diff options
-rw-r--r-- | arch/mips/include/asm/pgtable-64.h | 11 | ||||
-rw-r--r-- | arch/mips/mm/init.c | 3 | ||||
-rw-r--r-- | arch/mips/mm/pgtable-64.c | 3 | ||||
-rw-r--r-- | arch/mips/mm/tlbex.c | 49 |
4 files changed, 3 insertions, 63 deletions
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index 4ed9d1bba2ba..9cd508993956 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h | |||
@@ -109,13 +109,13 @@ | |||
109 | 109 | ||
110 | #define VMALLOC_START MAP_BASE | 110 | #define VMALLOC_START MAP_BASE |
111 | #define VMALLOC_END \ | 111 | #define VMALLOC_END \ |
112 | (VMALLOC_START + PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE) | 112 | (VMALLOC_START + \ |
113 | PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE - (1UL << 32)) | ||
113 | #if defined(CONFIG_MODULES) && defined(KBUILD_64BIT_SYM32) && \ | 114 | #if defined(CONFIG_MODULES) && defined(KBUILD_64BIT_SYM32) && \ |
114 | VMALLOC_START != CKSSEG | 115 | VMALLOC_START != CKSSEG |
115 | /* Load modules into 32bit-compatible segment. */ | 116 | /* Load modules into 32bit-compatible segment. */ |
116 | #define MODULE_START CKSSEG | 117 | #define MODULE_START CKSSEG |
117 | #define MODULE_END (FIXADDR_START-2*PAGE_SIZE) | 118 | #define MODULE_END (FIXADDR_START-2*PAGE_SIZE) |
118 | extern pgd_t module_pg_dir[PTRS_PER_PGD]; | ||
119 | #endif | 119 | #endif |
120 | 120 | ||
121 | #define pte_ERROR(e) \ | 121 | #define pte_ERROR(e) \ |
@@ -188,12 +188,7 @@ static inline void pud_clear(pud_t *pudp) | |||
188 | #define __pmd_offset(address) pmd_index(address) | 188 | #define __pmd_offset(address) pmd_index(address) |
189 | 189 | ||
190 | /* to find an entry in a kernel page-table-directory */ | 190 | /* to find an entry in a kernel page-table-directory */ |
191 | #ifdef MODULE_START | 191 | #define pgd_offset_k(address) pgd_offset(&init_mm, address) |
192 | #define pgd_offset_k(address) \ | ||
193 | ((address) >= MODULE_START ? module_pg_dir : pgd_offset(&init_mm, 0UL)) | ||
194 | #else | ||
195 | #define pgd_offset_k(address) pgd_offset(&init_mm, 0UL) | ||
196 | #endif | ||
197 | 192 | ||
198 | #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) | 193 | #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) |
199 | #define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) | 194 | #define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) |
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 0e820508ff23..38c79c55b060 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c | |||
@@ -475,9 +475,6 @@ unsigned long pgd_current[NR_CPUS]; | |||
475 | */ | 475 | */ |
476 | pgd_t swapper_pg_dir[_PTRS_PER_PGD] __page_aligned(_PGD_ORDER); | 476 | pgd_t swapper_pg_dir[_PTRS_PER_PGD] __page_aligned(_PGD_ORDER); |
477 | #ifdef CONFIG_64BIT | 477 | #ifdef CONFIG_64BIT |
478 | #ifdef MODULE_START | ||
479 | pgd_t module_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER); | ||
480 | #endif | ||
481 | pmd_t invalid_pmd_table[PTRS_PER_PMD] __page_aligned(PMD_ORDER); | 478 | pmd_t invalid_pmd_table[PTRS_PER_PMD] __page_aligned(PMD_ORDER); |
482 | #endif | 479 | #endif |
483 | pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER); | 480 | pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER); |
diff --git a/arch/mips/mm/pgtable-64.c b/arch/mips/mm/pgtable-64.c index e4b565aeb008..1121019fa456 100644 --- a/arch/mips/mm/pgtable-64.c +++ b/arch/mips/mm/pgtable-64.c | |||
@@ -59,9 +59,6 @@ void __init pagetable_init(void) | |||
59 | 59 | ||
60 | /* Initialize the entire pgd. */ | 60 | /* Initialize the entire pgd. */ |
