Re: [PATCHSET 00/13] tracing/uprobes: Add support for more fetchmethods (v6)

From: Oleg Nesterov
Date: Tue Nov 05 2013 - 11:34:42 EST


On 11/05, Namhyung Kim wrote:
>
> On Mon, 4 Nov 2013 17:22:29 +0100, Oleg Nesterov wrote:
> >
> > So probably I was wrong and this all needs more thinking. Damn.
>
> :)

Don't laugh at me ;)

> > Perhaps we really need to pass @file/offset, but it is not clear what
> > we can do with bss/anon-mapping.
>
> The @file/offset should work with bss since data in bss is accessed via
> an offset in the program,

Yes, yes, but it is still not clear to me how we can identify the "right"
vma which doesn't cover the .bss address but can be used to calculate the
offset.

Oleg.

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