[lxc-devel] [lxc/master] cgroups: initialize cpuset properly

[brauner on Github]

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From b31d62b847a3ee013613795094cce4acc12345ef Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brauner at ubuntu.com>
Date: Sun, 28 Jul 2019 23:13:26 +0200
Subject: [PATCH] cgroups: initialize cpuset properly

Closes #3108.
Signed-off-by: Christian Brauner <christian.brauner at ubuntu.com>
---
 src/lxc/cgroups/cgfsng.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index 7b8fe6736f..c29c0958e9 100644
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -496,12 +496,12 @@ static bool cg_legacy_filter_and_set_cpus(char *path, bool am_initialized)
 	}
 
 	if (!flipped_bit) {
-		DEBUG("No isolated or offline cpus present in cpuset");
-		return true;
+		cpulist = lxc_cpumask_to_cpulist(possmask, maxposs);
+		TRACE("No isolated or offline cpus present in cpuset");
+	} else {
+		cpulist = move_ptr(posscpus);
+		TRACE("Removed isolated or offline cpus from cpuset");
 	}
-	DEBUG("Removed isolated or offline cpus from cpuset");
-
-	cpulist = lxc_cpumask_to_cpulist(possmask, maxposs);
 	if (!cpulist) {
 		ERROR("Failed to create cpu list");
 		return false;