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authorMatthew Fortune <Matthew.Fortune@imgtec.com>2016-02-23 16:09:15 +0000
committerAmit Shah <amit.shah@redhat.com>2016-02-26 15:05:25 +0530
commitd8b9d7719cf6fb3186ecc817b3c04005eb1a1f01 (patch)
tree0e8246c0597163880e68d719cef85ba58909a7d3 /migration
parentbdf46d6478df86d5810048459582dc8f5a15b064 (diff)
migration/postcopy-ram: Guard use of sys/eventfd.h with CONFIG_EVENTFD
sys/eventfd.h was being guarded only by a check for linux but does not exist on older distributions like CentOS 5. Move the include into the code that uses it and add an appropriate guard. Signed-off-by: Matthew Fortune <matthew.fortune@imgtec.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <6D39441BF12EF246A7ABCE6654B023536BB85DEB@hhmail02.hh.imgtec.org> Signed-off-by: Amit Shah <amit.shah@redhat.com>
Diffstat (limited to 'migration')
-rw-r--r--migration/postcopy-ram.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index 254c629d48..fbd0064fce 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -52,14 +52,14 @@ struct PostcopyDiscardState {
#if defined(__linux__)
#include <poll.h>
-#include <sys/eventfd.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <sys/syscall.h>
#include <asm/types.h> /* for __u64 */
#endif
-#if defined(__linux__) && defined(__NR_userfaultfd)
+#if defined(__linux__) && defined(__NR_userfaultfd) && defined(CONFIG_EVENTFD)
+#include <sys/eventfd.h>
#include <linux/userfaultfd.h>
static bool ufd_version_check(int ufd)