MIPS: Delete unused function add_temporary_entry.
Only available for R4000 style TLBs anyway and proper ordering of
initialization code made this crude interface unncecessary.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h
index 8a153d2..d169c07 100644
--- a/arch/mips/include/asm/pgtable-32.h
+++ b/arch/mips/include/asm/pgtable-32.h
@@ -24,17 +24,6 @@
extern void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
unsigned long entryhi, unsigned long pagemask);
-/*
- * - add_temporary_entry() add a temporary TLB entry. We use TLB entries
- * starting at the top and working down. This is for populating the
- * TLB before trap_init() puts the TLB miss handler in place. It
- * should be used only for entries matching the actual page tables,
- * to prevent inconsistencies.
- */
-extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
- unsigned long entryhi, unsigned long pagemask);
-
-
/* Basically we have the same two-level (which is the logical three level
* Linux page table layout folded) page tables as the i386. Some day
* when we have proper page coloring support we can have a 1% quicker
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 88dc49c..74d67c8 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -376,51 +376,6 @@
EXIT_CRITICAL(flags);
}
-/*
- * Used for loading TLB entries before trap_init() has started, when we
- * don't actually want to add a wired entry which remains throughout the
- * lifetime of the system
- */
-
-static int temp_tlb_entry __cpuinitdata;
-
-__init int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
- unsigned long entryhi, unsigned long pagemask)
-{
- int ret = 0;
- unsigned long flags;
- unsigned long wired;
- unsigned long old_pagemask;
- unsigned long old_ctx;
-
- ENTER_CRITICAL(flags);
- /* Save old context and create impossible VPN2 value */
- old_ctx = read_c0_entryhi();
- old_pagemask = read_c0_pagemask();
- wired = read_c0_wired();
- if (--temp_tlb_entry < wired) {
- printk(KERN_WARNING
- "No TLB space left for add_temporary_entry\n");
- ret = -ENOSPC;
- goto out;
- }
-
- write_c0_index(temp_tlb_entry);
- write_c0_pagemask(pagemask);
- write_c0_entryhi(entryhi);
- write_c0_entrylo0(entrylo0);
- write_c0_entrylo1(entrylo1);
- mtc0_tlbw_hazard();
- tlb_write_indexed();
- tlbw_use_hazard();
-
- write_c0_entryhi(old_ctx);
- write_c0_pagemask(old_pagemask);
-out:
- EXIT_CRITICAL(flags);
- return ret;
-}
-
static int __cpuinitdata ntlb;
static int __init set_ntlb(char *str)
{
@@ -458,8 +413,6 @@
write_c0_pagegrain(pg);
}
- temp_tlb_entry = current_cpu_data.tlbsize - 1;
-
/* From this point on the ARC firmware is dead. */
local_flush_tlb_all();