Messages in this thread | | | Date | Wed, 4 Mar 2015 17:19:42 +0800 | Subject | Re: [PATCH -next] cpuset: initialize cpuset a bit early | From | Ming Lei <> |
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On Wed, Mar 4, 2015 at 5:09 PM, Zefan Li <lizefan@huawei.com> wrote: > Now we call ss->bind() in cgroup_init(), so cgroup_init() will > call cpuset_bind() and then the latter will access top_cpuset's > cpumask, which is NULL, because cpuset_init() is called after > cgroup_init() > > The simplest fix is to swap cgroup_init() and cpuset_init(). > > Cc: Vladimir Davydov <vdavydov@parallels.com> > Fixes: 295458e67284 ("cgroup: call cgroup_subsys->bind on cgroup subsys initialization") > Reported by: Ming Lei <tom.leiming@gmail.com> > Signed-off-by: Zefan Li <lizefan@huawei.com>
Looks this patch does fix the boot issue.
> --- > init/main.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/init/main.c b/init/main.c > index 61b9937..50d1e95 100644 > --- a/init/main.c > +++ b/init/main.c > @@ -667,8 +667,8 @@ asmlinkage __visible void __init start_kernel(void) > page_writeback_init(); > proc_root_init(); > nsfs_init(); > - cgroup_init(); > cpuset_init(); > + cgroup_init(); > taskstats_init_early(); > delayacct_init(); > > -- > 1.8.0.2 >
Thanks Ming Lei
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