Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-06-01 Thread Konstantin Khlebnikov
On 01.06.2018 18:55, NAGARATHNAM MUTHUSAMY wrote: On 5/31/2018 11:58 PM, Konstantin Khlebnikov wrote: On Thu, May 31, 2018 at 9:05 PM, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: Ping? Any additional comments on this patch? Konstantin's v5 no.    I am uncomfortable with

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-06-01 Thread Konstantin Khlebnikov
On 01.06.2018 18:55, NAGARATHNAM MUTHUSAMY wrote: On 5/31/2018 11:58 PM, Konstantin Khlebnikov wrote: On Thu, May 31, 2018 at 9:05 PM, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: Ping? Any additional comments on this patch? Konstantin's v5 no.    I am uncomfortable with

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-06-01 Thread Eric W. Biederman
NAGARATHNAM MUTHUSAMY writes: > On 5/31/2018 11:58 PM, Konstantin Khlebnikov wrote: >> On Thu, May 31, 2018 at 9:05 PM, Eric W. Biederman >> wrote: >>> Nagarathnam Muthusamy writes: >>> Ping? Any additional comments on this patch? >>> Konstantin's v5 no. >>> >>>I am uncomfortable with

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-06-01 Thread Eric W. Biederman
NAGARATHNAM MUTHUSAMY writes: > On 5/31/2018 11:58 PM, Konstantin Khlebnikov wrote: >> On Thu, May 31, 2018 at 9:05 PM, Eric W. Biederman >> wrote: >>> Nagarathnam Muthusamy writes: >>> Ping? Any additional comments on this patch? >>> Konstantin's v5 no. >>> >>>I am uncomfortable with

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-06-01 Thread NAGARATHNAM MUTHUSAMY
On 5/31/2018 11:58 PM, Konstantin Khlebnikov wrote: On Thu, May 31, 2018 at 9:05 PM, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: Ping? Any additional comments on this patch? Konstantin's v5 no. I am uncomfortable with unnecessary flexibility. I don't want to encourage

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-06-01 Thread NAGARATHNAM MUTHUSAMY
On 5/31/2018 11:58 PM, Konstantin Khlebnikov wrote: On Thu, May 31, 2018 at 9:05 PM, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: Ping? Any additional comments on this patch? Konstantin's v5 no. I am uncomfortable with unnecessary flexibility. I don't want to encourage

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-06-01 Thread Konstantin Khlebnikov
On Thu, May 31, 2018 at 9:05 PM, Eric W. Biederman wrote: > Nagarathnam Muthusamy writes: > >> Ping? Any additional comments on this patch? > > Konstantin's v5 no. > > I am uncomfortable with unnecessary flexibility. I don't want to > encourage the increased usage of pids to identify

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-06-01 Thread Konstantin Khlebnikov
On Thu, May 31, 2018 at 9:05 PM, Eric W. Biederman wrote: > Nagarathnam Muthusamy writes: > >> Ping? Any additional comments on this patch? > > Konstantin's v5 no. > > I am uncomfortable with unnecessary flexibility. I don't want to > encourage the increased usage of pids to identify

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-31 Thread Eric W. Biederman
Nagarathnam Muthusamy writes: > Ping? Any additional comments on this patch? Konstantin's v5 no. I am uncomfortable with unnecessary flexibility. I don't want to encourage the increased usage of pids to identify namespaces. I saw no arguments in favor of pids to identify namespaces

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-31 Thread Eric W. Biederman
Nagarathnam Muthusamy writes: > Ping? Any additional comments on this patch? Konstantin's v5 no. I am uncomfortable with unnecessary flexibility. I don't want to encourage the increased usage of pids to identify namespaces. I saw no arguments in favor of pids to identify namespaces

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-31 Thread Eric W. Biederman
"Michael Kerrisk (man-pages)" writes: > On 04/05/2018 09:02 AM, Konstantin Khlebnikov wrote: >> On 05.04.2018 01:29, Eric W. Biederman wrote: >>> Nagarathnam Muthusamy writes: >>> On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: > Each process have different pids, one for each pid

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-31 Thread Eric W. Biederman
"Michael Kerrisk (man-pages)" writes: > On 04/05/2018 09:02 AM, Konstantin Khlebnikov wrote: >> On 05.04.2018 01:29, Eric W. Biederman wrote: >>> Nagarathnam Muthusamy writes: >>> On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: > Each process have different pids, one for each pid

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-31 Thread Eric W. Biederman
Nagarathnam Muthusamy writes: > On 05/15/2018 10:36 AM, Konstantin Khlebnikov wrote: >> >> >> On 15.05.2018 20:19, Nagarathnam Muthusamy wrote: >>> >>> >>> On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: > > > On 04/05/2018

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-31 Thread Eric W. Biederman
Nagarathnam Muthusamy writes: > On 05/15/2018 10:36 AM, Konstantin Khlebnikov wrote: >> >> >> On 15.05.2018 20:19, Nagarathnam Muthusamy wrote: >>> >>> >>> On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: > > > On 04/05/2018

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-31 Thread Nagarathnam Muthusamy
On 05/15/2018 10:36 AM, Konstantin Khlebnikov wrote: On 15.05.2018 20:19, Nagarathnam Muthusamy wrote: On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29,

