From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: [patch 15/17] revert map_pt_hook. Date: Sun, 01 Apr 2007 22:57:07 -0700 Message-ID: <20070402055705.399001017@goop.org> References: <20070402055652.610711908@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline; filename=revert-map_pt_hook.patch List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Andi Kleen Cc: virtualization@lists.osdl.org, Andrew Morton , lkml List-Id: virtualization@lists.linuxfoundation.org Back out the map_pt_hook to clear the way for kmap_atomic_pte. Signed-off-by: Jeremy Fitzhardinge Cc: Zachary Amsden --- arch/i386/kernel/paravirt.c | 2 -- arch/i386/kernel/vmi.c | 2 ++ include/asm-i386/paravirt.h | 7 ------- include/asm-i386/pgtable.h | 23 ++++------------------- 4 files changed, 6 insertions(+), 28 deletions(-) =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- a/arch/i386/kernel/paravirt.c +++ b/arch/i386/kernel/paravirt.c @@ -303,8 +303,6 @@ struct paravirt_ops paravirt_ops =3D { .flush_tlb_single =3D native_flush_tlb_single, .flush_tlb_others =3D native_flush_tlb_others, = - .map_pt_hook =3D paravirt_nop, - .alloc_pt =3D paravirt_nop, .alloc_pd =3D paravirt_nop, .alloc_pd_clone =3D paravirt_nop, =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- a/arch/i386/kernel/vmi.c +++ b/arch/i386/kernel/vmi.c @@ -819,8 +819,10 @@ static inline int __init activate_vmi(vo paravirt_ops.release_pt =3D vmi_release_pt; paravirt_ops.release_pd =3D 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 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- a/include/asm-i386/paravirt.h +++ b/include/asm-i386/paravirt.h @@ -128,8 +128,6 @@ struct paravirt_ops void (*flush_tlb_single)(unsigned long addr); 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); = void (*alloc_pt)(u32 pfn); void (*alloc_pd)(u32 pfn); @@ -740,11 +738,6 @@ static inline void flush_tlb_others(cpum 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); =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- a/include/asm-i386/pgtable.h +++ b/include/asm-i386/pgtable.h @@ -272,7 +272,6 @@ static inline 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 @@ -481,24 +480,10 @@ extern pte_t *lookup_address(unsigned lo #endif = #if defined(CONFIG_HIGHPTE) -#define pte_offset_map(dir, address) \ -({ \ - pte_t *__ptep; \ - unsigned pfn =3D pmd_val(*(dir)) >> PAGE_SHIFT; \ - __ptep =3D (pte_t *)kmap_atomic(pfn_to_page(pfn),KM_PTE0);\ - paravirt_map_pt_hook(KM_PTE0,__ptep, pfn); \ - __ptep =3D __ptep + pte_index(address); \ - __ptep; \ -}) -#define pte_offset_map_nested(dir, address) \ -({ \ - pte_t *__ptep; \ - unsigned pfn =3D pmd_val(*(dir)) >> PAGE_SHIFT; \ - __ptep =3D (pte_t *)kmap_atomic(pfn_to_page(pfn),KM_PTE1);\ - paravirt_map_pt_hook(KM_PTE1,__ptep, pfn); \ - __ptep =3D __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 -- =