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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-09-23 23:08:43 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-09-23 23:08:43 +0200 |
| commit | d7a4b414eed51f1653bb05ebe84122bf9a7ae18b (patch) | |
| tree | bd6603a0c27de4c138a1767871897e9cd3e1a1d2 /arch/sh/mm/tlb-sh4.c | |
| parent | 1f0ab40976460bc4673fa204ce917a725185d8f2 (diff) | |
| parent | a724eada8c2a7b62463b73ccf73fd0bb6e928aeb (diff) | |
Merge commit 'linus/master' into tracing/kprobes
Conflicts:
kernel/trace/Makefile
kernel/trace/trace.h
kernel/trace/trace_event_types.h
kernel/trace/trace_export.c
Merge reason:
Sync with latest significant tracing core changes.
Diffstat (limited to 'arch/sh/mm/tlb-sh4.c')
| -rw-r--r-- | arch/sh/mm/tlb-sh4.c | 37 |
1 files changed, 11 insertions, 26 deletions
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c index f0c7b7397fa..8cf550e2570 100644 --- a/arch/sh/mm/tlb-sh4.c +++ b/arch/sh/mm/tlb-sh4.c @@ -15,34 +15,16 @@ #include <asm/mmu_context.h> #include <asm/cacheflush.h> -void update_mmu_cache(struct vm_area_struct * vma, - unsigned long address, pte_t pte) +void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte) { - unsigned long flags; - unsigned long pteval; - unsigned long vpn; + unsigned long flags, pteval, vpn; - /* Ptrace may call this routine. */ + /* + * Handle debugger faulting in for debugee. + */ if (vma && current->active_mm != vma->vm_mm) return; -#ifndef CONFIG_CACHE_OFF - { - unsigned long pfn = pte_pfn(pte); - - if (pfn_valid(pfn)) { - struct page *page = pfn_to_page(pfn); - - if (!test_bit(PG_mapped, &page->flags)) { - unsigned long phys = pte_val(pte) & PTE_PHYS_MASK; - __flush_wback_region((void *)P1SEGADDR(phys), - PAGE_SIZE); - __set_bit(PG_mapped, &page->flags); - } - } - } -#endif - local_irq_save(flags); /* Set PTEH register */ @@ -61,9 +43,12 @@ void update_mmu_cache(struct vm_area_struct * vma, */ ctrl_outl(pte.pte_high, MMU_PTEA); #else - if (cpu_data->flags & CPU_HAS_PTEA) - /* TODO: make this look less hacky */ - ctrl_outl(((pteval >> 28) & 0xe) | (pteval & 0x1), MMU_PTEA); + if (cpu_data->flags & CPU_HAS_PTEA) { + /* The last 3 bits and the first one of pteval contains + * the PTEA timing control and space attribute bits + */ + ctrl_outl(copy_ptea_attributes(pteval), MMU_PTEA); + } #endif /* Set PTEL register */ |