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-31 Thread Nagarathnam Muthusamy
On 05/15/2018 10:36 AM, Konstantin Khlebnikov wrote: On 15.05.2018 20:19, Nagarathnam Muthusamy wrote: On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29,

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-15 Thread Nagarathnam Muthusamy
On 05/15/2018 10:40 AM, Nagarathnam Muthusamy wrote: On 05/15/2018 10:36 AM, Konstantin Khlebnikov wrote: On 15.05.2018 20:19, Nagarathnam Muthusamy wrote: On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM,

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-15 Thread Nagarathnam Muthusamy
On 05/15/2018 10:40 AM, Nagarathnam Muthusamy wrote: On 05/15/2018 10:36 AM, Konstantin Khlebnikov wrote: On 15.05.2018 20:19, Nagarathnam Muthusamy wrote: On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM,

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-15 Thread Nagarathnam Muthusamy
On 05/15/2018 10:36 AM, Konstantin Khlebnikov wrote: On 15.05.2018 20:19, Nagarathnam Muthusamy wrote: On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29, Eric

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-15 Thread Nagarathnam Muthusamy
On 05/15/2018 10:36 AM, Konstantin Khlebnikov wrote: On 15.05.2018 20:19, Nagarathnam Muthusamy wrote: On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29, Eric

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-15 Thread Konstantin Khlebnikov
On 15.05.2018 20:19, Nagarathnam Muthusamy wrote: On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29, Eric W. Biederman wrote: Nagarathnam Muthusamy

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-15 Thread Konstantin Khlebnikov
On 15.05.2018 20:19, Nagarathnam Muthusamy wrote: On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29, Eric W. Biederman wrote: Nagarathnam Muthusamy writes:

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-15 Thread Nagarathnam Muthusamy
On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: On 04/04/2018 12:11

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-05-15 Thread Nagarathnam Muthusamy
On 04/24/2018 10:36 PM, Konstantin Khlebnikov wrote: On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote:

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-27 Thread Michael Kerrisk (man-pages)
On 04/05/2018 09:02 AM, Konstantin Khlebnikov wrote: > On 05.04.2018 01:29, Eric W. Biederman wrote: >> Nagarathnam Muthusamy writes: >> >>> On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: Each process have different pids, one for each pid namespace it

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-27 Thread Michael Kerrisk (man-pages)
On 04/05/2018 09:02 AM, Konstantin Khlebnikov wrote: > On 05.04.2018 01:29, Eric W. Biederman wrote: >> Nagarathnam Muthusamy writes: >> >>> On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: Each process have different pids, one for each pid namespace it belongs. When interaction

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-24 Thread Konstantin Khlebnikov
On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: Each process have

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-24 Thread Konstantin Khlebnikov
On 23.04.2018 20:37, Nagarathnam Muthusamy wrote: On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: Each process have different pids, one for each pid

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-23 Thread Nagarathnam Muthusamy
On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: Each process have different pids, one for each pid namespace it belongs.

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-23 Thread Nagarathnam Muthusamy
On 04/05/2018 12:02 AM, Konstantin Khlebnikov wrote: On 05.04.2018 01:29, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: Each process have different pids, one for each pid namespace it belongs. When interaction happens within

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-05 Thread Konstantin Khlebnikov
On 05.04.2018 01:29, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: Each process have different pids, one for each pid namespace it belongs. When interaction happens within single pid-ns

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-05 Thread Konstantin Khlebnikov
On 05.04.2018 01:29, Eric W. Biederman wrote: Nagarathnam Muthusamy writes: On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: Each process have different pids, one for each pid namespace it belongs. When interaction happens within single pid-ns translation isn't required. More complicated

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-04 Thread Eric W. Biederman
Nagarathnam Muthusamy writes: > On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: >> Each process have different pids, one for each pid namespace it belongs. >> When interaction happens within single pid-ns translation isn't required. >> More complicated

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-04 Thread Eric W. Biederman
Nagarathnam Muthusamy writes: > On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: >> Each process have different pids, one for each pid namespace it belongs. >> When interaction happens within single pid-ns translation isn't required. >> More complicated scenarios needs special handling. >>

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-04 Thread Nagarathnam Muthusamy
On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: Each process have different pids, one for each pid namespace it belongs. When interaction happens within single pid-ns translation isn't required. More complicated scenarios needs special handling. For example: - reading pid-files or logs

Re: [PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-04 Thread Nagarathnam Muthusamy
On 04/04/2018 12:11 PM, Konstantin Khlebnikov wrote: Each process have different pids, one for each pid namespace it belongs. When interaction happens within single pid-ns translation isn't required. More complicated scenarios needs special handling. For example: - reading pid-files or logs

[PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-04 Thread Konstantin Khlebnikov
Each process have different pids, one for each pid namespace it belongs. When interaction happens within single pid-ns translation isn't required. More complicated scenarios needs special handling. For example: - reading pid-files or logs written inside container with pid namespace - attaching

[PATCH RFC v5] pidns: introduce syscall translate_pid

2018-04-04 Thread Konstantin Khlebnikov
Each process have different pids, one for each pid namespace it belongs. When interaction happens within single pid-ns translation isn't required. More complicated scenarios needs special handling. For example: - reading pid-files or logs written inside container with pid namespace - attaching