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authorPaul Mundt <lethal@linux-sh.org>2006-12-25 19:28:54 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-02-13 10:54:45 +0900
commitea9af69481730e3d712104dfd549ba6c8ddd29f1 (patch)
treeb6b0369a186f3df1b8061791c1cbc2e7fd161104 /arch/sh/mm
parent11c1965687b0a472add948d4240dfe65a2fcb298 (diff)
downloadlinux-2.6.34-ux500-ea9af69481730e3d712104dfd549ba6c8ddd29f1.tar.gz
sh: Local TLB flushing variants for SMP prep.
Rename the existing flush routines to local_ variants for use by the IPI-backed global flush routines on SMP. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm')
-rw-r--r--arch/sh/mm/init.c2
-rw-r--r--arch/sh/mm/pg-sh4.c4
-rw-r--r--arch/sh/mm/tlb-flush.c20
-rw-r--r--arch/sh/mm/tlb-nommu.c19
-rw-r--r--arch/sh/mm/tlb-sh3.c2
-rw-r--r--arch/sh/mm/tlb-sh4.c2
6 files changed, 21 insertions, 28 deletions
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index d172065182f..ae957a93237 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -106,7 +106,7 @@ static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot)
set_pte(pte, pfn_pte(phys >> PAGE_SHIFT, prot));
- __flush_tlb_page(get_asid(), addr);
+ flush_tlb_one(get_asid(), addr);
}
/*
diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c
index b529d809dd4..969efeceb92 100644
--- a/arch/sh/mm/pg-sh4.c
+++ b/arch/sh/mm/pg-sh4.c
@@ -39,7 +39,7 @@ void clear_user_page(void *to, unsigned long address, struct page *page)
mutex_lock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
set_pte(pte, entry);
local_irq_save(flags);
- __flush_tlb_page(get_asid(), p3_addr);
+ flush_tlb_one(get_asid(), p3_addr);
local_irq_restore(flags);
update_mmu_cache(NULL, p3_addr, entry);
__clear_user_page((void *)p3_addr, to);
@@ -74,7 +74,7 @@ void copy_user_page(void *to, void *from, unsigned long address,
mutex_lock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
set_pte(pte, entry);
local_irq_save(flags);
- __flush_tlb_page(get_asid(), p3_addr);
+ flush_tlb_one(get_asid(), p3_addr);
local_irq_restore(flags);
update_mmu_cache(NULL, p3_addr, entry);
__copy_user_page((void *)p3_addr, from, to);
diff --git a/arch/sh/mm/tlb-flush.c b/arch/sh/mm/tlb-flush.c
index b829c17c1d1..dcaf98e82be 100644
--- a/arch/sh/mm/tlb-flush.c
+++ b/arch/sh/mm/tlb-flush.c
@@ -14,7 +14,7 @@
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
-void flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
+void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
{
unsigned int cpu = smp_processor_id();
@@ -31,15 +31,15 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
saved_asid = get_asid();
set_asid(asid);
}
- __flush_tlb_page(asid, page);
+ flush_tlb_one(asid, page);
if (saved_asid != MMU_NO_ASID)
set_asid(saved_asid);
local_irq_restore(flags);
}
}
-void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end)
+void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
+ unsigned long end)
{
struct mm_struct *mm = vma->vm_mm;
unsigned int cpu = smp_processor_id();
@@ -67,7 +67,7 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
set_asid(asid);
}
while (start < end) {
- __flush_tlb_page(asid, start);
+ flush_tlb_one(asid, start);
start += PAGE_SIZE;
}
if (saved_asid != MMU_NO_ASID)
@@ -77,7 +77,7 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
}
}
-void flush_tlb_kernel_range(unsigned long start, unsigned long end)
+void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
unsigned int cpu = smp_processor_id();
unsigned long flags;
@@ -86,7 +86,7 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
local_irq_save(flags);
size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
if (size > (MMU_NTLB_ENTRIES/4)) { /* Too many TLB to flush */
- flush_tlb_all();
+ local_flush_tlb_all();
} else {
unsigned long asid;
unsigned long saved_asid = get_asid();
@@ -97,7 +97,7 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
end &= PAGE_MASK;
set_asid(asid);
while (start < end) {
- __flush_tlb_page(asid, start);
+ flush_tlb_one(asid, start);
start += PAGE_SIZE;
}
set_asid(saved_asid);
@@ -105,7 +105,7 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
local_irq_restore(flags);
}
-void flush_tlb_mm(struct mm_struct *mm)
+void local_flush_tlb_mm(struct mm_struct *mm)
{
unsigned int cpu = smp_processor_id();
@@ -122,7 +122,7 @@ void flush_tlb_mm(struct mm_struct *mm)
}
}
-void flush_tlb_all(void)
+void local_flush_tlb_all(void)
{
unsigned long flags, status;
diff --git a/arch/sh/mm/tlb-nommu.c b/arch/sh/mm/tlb-nommu.c
index e55cfea0109..1ccca7c0532 100644
--- a/arch/sh/mm/tlb-nommu.c
+++ b/arch/sh/mm/tlb-nommu.c
@@ -13,39 +13,33 @@
/*
* Nothing too terribly exciting here ..
*/
-
-void flush_tlb(void)
-{
- BUG();
-}
-
-void flush_tlb_all(void)
+void local_flush_tlb_all(void)
{
BUG();
}
-void flush_tlb_mm(struct mm_struct *mm)
+void local_flush_tlb_mm(struct mm_struct *mm)
{
BUG();
}
-void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
+void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end)
{
BUG();
}
-void flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
+void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
{
BUG();
}
-void __flush_tlb_page(unsigned long asid, unsigned long page)
+void local_flush_tlb_one(unsigned long asid, unsigned long page)
{
BUG();
}
-void flush_tlb_kernel_range(unsigned long start, unsigned long end)
+void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
BUG();
}
@@ -55,4 +49,3 @@ void update_mmu_cache(struct vm_area_struct * vma,
{
BUG();
}
-
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index 598c998dba5..e5e76eb7ee0 100644
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -12,7 +12,7 @@
#include <asm/system.h>
#include <asm/mmu_context.h>
-void __flush_tlb_page(unsigned long asid, unsigned long page)
+void local_flush_tlb_one(unsigned long asid, unsigned long page)
{
unsigned long addr, data;
int i, ways = MMU_NTLB_WAYS;
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index 758d8dec622..221e7095473 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -12,7 +12,7 @@
#include <asm/system.h>
#include <asm/mmu_context.h>
-void __flush_tlb_page(unsigned long asid, unsigned long page)
+void local_flush_tlb_one(unsigned long asid, unsigned long page)
{
unsigned long addr, data;