61 | pgd_init((unsigned long)swapper_pg_dir); | 61 | pgd_init((unsigned long)swapper_pg_dir); |
62 | #ifdef MODULE_START | ||
63 | pgd_init((unsigned long)module_pg_dir); | ||
64 | #endif | ||
65 | pmd_init((unsigned long)invalid_pmd_table, (unsigned long)invalid_pte_table); | 62 | pmd_init((unsigned long)invalid_pmd_table, (unsigned long)invalid_pte_table); |
66 | 63 | ||
67 | pgd_base = swapper_pg_dir; | 64 | pgd_base = swapper_pg_dir; |
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 9a17bf8395df..bc66f57f3257 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c | |||
@@ -499,11 +499,7 @@ build_get_pmde64(u32 **p, struct uasm_label **l, struct uasm_reloc **r, | |||
499 | * The vmalloc handling is not in the hotpath. | 499 | * The vmalloc handling is not in the hotpath. |
500 | */ | 500 | */ |
501 | uasm_i_dmfc0(p, tmp, C0_BADVADDR); | 501 | uasm_i_dmfc0(p, tmp, C0_BADVADDR); |
502 | #ifdef MODULE_START | ||
503 | uasm_il_bltz(p, r, tmp, label_module_alloc); | ||
504 | #else | ||
505 | uasm_il_bltz(p, r, tmp, label_vmalloc); | 502 | uasm_il_bltz(p, r, tmp, label_vmalloc); |
506 | #endif | ||
507 | /* No uasm_i_nop needed here, since the next insn doesn't touch TMP. */ | 503 | /* No uasm_i_nop needed here, since the next insn doesn't touch TMP. */ |
508 | 504 | ||
509 | #ifdef CONFIG_SMP | 505 | #ifdef CONFIG_SMP |
@@ -556,52 +552,7 @@ build_get_pgd_vmalloc64(u32 **p, struct uasm_label **l, struct uasm_reloc **r, | |||
556 | { | 552 | { |
557 | long swpd = (long)swapper_pg_dir; | 553 | long swpd = (long)swapper_pg_dir; |
558 | 554 | ||
559 | #ifdef MODULE_START | ||
560 | long modd = (long)module_pg_dir; | ||
561 | |||
562 | uasm_l_module_alloc(l, *p); | ||
563 | /* | ||
564 | * Assumption: | ||
565 | * VMALLOC_START >= 0xc000000000000000UL | ||
566 | * MODULE_START >= 0xe000000000000000UL | ||
567 | */ | ||
568 | UASM_i_SLL(p, ptr, bvaddr, 2); | ||
569 | uasm_il_bgez(p, r, ptr, label_vmalloc); | ||
570 | |||
571 | if (uasm_in_compat_space_p(MODULE_START) && | ||
572 | !uasm_rel_lo(MODULE_START)) { | ||
573 | uasm_i_lui(p, ptr, uasm_rel_hi(MODULE_START)); /* delay slot */ | ||
574 | } else { | ||
575 | /* unlikely configuration */ | ||
576 | uasm_i_nop(p); /* delay slot */ | ||
577 | UASM_i_LA(p, ptr, MODULE_START); | ||
578 | } | ||
579 | uasm_i_dsubu(p, bvaddr, bvaddr, ptr); | ||
580 | |||
581 | if (uasm_in_compat_space_p(modd) && !uasm_rel_lo(modd)) { | ||
582 | uasm_il_b(p, r, label_vmalloc_done); | ||
583 | uasm_i_lui(p, ptr, uasm_rel_hi(modd)); | ||
584 | } else { | ||
585 | UASM_i_LA_mostly(p, ptr, modd); | ||
586 | uasm_il_b(p, r, label_vmalloc_done); | ||
587 | if (uasm_in_compat_space_p(modd)) | ||
588 | uasm_i_addiu(p, ptr, ptr, uasm_rel_lo(modd)); | ||
589 | else | ||
590 | uasm_i_daddiu(p, ptr, ptr, uasm_rel_lo(modd)); | ||
591 | } | ||
592 | |||
593 | uasm_l_vmalloc(l, *p); | 555 | uasm_l_vmalloc(l, *p); |
594 | if (uasm_in_compat_space_p(MODULE_START) && | ||
595 | !uasm_rel_lo(MODULE_START) && | ||
596 | MODULE_START << 32 == VMALLOC_START) | ||
597 | uasm_i_dsll32(p, ptr, ptr, 0); /* typical case */ | ||
598 | else | ||
599 | UASM_i_LA(p, ptr, VMALLOC_START); | ||
600 | #else | ||
601 | uasm_l_vmalloc(l, *p); | ||
602 | UASM_i_LA(p, ptr, VMALLOC_START); | ||
603 | #endif | ||
604 | uasm_i_dsubu(p, bvaddr, bvaddr, ptr); | ||
605 | 556 | ||
606 | if (uasm_in_compat_space_p(swpd) && !uasm_rel_lo(swpd)) { | 557 | if (uasm_in_compat_space_p(swpd) && !uasm_rel_lo(swpd)) { |
607 | uasm_il_b(p, r, label_vmalloc_done); | 558 | uasm_il_b(p, r, label_vmalloc_done); |