On Fri, Oct 31, 2014 at 7:59 PM, Eric W. Biederman
<ebiederm@xxxxxxxxxxxx> wrote:
> Andy Lutomirski <luto@xxxxxxxxxxxxxx> writes:
>>> @@ -1862,6 +1904,7 @@ static struct file_system_type cgroup_fs_type = {
>>> .name = "cgroup",
>>> .mount = cgroup_mount,
>>> .kill_sb = cgroup_kill_sb,
>>> + .fs_flags = FS_USERNS_MOUNT,
>>
>> Aargh, another one! Eric, can you either ack or nack my patch?
>> Because if my patch goes in, then this line may need to change. Or
>> not, but if a stable release with cgroupfs and without my patch
>> happens, then we'll have an ABI break.
>
> cgroupfs has no device nodes. So as long as we are consistent in any
> given release what happens here is orthogonal.
>
> I don't remember if we have managed to get the original problem fixed
> with the trivial backportable solution. I think so.
I don't remember. I think the problem is still there, since I think
my patch still applies, and my patch conflicts with your fix. It's
been long enough that I'm not sure it's worth applying your patch as
an interim fix.
>
> My apologies for not getting to that I haven't even had time to shepherd
> through the regression associated regression fix. I probably just lock
> track of them but I haven't found the Tested-By's for it yet.
No worries. I've tested it, but it's my patch, so there's a big grain
of salt there. I think Serge tested it, too.
>
> Nor have I had time to dig through and figure out how to safely deal
> with umount -l aka MOUNT_DETACH.
If you're talking about the do_remount_sb thing, that's already in Linus' tree.
>
> Along with the question about what to do with nodev, there is also
> your patch about nosuid.
The nosuid patch has a couple versions, and I'm not sure which version
I prefer. It's certainly debatable.
>
> Starting in about 5 minutes I am going to be mostly offline until
> sometime in the 3rd week in November as I haul all of my stuff accross
> the country to someplace that actually has winter and my allergies don't
> kill me.
Have fun!
--Andy
>
> I am going to have to review and merge a lot of code as soon as I am
> back to being a programmer full time again. There is a lot of
> interesting stuff coming in right now.
>
> Eric
--
Andy Lutomirski
AMA Capital Management, LLC
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