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Diffstat (limited to 'arch/mips/mm/c-tx39.c')
-rw-r--r--arch/mips/mm/c-tx39.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index ff5afab64b2..0a97a9434eb 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -167,15 +167,16 @@ static void tx39_flush_cache_mm(struct mm_struct *mm)
static void tx39_flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
- struct mm_struct *mm = vma->vm_mm;
+ int exec;
- if (!cpu_has_dc_aliases)
+ if (!(cpu_context(smp_processor_id(), vma->vm_mm)))
return;
- if (cpu_context(smp_processor_id(), mm) != 0) {
+ exec = vma->vm_flags & VM_EXEC;
+ if (cpu_has_dc_aliases || exec)
tx39_blast_dcache();
+ if (exec)
tx39_blast_icache();
- }
}
static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page, unsigned long pfn)
@@ -183,6 +184,7 @@ static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page
int exec = vma->vm_flags & VM_EXEC;
struct mm_struct *mm = vma->vm_mm;
pgd_t *pgdp;
+ pud_t *pudp;
pmd_t *pmdp;
pte_t *ptep;
@@ -195,7 +197,8 @@ static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
- pmdp = pmd_offset(pgdp, page);
+ pudp = pud_offset(pgdp, page);
+ pmdp = pmd_offset(pudp, page);
ptep = pte_offset(pmdp, page);
/*
@@ -407,7 +410,7 @@ static __init void tx39_probe_cache(void)
}
}
-void __init ld_mmu_tx39(void)
+void __init tx39_cache_init(void)
{
extern void build_clear_page(void);
extern void build_copy_page(void);
@@ -490,4 +493,5 @@ void __init ld_mmu_tx39(void)
build_clear_page();
build_copy_page();
+ tx39h_flush_icache_all();
}