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>

1 files changed, 1 insertions, 1 deletions

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;