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Catch up with the page and page queues locking changes.

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This commit is contained in:
Alan Cox 2010-06-18 23:14:16 +00:00
parent 61a2a5dcd2
commit 69a990a144
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=209321
1 changed files with 8 additions and 8 deletions
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16
sys/dev/cxgb/ulp/tom/cxgb_vm.c
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@ -90,11 +90,9 @@ vm_fault_hold_user_pages(vm_map_t map, vm_offset_t addr, vm_page_t *mp,
* (and R/W if for write) if so just mark pages as held (and
* dirty if for write) and return
*/
vm_page_lock_queues();
for (pages = mp, faults = 0, va = addr; va < end;
va += PAGE_SIZE, pages++) {
/*
* page queue mutex is recursable so this is OK
* it would be really nice if we had an unlocked
* version of this so we were only acquiring the
* pmap lock 1 time as opposed to potentially
@ -110,11 +108,13 @@ vm_fault_hold_user_pages(vm_map_t map, vm_offset_t addr, vm_page_t *mp,
* will never have the modified bit set if
* they are only changed via DMA
*/
if (prot & VM_PROT_WRITE)
if (prot & VM_PROT_WRITE) {
vm_page_lock_queues();
vm_page_dirty(m);
vm_page_unlock_queues();
}
}
vm_page_unlock_queues();
if (faults == 0)
return (0);
@ -141,13 +141,13 @@ vm_fault_hold_user_pages(vm_map_t map, vm_offset_t addr, vm_page_t *mp,
error:
log(LOG_WARNING,
"vm_fault bad return rv=%d va=0x%zx\n", rv, va);
vm_page_lock_queues();
for (pages = mp, va = addr; va < end; va += PAGE_SIZE, pages++)
if (*pages) {
vm_page_lock(*pages);
vm_page_unhold(*pages);
vm_page_unlock(*pages);
*pages = NULL;
}
vm_page_unlock_queues();
return (EFAULT);
}
@ -156,10 +156,10 @@ vm_fault_unhold_pages(vm_page_t *mp, int count)
{
KASSERT(count >= 0, ("negative count %d", count));
vm_page_lock_queues();
while (count--) {
vm_page_lock(*mp);
vm_page_unhold(*mp);
vm_page_unlock(*mp);
mp++;
}
vm_page_unlock_queues();
}