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From 28bd414db666463dca0a26bbb969fd6bc784ec8e Mon Sep 17 00:00:00 2001
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Message-Id: <28bd414db666463dca0a26bbb969fd6bc784ec8e@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Tue, 17 Jan 2023 10:02:07 +0100
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Subject: [PATCH] vircgroupv2: fix cpu.weight limits check
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The cgroup v2 cpu.weight limits are different than cgroup v1 cpu.shares
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limits.
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
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(cherry picked from commit cf3414a85b8383d71d6ae2a53daf63c331cc2230)
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2037998
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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---
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src/util/vircgroup.h | 2 ++
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src/util/vircgroupv2.c | 8 ++++----
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2 files changed, 6 insertions(+), 4 deletions(-)
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diff --git a/src/util/vircgroup.h b/src/util/vircgroup.h
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index 690f09465c..adf3850b22 100644
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--- a/src/util/vircgroup.h
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+++ b/src/util/vircgroup.h
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@@ -235,6 +235,8 @@ int virCgroupGetCpuShares(virCgroup *group, unsigned long long *shares);
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/* Based on kernel code ((1ULL << MAX_BW_BITS) - 1) where MAX_BW_BITS is
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* (64 - BW_SHIFT) and BW_SHIFT is 20 */
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#define VIR_CGROUP_CPU_QUOTA_MAX 17592186044415LL
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+#define VIR_CGROUPV2_WEIGHT_MIN 1LL
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+#define VIR_CGROUPV2_WEIGHT_MAX 10000LL
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int virCgroupSetCpuCfsPeriod(virCgroup *group, unsigned long long cfs_period);
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int virCgroupGetCpuCfsPeriod(virCgroup *group, unsigned long long *cfs_period);
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diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
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index b1f562aa52..219b9c7f21 100644
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--- a/src/util/vircgroupv2.c
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+++ b/src/util/vircgroupv2.c
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@@ -1499,13 +1499,13 @@ static int
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virCgroupV2SetCpuShares(virCgroup *group,
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unsigned long long shares)
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{
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- if (shares < VIR_CGROUP_CPU_SHARES_MIN ||
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- shares > VIR_CGROUP_CPU_SHARES_MAX) {
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+ if (shares < VIR_CGROUPV2_WEIGHT_MIN ||
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+ shares > VIR_CGROUPV2_WEIGHT_MAX) {
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virReportError(VIR_ERR_INVALID_ARG,
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_("shares '%llu' must be in range [%llu, %llu]"),
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shares,
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- VIR_CGROUP_CPU_SHARES_MIN,
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- VIR_CGROUP_CPU_SHARES_MAX);
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+ VIR_CGROUPV2_WEIGHT_MIN,
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+ VIR_CGROUPV2_WEIGHT_MAX);
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return -1;
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}
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--
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2.39.1
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