Re: Re: Re: Re: [PATCH 2/2] binder: Use receive_fd() to receive file from another process

2021-04-01 Thread Yongji Xie
On Thu, Apr 1, 2021 at 7:33 PM Greg KH wrote: > > On Thu, Apr 01, 2021 at 07:29:45PM +0800, Yongji Xie wrote: > > On Thu, Apr 1, 2021 at 6:42 PM Greg KH wrote: > > > > > > On Thu, Apr 01, 2021 at 06:12:51PM +0800, Yongji Xie wrote: > > > > On Thu, Apr

Re: Re: Re: [PATCH 2/2] binder: Use receive_fd() to receive file from another process

2021-04-01 Thread Yongji Xie
On Thu, Apr 1, 2021 at 6:42 PM Greg KH wrote: > > On Thu, Apr 01, 2021 at 06:12:51PM +0800, Yongji Xie wrote: > > On Thu, Apr 1, 2021 at 5:54 PM Greg KH wrote: > > > > > > On Thu, Apr 01, 2021 at 05:09:32PM +0800, Xie Yongji wrote: > > > > Use receive

Re: Re: [PATCH 2/2] binder: Use receive_fd() to receive file from another process

2021-04-01 Thread Yongji Xie
On Thu, Apr 1, 2021 at 6:40 PM Christian Brauner wrote: > > On Thu, Apr 01, 2021 at 11:54:45AM +0200, Greg KH wrote: > > On Thu, Apr 01, 2021 at 05:09:32PM +0800, Xie Yongji wrote: > > > Use receive_fd() to receive file from another process instead of > > > combination of get_unused_fd_flags() and

Re: Re: [PATCH 1/2] file: Export receive_fd() to modules

2021-04-01 Thread Yongji Xie
On Thu, Apr 1, 2021 at 5:52 PM Greg KH wrote: > > On Thu, Apr 01, 2021 at 05:09:31PM +0800, Xie Yongji wrote: > > Export receive_fd() so that some modules can use > > it to pass file descriptor across processes without > > missing any security stuffs. > > > > Signed-off-by: Xie Yongji > > --- > >

Re: Re: [PATCH 2/2] binder: Use receive_fd() to receive file from another process

2021-04-01 Thread Yongji Xie
On Thu, Apr 1, 2021 at 5:54 PM Greg KH wrote: > > On Thu, Apr 01, 2021 at 05:09:32PM +0800, Xie Yongji wrote: > > Use receive_fd() to receive file from another process instead of > > combination of get_unused_fd_flags() and fd_install(). This simplifies > > the logic and also makes sure we don't m

Re: Re: [PATCH 0/2] Export receive_fd() to modules and do some cleanups

2021-04-01 Thread Yongji Xie
On Thu, Apr 1, 2021 at 5:53 PM Greg KH wrote: > > On Thu, Apr 01, 2021 at 05:09:30PM +0800, Xie Yongji wrote: > > This series starts from Christian's comments on the series[1]. > > We'd like to export receive_fd() which can not only be used by > > our module in the series[1] but also allow further