Re: [RFC] Rename _bh to _softirq

From: Ingo Molnar (mingo@elte.hu)
Date: Tue Oct 15 2002 - 16:20:29 EST


On Tue, 15 Oct 2002, David S. Miller wrote:

> _bh is not a "base handler" it stands for "bottom half".
>
> "base handler" and "bottom half" all refer to an execution context,
> and these days that means softirq.

i think i agree with you.

- we have 'top half' contexts, which are also called 'hardirqs'.

- then we have 'bottom half' contexts, which are also called 'softirqs'.

the fact that 'bottom halves' used to be an earlier concept that had a
slightly different meaning from 'softirqs' for a limited amount of time
does not remove from the meaningfulness of the naming itself. Today
'bottom halves' and 'softirqs' are the same thing.

        Ingo

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