Re: [PATCH v2] context_tracking: Add comments on interface and internals
From: Frederic Weisbecker
Date: Mon Jan 07 2013 - 16:34:15 EST
2012/12/16 Ingo Molnar <mingo@xxxxxxxxxx>:
> * Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
>> + * context_tracking_task_switch - context switch the syscall hooks
>> + *
>> + * The context tracking uses the syscall slow path to implement its user-kernel
>> + * boundaries hooks on syscalls. This way it doesn't impact the syscall fast
>> + * path on CPUs that don't do context tracking.
>> + *
>> + * But we need to clear the flag on the previous task because it may later
>> + * migrate to some CPU that doesn't do the context tracking. As such the TIF
>> + * flag may not be desired there.
> If possible: s/hooks/callbacks
> 'hook' gives me the visual of a box match. YMMV.
Ok, I'm fixing this.
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