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| author | Matias Zabaljauregui <zabaljauregui@gmail.com> | 2009-05-30 15:35:49 -0300 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-06-12 22:27:06 +0930 |
| commit | ed1dc77810159a733240ba6751c1b31023bf8dd7 (patch) | |
| tree | d77ed52cd56e2cf3f5eac9d5db22ad1196e694d8 | |
| parent | 7b5c806c35f6ff76b2e36a8b5b1513c8a83fcff7 (diff) | |
| download | linux-ed1dc77810159a733240ba6751c1b31023bf8dd7.tar.gz linux-ed1dc77810159a733240ba6751c1b31023bf8dd7.tar.bz2 linux-ed1dc77810159a733240ba6751c1b31023bf8dd7.zip | |
lguest: map switcher with executable page table entries
Map switcher with executable page table entries.
(This bug didn't matter before PAE and hence NX support -- RR)
Signed-off-by: Matias Zabaljauregui <zabaljauregui@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| -rw-r--r-- | drivers/lguest/core.c | 2 | ||||
| -rw-r--r-- | drivers/lguest/page_tables.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c index 03fbc88c0023..d0298dc45d97 100644 --- a/drivers/lguest/core.c +++ b/drivers/lguest/core.c @@ -95,7 +95,7 @@ static __init int map_switcher(void) * array of struct pages. It increments that pointer, but we don't * care. */ pagep = switcher_page; - err = map_vm_area(switcher_vma, PAGE_KERNEL, &pagep); + err = map_vm_area(switcher_vma, PAGE_KERNEL_EXEC, &pagep); if (err) { printk("lguest: map_vm_area failed: %i\n", err); goto free_vma; diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c index a059cf9980f7..496995370fbc 100644 --- a/drivers/lguest/page_tables.c +++ b/drivers/lguest/page_tables.c @@ -714,7 +714,7 @@ void map_switcher_in_guest(struct lg_cpu *cpu, struct lguest_pages *pages) /* Make the last PGD entry for this Guest point to the Switcher's PTE * page for this CPU (with appropriate flags). */ - switcher_pgd = __pgd(__pa(switcher_pte_page) | __PAGE_KERNEL); + switcher_pgd = __pgd(__pa(switcher_pte_page) | __PAGE_KERNEL_EXEC); cpu->lg->pgdirs[cpu->cpu_pgd].pgdir[SWITCHER_PGD_INDEX] = switcher_pgd; |