Re: [PATCH 22/30] panic: Introduce the panic post-reboot notifier list

2022-05-11 Thread Heiko Carstens
On Mon, May 09, 2022 at 11:16:10AM -0300, Guilherme G. Piccoli wrote: > On 27/04/2022 19:49, Guilherme G. Piccoli wrote: > > Currently we have 3 notifier lists in the panic path, which will > > be wired in a way to allow the notifier callbacks to run in > > different moments at panic time, in a sub

Re: [PATCH 22/30] panic: Introduce the panic post-reboot notifier list

2022-05-11 Thread Guilherme G. Piccoli
On 11/05/2022 13:45, Heiko Carstens wrote: > [...] >> >> Hey S390/SPARC folks, sorry for the ping! >> >> Any reviews on this V1 would be greatly appreciated, I'm working on V2 >> and seeking feedback in the non-reviewed patches. > > Sorry, missed that this is quite s390 specific. So, yes, this loo

Re: [PATCH v4 0/12] ptrace: cleaning up ptrace_stop

2022-05-11 Thread Eric W. Biederman
"Eric W. Biederman" writes: > Oleg Nesterov writes: > >> On 05/05, Eric W. Biederman wrote: >>> >>> Eric W. Biederman (11): >>> signal: Rename send_signal send_signal_locked >>> signal: Replace __group_send_sig_info with send_signal_locked >>> ptrace/um: Replace PT_DTRACE with

Re: [PATCH 23/30] printk: kmsg_dump: Introduce helper to inform number of dumpers

2022-05-11 Thread Guilherme G. Piccoli
On 10/05/2022 14:40, Steven Rostedt wrote: > On Wed, 27 Apr 2022 19:49:17 -0300 > "Guilherme G. Piccoli" wrote: > >> Currently we don't have a way to check if there are dumpers set, >> except counting the list members maybe. This patch introduces a very >> simple helper to provide this informatio

Re: [PATCH 10/30] alpha: Clean-up the panic notifier code

2022-05-11 Thread Guilherme G. Piccoli
On 10/05/2022 11:16, Petr Mladek wrote: > [...] > Yeah, it is pretty strange behavior. > > I looked into the history. This notifier was added into the alpha code > in 2.4.0-test2pre2. In this historic code, the default panic() code > either rebooted after a timeout or ended in a infinite loop. The

Re: [PATCH 11/30] um: Improve panic notifiers consistency and ordering

2022-05-11 Thread Guilherme G. Piccoli
On 10/05/2022 11:28, Petr Mladek wrote: > [...] > It is not clear to me why user mode linux should not care about > the other notifiers. It might be because I do not know much > about the user mode linux. > > Is the because they always create core dump or are never running > in a hypervisor or ...