lguest: cache last cpu we ran on.

This optimizes the frobbing of our Switcher map. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-04-22 14:10:41 +09:30
parent 86935fc4ee
commit 6d0cda93c0
2 changed files with 55 additions and 26 deletions
--- a/drivers/lguest/lg.h
+++ b/drivers/lguest/lg.h
@@ -17,6 +17,7 @@
 struct pgdir {
 	unsigned long gpgdir;
 	bool switcher_mapped;
+	int last_host_cpu;
 	pgd_t *pgdir;
 };