Hi David, Evgeniy,
Sorry to bother you, but could you please comment about the UAPI change and the
patch?
Thanks, Jesper.
--
Stefan
On 05/04/18 12:07, Jesper Derehag wrote:
> Unless David comes back with something I have (also) missed regarding uapi
> breakage, this looks good to me.
>
> /Jesper
>
> ________________________________________
> Från: Stefan Strogin <sstro...@cisco.com>
> Skickat: den 2 april 2018 17:18
> Till: David Miller
> Kopia: z...@ioremap.net; net...@vger.kernel.org;
> linux-kernel@vger.kernel.org; xe-linux-exter...@cisco.com;
> jdere...@hotmail.com; matt.hels...@gmail.com; mini...@googlemail.com
> Ämne: Re: [PATCH] connector: add parent pid and tgid to coredump and exit
> events
>
> Hi David,
>
> I don't see how it breaks UAPI. The point is that structures
> coredump_proc_event and exit_proc_event are members of *union*
> event_data, thus position of the existing data in the structure is
> unchanged. Furthermore, this change won't increase size of struct
> proc_event, because comm_proc_event (also a member of event_data) is
> of bigger size than the changed structures.
>
> If I'm wrong, could you please explain what exactly will the change
> break in UAPI?
>
>
> On 30/03/18 19:59, David Miller wrote:
>> From: Stefan Strogin <sstro...@cisco.com>
>> Date: Thu, 29 Mar 2018 17:12:47 +0300
>>
>>> diff --git a/include/uapi/linux/cn_proc.h b/include/uapi/linux/cn_proc.h
>>> index 68ff25414700..db210625cee8 100644
>>> --- a/include/uapi/linux/cn_proc.h
>>> +++ b/include/uapi/linux/cn_proc.h
>>> @@ -116,12 +116,16 @@ struct proc_event {
>>> struct coredump_proc_event {
>>> __kernel_pid_t process_pid;
>>> __kernel_pid_t process_tgid;
>>> + __kernel_pid_t parent_pid;
>>> + __kernel_pid_t parent_tgid;
>>> } coredump;
>>>
>>> struct exit_proc_event {
>>> __kernel_pid_t process_pid;
>>> __kernel_pid_t process_tgid;
>>> __u32 exit_code, exit_signal;
>>> + __kernel_pid_t parent_pid;
>>> + __kernel_pid_t parent_tgid;
>>> } exit;
>>>
>>> } event_data;
>>
>> I don't think you can add these members without breaking UAPI.
>>
>
