diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2007-05-02 19:27:15 +0200 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 19:27:15 +0200 |
| commit | a27fe809b82c5e18932fcceded28d0d1481ce7bb (patch) | |
| tree | b4d33cd8b3f038a84534d4d3302c0704e3959599 | |
| parent | d4c104771a1c58e3de2a888b73b0ba1b54c0ae76 (diff) | |
[PATCH] i386: PARAVIRT: revert map_pt_hook.
Back out the map_pt_hook to clear the way for kmap_atomic_pte.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Zachary Amsden <zach@vmware.com>
| -rw-r--r-- | arch/i386/kernel/paravirt.c | 2 | ||||
| -rw-r--r-- | arch/i386/kernel/vmi.c | 2 | ||||
| -rw-r--r-- | include/asm-i386/paravirt.h | 7 | ||||
| -rw-r--r-- | include/asm-i386/pgtable.h | 23 |
4 files changed, 6 insertions, 28 deletions
diff --git a/arch/i386/kernel/paravirt.c b/arch/i386/kernel/paravirt.c index c7f0cf92925..13f41b5c887 100644 --- a/arch/i386/kernel/paravirt.c +++ b/arch/i386/kernel/paravirt.c @@ -302,8 +302,6 @@ struct paravirt_ops paravirt_ops = { .flush_tlb_single = native_flush_tlb_single, .flush_tlb_others = native_flush_tlb_others, - .map_pt_hook = paravirt_nop, - .alloc_pt = paravirt_nop, .alloc_pd = paravirt_nop, .alloc_pd_clone = paravirt_nop, diff --git a/arch/i386/kernel/vmi.c b/arch/i386/kernel/vmi.c index b8d01c3cbff..ccad7ee960a 100644 --- a/arch/i386/kernel/vmi.c +++ b/arch/i386/kernel/vmi.c @@ -851,8 +851,10 @@ static inline int __init activate_vmi(void) paravirt_ops.release_pt = vmi_release_pt; paravirt_ops.release_pd = vmi_release_pd; } +#if 0 para_wrap(map_pt_hook, vmi_map_pt_hook, set_linear_mapping, SetLinearMapping); +#endif /* * These MUST always be patched. Don't support indirect jumps diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h index f880b06d6d5..10f44af76b4 100644 --- a/include/asm-i386/paravirt.h +++ b/include/asm-i386/paravirt.h @@ -169,8 +169,6 @@ struct paravirt_ops void (*flush_tlb_others)(const cpumask_t *cpus, struct mm_struct *mm, unsigned long va); - void (*map_pt_hook)(int type, pte_t *va, u32 pfn); - /* Hooks for allocating/releasing pagetable pages */ void (*alloc_pt)(u32 pfn); void (*alloc_pd)(u32 pfn); @@ -862,11 +860,6 @@ static inline void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm, PVOP_VCALL3(flush_tlb_others, &cpumask, mm, va); } -static inline void paravirt_map_pt_hook(int type, pte_t *va, u32 pfn) -{ - PVOP_VCALL3(map_pt_hook, type, va, pfn); -} - static inline void paravirt_alloc_pt(unsigned pfn) { PVOP_VCALL1(alloc_pt, pfn); diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h index 5b88a6a1278..6599f2aa91b 100644 --- a/include/asm-i386/pgtable.h +++ b/include/asm-i386/pgtable.h @@ -267,7 +267,6 @@ extern void vmalloc_sync_all(void); */ #define pte_update(mm, addr, ptep) do { } while (0) #define pte_update_defer(mm, addr, ptep) do { } while (0) -#define paravirt_map_pt_hook(slot, va, pfn) do { } while (0) #define raw_ptep_get_and_clear(xp) native_ptep_get_and_clear(xp) #endif @@ -476,24 +475,10 @@ extern pte_t *lookup_address(unsigned long address); #endif #if defined(CONFIG_HIGHPTE) -#define pte_offset_map(dir, address) \ -({ \ - pte_t *__ptep; \ - unsigned pfn = pmd_val(*(dir)) >> PAGE_SHIFT; \ - __ptep = (pte_t *)kmap_atomic(pfn_to_page(pfn),KM_PTE0);\ - paravirt_map_pt_hook(KM_PTE0,__ptep, pfn); \ - __ptep = __ptep + pte_index(address); \ - __ptep; \ -}) -#define pte_offset_map_nested(dir, address) \ -({ \ - pte_t *__ptep; \ - unsigned pfn = pmd_val(*(dir)) >> PAGE_SHIFT; \ - __ptep = (pte_t *)kmap_atomic(pfn_to_page(pfn),KM_PTE1);\ - paravirt_map_pt_hook(KM_PTE1,__ptep, pfn); \ - __ptep = __ptep + pte_index(address); \ - __ptep; \ -}) +#define pte_offset_map(dir, address) \ + ((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE0) + pte_index(address)) +#define pte_offset_map_nested(dir, address) \ + ((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE1) + pte_index(address)) #define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0) #define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1) #else |