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authorGlauber de Oliveira Costa <gcosta@redhat.com>2008-01-07 11:05:30 -0200
committerRusty Russell <rusty@rustcorp.com.au>2008-01-30 22:50:09 +1100
commit0c78441cf4dd66f66e23dc085f0cc1e3e8669b96 (patch)
tree33216420c6300df9a345247dc6e0b669ce5b2198 /drivers/lguest/page_tables.c
parent177e449dc5bd4cf8dc48d66abee61ddf34b126b9 (diff)
downloadop-kernel-dev-0c78441cf4dd66f66e23dc085f0cc1e3e8669b96.zip
op-kernel-dev-0c78441cf4dd66f66e23dc085f0cc1e3e8669b96.tar.gz
lguest: map_switcher_in_guest() per-vcpu
The switcher needs to be mapped per-vcpu, because different vcpus will potentially have different page tables (they don't have to, because threads will share the same). So our first step is the make the function receive a vcpu struct Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/lguest/page_tables.c')
-rw-r--r--drivers/lguest/page_tables.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c
index fffabb3..17d3329 100644
--- a/drivers/lguest/page_tables.c
+++ b/drivers/lguest/page_tables.c
@@ -634,8 +634,9 @@ void free_guest_pagetable(struct lguest *lg)
* Guest (and not the pages for other CPUs). We have the appropriate PTE pages
* for each CPU already set up, we just need to hook them in now we know which
* Guest is about to run on this CPU. */
-void map_switcher_in_guest(struct lguest *lg, struct lguest_pages *pages)
+void map_switcher_in_guest(struct lg_cpu *cpu, struct lguest_pages *pages)
{
+ struct lguest *lg = cpu->lg;
pte_t *switcher_pte_page = __get_cpu_var(switcher_pte_pages);
pgd_t switcher_pgd;
pte_t regs_pte;
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