From d07f2cc86876d93d20ffbf22a234519365fb092a Mon Sep 17 00:00:00 2001 From: Peter Hunt Date: Mon, 5 Apr 2021 12:36:18 -0400 Subject: [PATCH] remove stale cgroups-v2.patch Signed-off-by: Peter Hunt --- cgroups-v2.patch | 103 ----------------------------------------------- 1 file changed, 103 deletions(-) delete mode 100644 cgroups-v2.patch diff --git a/cgroups-v2.patch b/cgroups-v2.patch deleted file mode 100644 index 561b81a..0000000 --- a/cgroups-v2.patch +++ /dev/null @@ -1,103 +0,0 @@ -From 5fb0f19ec8c52ed0c9bbb3551deb0016992ecc52 Mon Sep 17 00:00:00 2001 -From: Giuseppe Scrivano -Date: Thu, 3 Oct 2019 15:58:39 +0200 -Subject: [PATCH] cgroups: raise an error on cgroups v2 - -Signed-off-by: Giuseppe Scrivano ---- - create.go | 8 ++++++++ - run.go | 8 ++++++++ - utils_linux.go | 14 ++++++++++++++ - 3 files changed, 30 insertions(+) - -diff --git a/create.go b/create.go -index 5f3ac609..91d17d07 100644 ---- a/create.go -+++ b/create.go -@@ -1,6 +1,7 @@ - package main - - import ( -+ "fmt" - "os" - - "github.com/urfave/cli" -@@ -52,6 +53,13 @@ command(s) that get executed on start, edit the args parameter of the spec. See - }, - }, - Action: func(context *cli.Context) error { -+ unified, err := IsCgroup2UnifiedMode() -+ if err != nil { -+ return err -+ } -+ if unified { -+ return fmt.Errorf("this version of runc doesn't work on cgroups v2") -+ } - if err := checkArgs(context, 1, exactArgs); err != nil { - return err - } -diff --git a/run.go b/run.go -index f8d63178..3f29737b 100644 ---- a/run.go -+++ b/run.go -@@ -3,6 +3,7 @@ - package main - - import ( -+ "fmt" - "os" - - "github.com/urfave/cli" -@@ -63,6 +64,13 @@ command(s) that get executed on start, edit the args parameter of the spec. See - }, - }, - Action: func(context *cli.Context) error { -+ unified, err := IsCgroup2UnifiedMode() -+ if err != nil { -+ return err -+ } -+ if unified { -+ return fmt.Errorf("this version of runc doesn't work on cgroups v2") -+ } - if err := checkArgs(context, 1, exactArgs); err != nil { - return err - } -diff --git a/utils_linux.go b/utils_linux.go -index 984e6b0f..a5a03de9 100644 ---- a/utils_linux.go -+++ b/utils_linux.go -@@ -9,6 +9,7 @@ import ( - "os/exec" - "path/filepath" - "strconv" -+ "syscall" - - "github.com/opencontainers/runc/libcontainer" - "github.com/opencontainers/runc/libcontainer/cgroups/systemd" -@@ -26,6 +27,10 @@ import ( - "golang.org/x/sys/unix" - ) - -+const ( -+ _cgroup2SuperMagic = 0x63677270 -+) -+ - var errEmptyID = errors.New("container id cannot be empty") - - // loadFactory returns the configured factory instance for execing containers. -@@ -451,3 +456,12 @@ func startContainer(context *cli.Context, spec *specs.Spec, action CtAct, criuOp - } - return r.run(spec.Process) - } -+ -+// IsCgroup2UnifiedMode returns whether we are running in cgroup 2 cgroup2 mode. -+func IsCgroup2UnifiedMode() (bool, error) { -+ var st syscall.Statfs_t -+ if err := syscall.Statfs("/sys/fs/cgroup", &st); err != nil { -+ return false, err -+ } -+ return st.Type == _cgroup2SuperMagic, nil -+} --- -2.21.0 -