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yaml
---
r: 162853
b: refs/heads/master
c: e0cc87f
h: refs/heads/master
i:
  162851: 6ef13c6
v: v3
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Wu Fei authored and Ralf Baechle committed Sep 17, 2009
1 parent 681fcea commit c0c957d
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Showing 5 changed files with 4 additions and 64 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a7bcb1ae6094db78b077ae17e92c69de7643014f
refs/heads/master: e0cc87f59490d7d62a8ab2a76498dc8a2b64927a
11 changes: 3 additions & 8 deletions trunk/arch/mips/include/asm/pgtable-64.h
Original file line number Diff line number Diff line change
Expand Up @@ -109,13 +109,13 @@

#define VMALLOC_START MAP_BASE
#define VMALLOC_END \
(VMALLOC_START + PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE)
(VMALLOC_START + \
PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE - (1UL << 32))
#if defined(CONFIG_MODULES) && defined(KBUILD_64BIT_SYM32) && \
VMALLOC_START != CKSSEG
/* Load modules into 32bit-compatible segment. */
#define MODULE_START CKSSEG
#define MODULE_END (FIXADDR_START-2*PAGE_SIZE)
extern pgd_t module_pg_dir[PTRS_PER_PGD];
#endif

#define pte_ERROR(e) \
Expand Down Expand Up @@ -188,12 +188,7 @@ static inline void pud_clear(pud_t *pudp)
#define __pmd_offset(address) pmd_index(address)

/* to find an entry in a kernel page-table-directory */
#ifdef MODULE_START
#define pgd_offset_k(address) \
((address) >= MODULE_START ? module_pg_dir : pgd_offset(&init_mm, 0UL))
#else
#define pgd_offset_k(address) pgd_offset(&init_mm, 0UL)
#endif
#define pgd_offset_k(address) pgd_offset(&init_mm, address)

#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
Expand Down
3 changes: 0 additions & 3 deletions trunk/arch/mips/mm/init.c
Original file line number Diff line number Diff line change
Expand Up @@ -475,9 +475,6 @@ unsigned long pgd_current[NR_CPUS];
*/
pgd_t swapper_pg_dir[_PTRS_PER_PGD] __page_aligned(_PGD_ORDER);
#ifdef CONFIG_64BIT
#ifdef MODULE_START
pgd_t module_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER);
#endif
pmd_t invalid_pmd_table[PTRS_PER_PMD] __page_aligned(PMD_ORDER);
#endif
pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER);
3 changes: 0 additions & 3 deletions trunk/arch/mips/mm/pgtable-64.c
Original file line number Diff line number Diff line change
Expand Up @@ -59,9 +59,6 @@ void __init pagetable_init(void)

/* Initialize the entire pgd. */
pgd_init((unsigned long)swapper_pg_dir);
#ifdef MODULE_START
pgd_init((unsigned long)module_pg_dir);
#endif
pmd_init((unsigned long)invalid_pmd_table, (unsigned long)invalid_pte_table);

pgd_base = swapper_pg_dir;
Expand Down
49 changes: 0 additions & 49 deletions trunk/arch/mips/mm/tlbex.c
Original file line number Diff line number Diff line change
Expand Up @@ -499,11 +499,7 @@ build_get_pmde64(u32 **p, struct uasm_label **l, struct uasm_reloc **r,
* The vmalloc handling is not in the hotpath.
*/
uasm_i_dmfc0(p, tmp, C0_BADVADDR);
#ifdef MODULE_START
uasm_il_bltz(p, r, tmp, label_module_alloc);
#else
uasm_il_bltz(p, r, tmp, label_vmalloc);
#endif
/* No uasm_i_nop needed here, since the next insn doesn't touch TMP. */

#ifdef CONFIG_SMP
Expand Down Expand Up @@ -556,52 +552,7 @@ build_get_pgd_vmalloc64(u32 **p, struct uasm_label **l, struct uasm_reloc **r,
{
long swpd = (long)swapper_pg_dir;

#ifdef MODULE_START
long modd = (long)module_pg_dir;

uasm_l_module_alloc(l, *p);
/*
* Assumption:
* VMALLOC_START >= 0xc000000000000000UL
* MODULE_START >= 0xe000000000000000UL
*/
UASM_i_SLL(p, ptr, bvaddr, 2);
uasm_il_bgez(p, r, ptr, label_vmalloc);

if (uasm_in_compat_space_p(MODULE_START) &&
!uasm_rel_lo(MODULE_START)) {
uasm_i_lui(p, ptr, uasm_rel_hi(MODULE_START)); /* delay slot */
} else {
/* unlikely configuration */
uasm_i_nop(p); /* delay slot */
UASM_i_LA(p, ptr, MODULE_START);
}
uasm_i_dsubu(p, bvaddr, bvaddr, ptr);

if (uasm_in_compat_space_p(modd) && !uasm_rel_lo(modd)) {
uasm_il_b(p, r, label_vmalloc_done);
uasm_i_lui(p, ptr, uasm_rel_hi(modd));
} else {
UASM_i_LA_mostly(p, ptr, modd);
uasm_il_b(p, r, label_vmalloc_done);
if (uasm_in_compat_space_p(modd))
uasm_i_addiu(p, ptr, ptr, uasm_rel_lo(modd));
else
uasm_i_daddiu(p, ptr, ptr, uasm_rel_lo(modd));
}

uasm_l_vmalloc(l, *p);
if (uasm_in_compat_space_p(MODULE_START) &&
!uasm_rel_lo(MODULE_START) &&
MODULE_START << 32 == VMALLOC_START)
uasm_i_dsll32(p, ptr, ptr, 0); /* typical case */
else
UASM_i_LA(p, ptr, VMALLOC_START);
#else
uasm_l_vmalloc(l, *p);
UASM_i_LA(p, ptr, VMALLOC_START);
#endif
uasm_i_dsubu(p, bvaddr, bvaddr, ptr);

if (uasm_in_compat_space_p(swpd) && !uasm_rel_lo(swpd)) {
uasm_il_b(p, r, label_vmalloc_done);
Expand Down

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