an appraisal

2010-01-21 Thread Forsythe, Tory
Dear Utrace-devel Your site should be at the top of the major search engines. Want a free site analysis? If interested, just reply to this email and we can give you a free appraisal with no strings. Sincerely Tory Forsythe Turbo-Media utrace-devel@redhat.com 1/22/2010

Re: s390 user_enable_single_step() (Was: odd utrace testing results on s390x)

2010-01-21 Thread Oleg Nesterov
On 01/07, Roland McGrath wrote: I am confused as well. Yes, I thought about regs-psw.mask change too, but I don't understand why it helps.. [...] But. Acoording to the testing I did (unless I did something wrong again) this patch doesn't make any difference in this particular case.

Re: linux-next: add utrace tree

2010-01-21 Thread Frank Ch. Eigler
Hi - On Thu, Jan 21, 2010 at 04:31:45PM -0800, Andrew Morton wrote: [...] Someone please sell this to us. Here's what Oleg said last time I asked this: [...] I wonder if Roland/Oleg are being too modest in their current role as ptrace maintainers. Considering that *they* think of utrace as

Re: linux-next: add utrace tree

2010-01-21 Thread Frank Ch. Eigler
Hi - On Thu, Jan 21, 2010 at 05:05:41PM -0800, Andrew Morton wrote: [...] ptrace is a nasty, complex part of the kernel which has a long history of problems, but it's all been pretty quiet in there for the the past few years. This leads one to expect that a rip-out-n-rewrite is a high-risk

Re: linux-next: add utrace tree

2010-01-21 Thread Linus Torvalds
On Thu, 21 Jan 2010, Andrew Morton wrote: ptrace is a nasty, complex part of the kernel which has a long history of problems, but it's all been pretty quiet in there for the the past few years. More importantly, we're not ever going to get rid of it. Quite frankly, judging my all past

Re: linux-next: add utrace tree

2010-01-21 Thread Linus Torvalds
On Thu, 21 Jan 2010, Frank Ch. Eigler wrote: To the extent the discussion is colored by the new features enabled from this refactoring, well, there is Oleg's list which may or may not have mentioned enabling systemtap's user-space probing. Let's face it, system tap isn't going to be

Re: linux-next: add utrace tree

2010-01-21 Thread Frank Ch. Eigler
Hi - On Thu, Jan 21, 2010 at 05:32:47PM -0800, Linus Torvalds wrote: [...] To the extent the discussion is colored by the new features enabled from this refactoring, well, there is Oleg's list which may or may not have mentioned enabling systemtap's user-space probing. Let's face it,

Re: linux-next: add utrace tree

2010-01-21 Thread Linus Torvalds
On Thu, 21 Jan 2010, Frank Ch. Eigler wrote: Less passionate analysis would identify a long history of contribution by the the greater affiliated team, including via merged code and by and passing on requirements and experiences. The reason I'm so passionate is that I dislike the turn the

Re: linux-next: add utrace tree

2010-01-21 Thread Ananth N Mavinakayanahalli
On Thu, Jan 21, 2010 at 05:28:42PM -0800, Linus Torvalds wrote: On Thu, 21 Jan 2010, Andrew Morton wrote: ptrace is a nasty, complex part of the kernel which has a long history of problems, but it's all been pretty quiet in there for the the past few years. More importantly, we're

Fw: Re: linux-next: add utrace tree

2010-01-21 Thread Srikar Dronamraju
Hi Roland, Oleg, Would it be a good idea to probably start looking at user space api for utrace? By doing that we would get usecases that maintainers in LKML are looking for and start looking at its usefulness. Currently its probably a egg and chicken case where they look at what end customers

Re: [RFC] [PATCH 0/7] UBP, XOL and Uprobes [ Summary of Comments and actions to be taken ]

2010-01-21 Thread Srikar Dronamraju
Here is a summary of the Comments and actions that need to be taken for the current uprobes patchset. Please let me know if I missed or misunderstood any of your comments. 1. Uprobes depends on trap signal. Uprobes depends on trap signal rather than hooking to the global die notifier.

Re: [RFC] [PATCH 0/7] UBP, XOL and Uprobes [ Summary of Comments and actions to be taken ]

2010-01-21 Thread Ananth N Mavinakayanahalli
On Fri, Jan 22, 2010 at 12:32:32PM +0530, Srikar Dronamraju wrote: Here is a summary of the Comments and actions that need to be taken for the current uprobes patchset. Please let me know if I missed or misunderstood any of your comments. 1. Uprobes depends on trap signal. Uprobes