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DateFri, 17 Apr 2009 13:34:26 +0800
FromLi Zefan <>
SubjectRe: [PATCH v2] tracing/filters: add filter_mutex to protect filter predicates
Tom Zanussi wrote:
> This patch adds a filter_mutex to prevent the filter predicates from
> being accessed concurrently by various external functions.
>
> It's based on a previous patch by Li Zefan:
> "[PATCH 7/7] tracing/filters: make filter preds RCU safe"
>
> v2 changes:
>
> - fixed wrong value returned in a add_subsystem_pred() failure case
> noticed by Li Zefan.
>
> Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
>

Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Tested-by: Li Zefan <lizf@cn.fujitsu.com>




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