lguest: change spte_addr header
spte_addr does not depend on any guest information, so we
wipe out the lg parameter completely.
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c
index fb66561..c4b8eaf 100644
--- a/drivers/lguest/page_tables.c
+++ b/drivers/lguest/page_tables.c
@@ -84,7 +84,7 @@
/* This routine then takes the page directory entry returned above, which
* contains the address of the page table entry (PTE) page. It then returns a
* pointer to the PTE entry for the given address. */
-static pte_t *spte_addr(struct lguest *lg, pgd_t spgd, unsigned long vaddr)
+static pte_t *spte_addr(pgd_t spgd, unsigned long vaddr)
{
pte_t *page = __va(pgd_pfn(spgd) << PAGE_SHIFT);
/* You should never call this if the PGD entry wasn't valid */
@@ -261,7 +261,7 @@
gpte = pte_mkdirty(gpte);
/* Get the pointer to the shadow PTE entry we're going to set. */
- spte = spte_addr(lg, *spgd, vaddr);
+ spte = spte_addr(*spgd, vaddr);
/* If there was a valid shadow PTE entry here before, we release it.
* This can happen with a write to a previously read-only entry. */
release_pte(*spte);
@@ -310,7 +310,7 @@
/* Check the flags on the pte entry itself: it must be present and
* writable. */
- flags = pte_flags(*(spte_addr(cpu->lg, *spgd, vaddr)));
+ flags = pte_flags(*(spte_addr(*spgd, vaddr)));
return (flags & (_PAGE_PRESENT|_PAGE_RW)) == (_PAGE_PRESENT|_PAGE_RW);
}
@@ -509,7 +509,7 @@
/* If the top level isn't present, there's no entry to update. */
if (pgd_flags(*spgd) & _PAGE_PRESENT) {
/* Otherwise, we start by releasing the existing entry. */
- pte_t *spte = spte_addr(lg, *spgd, vaddr);
+ pte_t *spte = spte_addr(*spgd, vaddr);
release_pte(*spte);
/* If they're setting this entry as dirty or accessed, we might
