diff options
| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-17 22:09:49 +0100 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-01-30 12:50:15 +0100 |
| commit | 2092aa277b0adfb8f4f47ab8a9ee00aff0ca7ed6 (patch) | |
| tree | c72afde81f7cfba5ed9579d86875614a2646a834 /drivers/lguest | |
| parent | lguest: per-vcpu lguest pgdir management (diff) | |
| download | linux-2092aa277b0adfb8f4f47ab8a9ee00aff0ca7ed6.tar.xz linux-2092aa277b0adfb8f4f47ab8a9ee00aff0ca7ed6.zip | |
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>
Diffstat (limited to 'drivers/lguest')
| -rw-r--r-- | drivers/lguest/page_tables.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c index fb665611ccc2..c4b8eafda308 100644 --- a/drivers/lguest/page_tables.c +++ b/drivers/lguest/page_tables.c @@ -84,7 +84,7 @@ static pgd_t *spgd_addr(struct lguest *lg, u32 i, unsigned long vaddr) /* 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 @@ int demand_page(struct lg_cpu *cpu, unsigned long vaddr, int errcode) 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 @@ static int page_writable(struct lg_cpu *cpu, unsigned long vaddr) /* 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 @@ static void do_set_pte(struct lguest *lg, int idx, /* 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 |