From 6fc9abce93fb193d748c45dbe47920b287c9aa07 Mon Sep 17 00:00:00 2001 Message-Id: <6fc9abce93fb193d748c45dbe47920b287c9aa07@dist-git> From: Pavel Hrdina Date: Mon, 1 Jul 2019 17:07:23 +0200 Subject: [PATCH] vircgroup: introduce virCgroupV2GetAnyController MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Pavel Hrdina (cherry picked from commit 171c700cd8c5509dc868c00faed9a16feaa2339d) Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297 Signed-off-by: Pavel Hrdina Message-Id: <2bc9d83fa5195d1650a8801c69b850ff86fd8386.1561993100.git.phrdina@redhat.com> Reviewed-by: Ján Tomko --- src/util/vircgroupv2.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c index babce95aeb..65cbad533b 100644 --- a/src/util/vircgroupv2.c +++ b/src/util/vircgroupv2.c @@ -307,6 +307,14 @@ virCgroupV2HasController(virCgroupPtr group, } +static int +virCgroupV2GetAnyController(virCgroupPtr group) +{ + /* The least significant bit is position 1. */ + return ffs(group->unified.controllers) - 1; +} + + virCgroupBackend virCgroupV2Backend = { .type = VIR_CGROUP_BACKEND_TYPE_V2, @@ -320,6 +328,7 @@ virCgroupBackend virCgroupV2Backend = { .stealPlacement = virCgroupV2StealPlacement, .detectControllers = virCgroupV2DetectControllers, .hasController = virCgroupV2HasController, + .getAnyController = virCgroupV2GetAnyController, }; -- 2.22.0