Re: Re: [PATCH v3 0/5] ARM64: Add kernel probes(Kprobes) support

2014-12-04 Thread Steve Capper
On 4 December 2014 at 10:43, Masami Hiramatsu wrote: > (2014/12/04 19:21), Steve Capper wrote: >> On 4 December 2014 at 02:48, David Long wrote: >>> On 12/03/14 20:16, William Cohen wrote: >>> >>> [...] >>> The perf issue seems to be independent and can be reproduced without using

Re: Re: [PATCH v3 0/5] ARM64: Add kernel probes(Kprobes) support

2014-12-04 Thread Masami Hiramatsu
(2014/12/04 19:21), Steve Capper wrote: > On 4 December 2014 at 02:48, David Long wrote: >> On 12/03/14 20:16, William Cohen wrote: >> >> [...] >> >>> >>> The perf issue seems to be independent and can be reproduced without using >>> any kprobe support. I need to get a simple reproducer and menti

Re: Re: [PATCH v3 0/5] ARM64: Add kernel probes(Kprobes) support

2014-12-02 Thread Masami Hiramatsu
(2014/12/03 4:27), William Cohen wrote: > On 12/01/2014 04:37 AM, Masami Hiramatsu wrote: >> (2014/11/29 1:01), Steve Capper wrote: >>> On 27 November 2014 at 06:07, Masami Hiramatsu >>> wrote: (2014/11/27 3:59), Steve Capper wrote: > The crash is extremely easy to reproduce. > >

Re: Re: Re: [PATCH v3 0/5] ARM64: Add kernel probes(Kprobes) support

2014-12-01 Thread Masami Hiramatsu
(2014/11/29 1:01), Steve Capper wrote: > On 27 November 2014 at 06:07, Masami Hiramatsu > wrote: >> (2014/11/27 3:59), Steve Capper wrote: >>> The crash is extremely easy to reproduce. >>> >>> I've not observed any missed events on a kprobe on an arm64 system >>> that's still alive. >>> My (limite

Re: Re: [PATCH v3 0/5] ARM64: Add kernel probes(Kprobes) support

2014-11-28 Thread Steve Capper
On 27 November 2014 at 06:07, Masami Hiramatsu wrote: > (2014/11/27 3:59), Steve Capper wrote: >> The crash is extremely easy to reproduce. >> >> I've not observed any missed events on a kprobe on an arm64 system >> that's still alive. >> My (limited!) understanding is that this suggests there cou

Re: Re: [PATCH v3 0/5] ARM64: Add kernel probes(Kprobes) support

2014-11-26 Thread Masami Hiramatsu
(2014/11/27 3:59), Steve Capper wrote: > The crash is extremely easy to reproduce. > > I've not observed any missed events on a kprobe on an arm64 system > that's still alive. > My (limited!) understanding is that this suggests there could be a > problem with how missed events from a recursive cal