Lines Matching full:ea
1373 static int subpage_protection(struct mm_struct *mm, unsigned long ea) in subpage_protection() argument
1382 if (ea >= spt->maxaddr) in subpage_protection()
1384 if (ea < 0x100000000UL) { in subpage_protection()
1388 sbpm = spt->protptrs[ea >> SBP_L3_SHIFT]; in subpage_protection()
1392 sbpp = sbpm[(ea >> SBP_L2_SHIFT) & (SBP_L2_COUNT - 1)]; in subpage_protection()
1395 spp = sbpp[(ea >> PAGE_SHIFT) & (SBP_L1_COUNT - 1)]; in subpage_protection()
1398 spp >>= 30 - 2 * ((ea >> 12) & 0xf); in subpage_protection()
1411 static inline int subpage_protection(struct mm_struct *mm, unsigned long ea) in subpage_protection() argument
1417 void hash_failure_debug(unsigned long ea, unsigned long access, in hash_failure_debug() argument
1423 pr_info("mm: Hashing failure ! EA=0x%lx access=0x%lx current=%s\n", in hash_failure_debug()
1424 ea, access, current->comm); in hash_failure_debug()
1429 static void check_paca_psize(unsigned long ea, struct mm_struct *mm, in check_paca_psize() argument
1433 if (psize != get_paca_psize(ea)) { in check_paca_psize()
1452 int hash_page_mm(struct mm_struct *mm, unsigned long ea, in hash_page_mm() argument
1464 DBG_LOW("hash_page(ea=%016lx, access=%lx, trap=%lx\n", in hash_page_mm()
1465 ea, access, trap); in hash_page_mm()
1466 trace_hash_fault(ea, access, trap); in hash_page_mm()
1469 switch (get_region_id(ea)) { in hash_page_mm()
1477 psize = get_slice_psize(mm, ea); in hash_page_mm()
1478 ssize = user_segment_size(ea); in hash_page_mm()
1479 vsid = get_user_vsid(&mm->context, ea, ssize); in hash_page_mm()
1482 vsid = get_kernel_vsid(ea, mmu_kernel_ssize); in hash_page_mm()
1489 vsid = get_kernel_vsid(ea, mmu_kernel_ssize); in hash_page_mm()
1531 ea &= ~((1ul << mmu_psize_defs[psize].shift) - 1); in hash_page_mm()
1535 ptep = find_linux_pte(pgdir, ea, &is_thp, &hugeshift); in hash_page_mm()
1564 rc = __hash_page_thp(ea, access, vsid, (pmd_t *)ptep, in hash_page_mm()
1568 rc = __hash_page_huge(ea, access, vsid, ptep, trap, in hash_page_mm()
1581 check_paca_psize(ea, mm, psize, user_region); in hash_page_mm()
1596 demote_segment_4k(mm, ea); in hash_page_mm()
1606 demote_segment_4k(mm, ea); in hash_page_mm()
1608 } else if (ea < VMALLOC_END) { in hash_page_mm()
1625 check_paca_psize(ea, mm, psize, user_region); in hash_page_mm()
1629 rc = __hash_page_64K(ea, access, vsid, ptep, trap, in hash_page_mm()
1634 int spp = subpage_protection(mm, ea); in hash_page_mm()
1638 rc = __hash_page_4K(ea, access, vsid, ptep, trap, in hash_page_mm()
1647 hash_failure_debug(ea, access, vsid, trap, ssize, psize, in hash_page_mm()
1662 int hash_page(unsigned long ea, unsigned long access, unsigned long trap, in hash_page() argument
1668 if ((get_region_id(ea) == VMALLOC_REGION_ID) || in hash_page()
1669 (get_region_id(ea) == IO_REGION_ID)) in hash_page()
1675 return hash_page_mm(mm, ea, access, trap, flags); in hash_page()
1681 unsigned long ea = regs->dar; in DEFINE_INTERRUPT_HANDLER() local
1694 region_id = get_region_id(ea); in DEFINE_INTERRUPT_HANDLER()
1720 err = hash_page_mm(mm, ea, access, TRAP(regs), flags); in DEFINE_INTERRUPT_HANDLER()
1725 _exception(SIGSEGV, regs, SEGV_ACCERR, ea); in DEFINE_INTERRUPT_HANDLER()
1727 _exception(SIGBUS, regs, BUS_ADRERR, ea); in DEFINE_INTERRUPT_HANDLER()
1738 static bool should_hash_preload(struct mm_struct *mm, unsigned long ea) in should_hash_preload() argument
1740 int psize = get_slice_psize(mm, ea); in should_hash_preload()
1747 * Don't prefault if subpage protection is enabled for the EA. in should_hash_preload()
1749 if (unlikely((psize == MMU_PAGE_4K) && subpage_protection(mm, ea))) in should_hash_preload()
1755 static void hash_preload(struct mm_struct *mm, pte_t *ptep, unsigned long ea, in hash_preload() argument
1764 BUG_ON(get_region_id(ea) != USER_REGION_ID); in hash_preload()
1766 if (!should_hash_preload(mm, ea)) in hash_preload()
1769 DBG_LOW("hash_preload(mm=%p, mm->pgdir=%p, ea=%016lx, access=%lx," in hash_preload()
1770 " trap=%lx\n", mm, mm->pgd, ea, access, trap); in hash_preload()
1778 ssize = user_segment_size(ea); in hash_preload()
1779 vsid = get_user_vsid(&mm->context, ea, ssize); in hash_preload()
1817 rc = __hash_page_64K(ea, access, vsid, ptep, trap, in hash_preload()
1821 rc = __hash_page_4K(ea, access, vsid, ptep, trap, update_flags, in hash_preload()
1822 ssize, subpage_protection(mm, ea)); in hash_preload()
1828 hash_failure_debug(ea, access, vsid, trap, ssize, in hash_preload()
2070 void hpt_do_stress(unsigned long ea, unsigned long hpte_group) in hpt_do_stress() argument
2093 if (ea >= PAGE_OFFSET) { in hpt_do_stress()