linux-kernel - Re: [patch 0/6] Linux Kernel Markers

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Date:	Wed, 30 May 2007 08:16:18 -0400
From:	Mathieu Desnoyers <compudj@...stal.dyndns.org>
To:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [patch 0/6] Linux Kernel Markers

Same here : it applies at the end of 2.6.21-mm2, not 2.6.22-mm1 as said
in my message.

* Mathieu Desnoyers (mathieu.desnoyers@...ymtl.ca) wrote:
> Hi,
> 
> The Linux Kernel Markers have been reworked to now depend on the "Conditional
> Calls" as a basic infrastructure for enabling the calls to the function
> pointers (probes).
> 
> The second major change in this release is the use of a hash table to keep track
> of the enabled markers : it permits it issue the marker_arm_probe before loading
> a module containing the specified probe. The probe connexion to the marker is
> done both when the marker is armed and at module load time. It fixes an
> unexpected behavior of the previous version, which was due to the fact that
> users might have expected that the markers would be set for newly loaded
> modules. Since there is no dependency between the marker and modules, the order
> could easily be wrong.
> 
> A hash table using a hash of the marker name is used to give O(1) lookup at
> module load time.
> 
> This serie of patches depends on the conditional calls. Please add at the end of
> the 2.6.22-mm1 series:
> 
> use-extra_rwdata-in-architectures.patch
> #
> linux-kernel-markers-architecture-independent-code.patch
> linux-kernel-markers-hash-table.patch
> linux-kernel-markers-kconfig-menus.patch
> linux-kernel-markers-documentation.patch
> linux-kernel-markers-port-blktrace-to-markers.patch
> 
> Mathieu
> 
> 
> -- 
> Mathieu Desnoyers
> Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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> 

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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