From: Roman Bolshakov <r.bolshakov@yadro.com>
Date: Thu, 23 Aug 2018 08:49:48 +0000 (+0300)
Subject: qemu: Start domain on a node without cpu affinity
X-Git-Tag: v4.7.0-rc1~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=171aa72baaee3bf3d827a9e7ed98ac7d184e4cfb;p=thirdparty%2Flibvirt.git

qemu: Start domain on a node without cpu affinity

qemuProcessInitCpuAffinity prevents a VM from getting started on a
platform that uses cpu affinity wrapper stubs e.g. macOS.

The patch adds qemuProcessInitCpuAffinity stub on all platforms without
HAVE_SCHED_GETAFFINITY or HAVE_BSD_CPU_AFFINITY.

Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index ab749389ee..960c3ed011 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -2343,6 +2343,7 @@ qemuProcessDetectIOThreadPIDs(virQEMUDriverPtr driver,
 /*
  * To be run between fork/exec of QEMU only
  */
+#if defined(HAVE_SCHED_GETAFFINITY) || defined(HAVE_BSD_CPU_AFFINITY)
 static int
 qemuProcessInitCpuAffinity(virDomainObjPtr vm)
 {
@@ -2413,6 +2414,13 @@ qemuProcessInitCpuAffinity(virDomainObjPtr vm)
     virBitmapFree(hostcpumap);
     return ret;
 }
+#else /* !defined(HAVE_SCHED_GETAFFINITY) && !defined(HAVE_BSD_CPU_AFFINITY) */
+static int
+qemuProcessInitCpuAffinity(virDomainObjPtr vm ATTRIBUTE_UNUSED)
+{
+    return 0;
+}
+#endif /* !defined(HAVE_SCHED_GETAFFINITY) && !defined(HAVE_BSD_CPU_AFFINITY) */
 
 /* set link states to down on interfaces at qemu start */
 static int