diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-08-13 10:26:11 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2009-08-13 10:26:11 +1000 |
| commit | 73aa68ebe03dedbf91ed973fa240ca418ce6527a (patch) | |
| tree | e2bd61e1e5094fb34b77d2d5066dac3fecc434dc /drivers/lguest | |
| parent | 5d00538b6b445caf8bb9968c88aea0485e3d7d8c (diff) | |
lguest:PAE-dont-assume-PAGE_OFFSET
We still assume the Guest and Host have the same PAGE_OFFSET settings,
but now we don't assume 0xC0000000.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Matias Zabaljauregui <zabaljauregui@gmail.com>
Diffstat (limited to 'drivers/lguest')
| -rw-r--r-- | drivers/lguest/page_tables.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c index 232fba6a4882..bf37a31c0e05 100644 --- a/drivers/lguest/page_tables.c +++ b/drivers/lguest/page_tables.c @@ -996,11 +996,9 @@ static unsigned long setup_pagetables(struct lguest *lg, if (copy_to_user(&pgdir[0], &pgd, sizeof(pgd)) != 0) return -EFAULT; /* - * And the third PGD entry (ie. addresses 3G-4G). - * - * FIXME: This assumes that PAGE_OFFSET for the Guest is 0xC0000000. + * And the other PGD entry to make the linear mapping at PAGE_OFFSET */ - if (copy_to_user(&pgdir[3], &pgd, sizeof(pgd)) != 0) + if (copy_to_user(&pgdir[KERNEL_PGD_BOUNDARY], &pgd, sizeof(pgd))) return -EFAULT; #else /* |