ryantimwilson / rpms / systemd

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From 5fc2d94fbf8271bb340e834f832af5d890c267bf Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Michal=20Sekleta=CC=81r?= <msekleta@redhat.com>
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Date: Tue, 3 Mar 2020 11:45:00 +0100
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Subject: [PATCH] cgroup: make sure that cpuset is supported on cgroup v2 and
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 disabled with v1
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Resolves: #1808940
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(rhel-only)
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---
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 src/basic/cgroup-util.c | 7 +++++--
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 1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
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index 6f47c3aacb..92bc1f2543 100644
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--- a/src/basic/cgroup-util.c
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+++ b/src/basic/cgroup-util.c
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@@ -2353,10 +2353,10 @@ int cg_mask_supported(CGroupMask *ret) {
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                 if (r < 0)
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                         return r;
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-                /* Currently, we support the cpu, memory, io and pids
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+                /* Currently, we support the cpu, memory, io, pids and cpuset
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                  * controller in the unified hierarchy, mask
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                  * everything else off. */
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-                mask &= CGROUP_MASK_CPU | CGROUP_MASK_MEMORY | CGROUP_MASK_IO | CGROUP_MASK_PIDS;
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+                mask &= CGROUP_MASK_CPU | CGROUP_MASK_MEMORY | CGROUP_MASK_IO | CGROUP_MASK_PIDS | CGROUP_MASK_CPUSET;
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         } else {
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                 CGroupController c;
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@@ -2367,6 +2367,9 @@ int cg_mask_supported(CGroupMask *ret) {
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                 for (c = 0; c < _CGROUP_CONTROLLER_MAX; c++) {
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                         const char *n;
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+                        if (c == CGROUP_CONTROLLER_CPUSET)
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+                                continue;
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+
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                         n = cgroup_controller_to_string(c);
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                         if (controller_is_accessible(n) >= 0)
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                                 mask |= CGROUP_CONTROLLER_TO_MASK(c);