local_flush_tlb_all();		/* start new asid cycle */
-		if (!asid)			/* fix version if needed */
-			asid = ASID_FIRST_VERSION;
-	}
-
-	mm->context = asid;
-	asid_cache = asid;
-}
-
-/*
- * Initialize the context related info for a new mm_struct
- * instance.
- */
-static inline int
-init_new_context(struct task_struct *tsk, struct mm_struct *mm)
-{
-	mm->context = 0;
-	return 0;
-}
-
-static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
-			struct task_struct *tsk)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	if ((next->context ^ asid_cache) & ASID_VERSION_MASK)
-		get_new_mmu_context(next);
-
-	pevn_set(next->context);
-	TLBMISS_HANDLER_SETUP_PGD(next->pgd);
-	local_irq_restore(flags);
-}
-
-/*
- * Destroy context related info for an mm_struct that is about
- * to be put to rest.
- */
-static inline void destroy_context(struct mm_struct *mm)
-{}
-
-static inline void
-deactivate_mm(struct task_struct *task, struct mm_struct *mm)
-{}
-
-/*
- * After we have set current->mm to a new value, this activates
- * the context for the new mm so we see the new mappings.
- */
-static inline void
-activate_mm(struct mm_struct *prev, struct mm_struct *next)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	get_new_mmu_context(next);
-	pevn_set(next->context);
-	TLBMISS_HANDLER_SETUP_PGD(next->pgd);
-	local_irq_restore(flags);
-}
-
-#endif /* _ASM_SCORE_MMU_CONTEXT_H */