Searched refs:PTE (Results 1 – 25 of 36) sorted by relevance
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17 PTE Page Table Helpers21 | pte_same | Tests whether both PTE entries are the same |23 | pte_bad | Tests a non-table mapped PTE |25 | pte_present | Tests a valid mapped PTE |27 | pte_young | Tests a young PTE |29 | pte_dirty | Tests a dirty PTE |31 | pte_write | Tests a writable PTE |33 | pte_special | Tests a special PTE |35 | pte_protnone | Tests a PROT_NONE PTE |37 | pte_devmap | Tests a ZONE_DEVICE mapped PTE |[all …]
13 access to the table. At the moment we use split lock for PTE and PMD19 maps pte and takes PTE table lock, returns pointer to the taken22 unlocks and unmaps PTE table;24 allocates PTE table if needed and take the lock, returns pointer27 returns pointer to PTE table lock;33 Split page table lock for PTE tables is enabled compile-time if37 Split page table lock for PMD tables is enabled, if it's enabled for PTE57 There's no need in special enabling of PTE split page table lock: everything59 must be called on PTE table allocation / freeing.97 The spinlock_t allocated in pgtable_pte_page_ctor() for PTE table and in
18 PTE for this purpose. PTE flags are scarce resource especially on some CPU
120 - map/unmap of the pages with PTE entry increment/decrement ->_mapcount143 File pages get PG_double_map set on the first map of the page with PTE and
344 of copying a page of zeros. Valid PTE entries to system memory or347 the LRU), unmapped from the process, and a special migration PTE is348 inserted in place of the original PTE.411 Some devices have features such as atomic PTE bits that can be used to implement
141 advantage is that PAE has more PTE bits and can provide advanced features
68 #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(MM, PMD, PTE) argument69 #define pmd_populate(MM, PMD, PTE) pmd_set(MM, PMD, PTE) argument
52 #define PTE page_size macro293 test_cases[3] = MAKE_TEST(PTE, PTE, PTE * 2, in main()298 test_cases[4] = MAKE_TEST(_1MB, PTE, _2MB, NON_OVERLAPPING, EXPECT_SUCCESS, in main()304 test_cases[6] = MAKE_TEST(PMD, PTE, _4MB, NON_OVERLAPPING, EXPECT_SUCCESS, in main()312 test_cases[9] = MAKE_TEST(PUD, PTE, _2GB, NON_OVERLAPPING, EXPECT_SUCCESS, in main()
7 The soft-dirty is a bit on a PTE which helps to track which pages a task20 64-bit qword is the soft-dirty one. If set, the respective PTE was27 the soft-dirty bit on the respective PTE.33 bits on the PTE.38 the same place. When unmap is called, the kernel internally clears PTE values
111 more page flag is introduced, the Young flag. When the PTE Accessed bit is113 is set on the page. The reclaimer treats the Young flag as an extra PTE
40 - CONT PTE PMD CONT PMD PUD
43 - CONT PTE PMD CONT PMD PUD
33 } PTE; typedef
47 table entry (PTE) has the Present bit cleared or other reserved bits set,48 then speculative execution ignores the invalid PTE and loads the referenced50 by the address bits in the PTE was still present and accessible.72 PTE which is marked non present. This allows a malicious user space75 encoded in the address bits of the PTE, thus making attacks more78 The Linux kernel contains a mitigation for this attack vector, PTE92 PTE inversion mitigation for L1TF, to attack physical host memory.132 'Mitigation: PTE Inversion' The host protection is active136 information is appended to the 'Mitigation: PTE Inversion' part:582 - PTE inversion to protect against malicious user space. This is done
106 DMAR:[fault reason 05] PTE Write access is not set108 DMAR:[fault reason 05] PTE Write access is not set
200 kvm_mmu_notifier_clear_flush_young), it marks the PTE not-present in hardware201 by clearing the RWX bits in the PTE and storing the original R & X bits in more204 atomically restore the PTE to a Present state. The W bit is not saved when the205 PTE is marked for access tracking and during restoration to the Present state,
62 :Purpose: Support MMU operations such as writing to PTE,
8 This check can spot missing TLB invalidation/wrong PTE permissions/
38 - CONT PTE PMD CONT PMD PUD
71 PTE Accessed-bit Based Access Check74 The implementation for the virtual address space uses PTE Accessed-bit for75 basic access checks. It finds the relevant PTE Accessed bit from the address
39 Nonetheless, DAMON provides vma tracking and PTE Accessed bit check based
111 #error PTE shared bit mismatch116 #error Invalid Linux PTE bit settings
93 .long do_page_fault !PTE not present
82 mov %g3, %o2 ! PTE125 mov %g3, %o2 ! PTE
178 an active PTE entry to the SCM block being bound.188 HCALL can fail if the Guest has an active PTE entry to the SCM block being
