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Code Issues Releases Activity

Lock the pmap's tsb object when performing vm_page_grab() on it.

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This commit is contained in:
Alan Cox 2003-08-20 06:11:39 +00:00
parent 50b09b375f
commit 2094a9b6ce
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=119164
1 changed files with 2 additions and 0 deletions
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2
sys/sparc64/sparc64/pmap.c
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@ -980,6 +980,7 @@ pmap_pinit(pmap_t pm)
if (pm->pm_tsb_obj == NULL)
pm->pm_tsb_obj = vm_object_allocate(OBJT_DEFAULT, TSB_PAGES);
VM_OBJECT_LOCK(pm->pm_tsb_obj);
for (i = 0; i < TSB_PAGES; i++) {
m = vm_page_grab(pm->pm_tsb_obj, i,
VM_ALLOC_RETRY | VM_ALLOC_WIRED | VM_ALLOC_ZERO);
@ -994,6 +995,7 @@ pmap_pinit(pmap_t pm)
ma[i] = m;
}
VM_OBJECT_UNLOCK(pm->pm_tsb_obj);
pmap_qenter((vm_offset_t)pm->pm_tsb, ma, TSB_PAGES);
for (i = 0; i < MAXCPU; i++)