On Thu, Nov 15, 2018 at 02:33:49PM -0800, Andrew Morton wrote: > On Mon, 12 Nov 2018 09:37:51 +0000 chouryzhou(周威) <chouryzhou@xxxxxxxxxxx> wrote: > > > Currently android's binder is not isolated by ipc namespace. Since binder > > is a form of IPC and therefore should be tied to ipc namespace. With this > > patch, we can run multiple instances of android container on one host. > > > > This patch move "binder_procs" and "binder_context" into ipc_namespace, > > driver will find the context from it when opening. For debugfs, binder_proc > > is namespace-aware, but not for binder dead nodes, binder_stats and > > binder_transaction_log_entry (we added ipc inum to trace it). > > > > ... > > > > drivers/android/binder.c | 133 ++++++++++++++++++++++++++++++++---------- > > include/linux/ipc_namespace.h | 15 +++++ > > ipc/namespace.c | 10 +++- > > 3 files changed, 125 insertions(+), 33 deletions(-) > > Well, it's mainly an android patch so I suggest this be taken via the > android tree. > > Acked-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > A number of us have talked about this in the plumbers Android track, and a different proposal for how to solve this has been made that should be much more resiliant. So I will drop this patch from my queue and wait for the patches based on the discussions we had there. I think there's some notes/slides on the discussion online somewhere, but it hasn't been published as the conference is still happening, otherwise I would link to it here... thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
