Re: [PATCH] add i386 idle notifier (take 3)

From: Andrew Morton
Date: Thu Dec 21 2006 - 00:12:05 EST


On Wed, 20 Dec 2006 06:05:00 -0800
Stephane Eranian <eranian@xxxxxxxxxx> wrote:

> Hello,
>
> Here is the latest version of the idle notifier for i386.
> This patch is against 2.6.20-rc1 (GIT). In this kernel, the idle
> loop code was modified such that the lowest level idle
> routines do not have loops anymore (e.g., poll_idle). As such,
> we do not need to call enter_idle() in all the interrupt handlers.
>
> This patch also duplicates the x86-64 bug fix for a race condition
> as posted by Venkatesh Pallipadi from Intel.
>
> changelog:
> - add idle notification mechanism to i386
>

None of the above text is actually usable as a changelog entry. We are
left wondering:

- why is this patch needed?

- what does it do?

- how does it do it?

The three questions which all changelogs should answer ;)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/