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Changeset 235e6c7 in mainline for kernel/genarch/src/mm/page_pt.c


Ignore:
Timestamp:
2011-05-21T16:47:40Z (11 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master
Children:
c99693a
Parents:
0ff03f3
Message:

Propagate the nolock flag to individual mapping_find() implementations.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • kernel/genarch/src/mm/page_pt.c

    r0ff03f3 r235e6c7  
    4848static void pt_mapping_insert(as_t *, uintptr_t, uintptr_t, unsigned int);
    4949static void pt_mapping_remove(as_t *, uintptr_t);
    50 static pte_t *pt_mapping_find(as_t *, uintptr_t);
     50static pte_t *pt_mapping_find(as_t *, uintptr_t, bool);
    5151
    5252page_mapping_operations_t pt_mapping_operations = {
     
    238238/** Find mapping for virtual page in hierarchical page tables.
    239239 *
    240  * Find mapping for virtual page.
    241  *
    242  * @param as   Address space to which page belongs.
    243  * @param page Virtual page.
     240 * @param as     Address space to which page belongs.
     241 * @param page   Virtual page.
     242 * @param nolock True if the page tables need not be locked.
    244243 *
    245244 * @return NULL if there is no such mapping; entry from PTL3 describing
     
    247246 *
    248247 */
    249 pte_t *pt_mapping_find(as_t *as, uintptr_t page)
     248pte_t *pt_mapping_find(as_t *as, uintptr_t page, bool nolock)
    250249{
    251         ASSERT(page_table_locked(as));
     250        ASSERT(nolock || page_table_locked(as));
    252251
    253252        pte_t *ptl0 = (pte_t *) PA2KA((uintptr_t) as->genarch.page_table);
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