Re: [patch] x86, ptrace: support pebs in ds.c and disable ptraceand ds support

[stephane eranian]

Hello,

What is the user-level API of utrace?

Does this user interface come in addition to ptrace or as a replacement?
What is the impact on existing applications, such as debuggers?


On Thu, Mar 27, 2008 at 10:58 AM, Ingo Molnar <mingo@xxxxxxx> wrote:
>
>  * Metzger, Markus T <markus.t.metzger@xxxxxxxxx> wrote:
>
>  > > we could apply this if Roland Acks it - but i guess a precondition
>  > > for that is to not include more ptrace extensions and to also start
>  > > working on utrace support for it. Ptrace is something we want to
>  > > reduce usage of, not extend.
>  >
>  > The patch is not adding new features. It is merely re-establishing the
>  > state before the patch mysteriously disappeared from x86#testing.
>
>  well, Roland is the de-facto ptrace maintainer and he has NAK-ed the
>  current approach of extending ptrace, so i removed the patch. Is there
>  anything particularly wrong about doing this based on utrace? The API
>  will hit upstream in 2.6.26 or 2.6.27.
>
>         Ingo
>
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