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migration/postcopy-ram: Guard use of sys/eventfd.h with CONFIG_EVENTFD

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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>
This commit is contained in:
Matthew Fortune 2016-02-23 16:09:15 +00:00 committed by Amit Shah
parent bdf46d6478
commit d8b9d7719c
1 changed files with 2 additions and 2 deletions
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4
migration/postcopy-ram.c
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@ -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)