Define Linux-style <preempt.h> interface.

Use it to disable sleeping in spinlock and rcu-read regions.

Signed-off-by: Keir Fraser <keir@xen.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/xen/common/Makefile b/xen/common/Makefile
index 1abca7d64a..d244e39c31 100644
--- a/xen/common/Makefile
+++ b/xen/common/Makefile
@@ -13,6 +13,7 @@ obj-y += memory.o
 obj-y += multicall.o
 obj-y += notifier.o
 obj-y += page_alloc.o
+obj-y += preempt.o
 obj-y += rangeset.o
 obj-y += sched_credit.o
 obj-y += sched_credit2.o