Re: Dont use shortcut when using send_IPI_all in flat mode

[Andi Kleen]

On Wed, Sep 21, 2005 at 01:52:16PM -0700, Ashok Raj wrote:
> Hi
> 
> This got missed during the previous update for not doing shortcut 
> since it introduces race in IPI, when using flat mode.
> 
> The earlier patches addressed send_IPI_allbutself, this one
> take care of the sendall() case as well.
> 
> Andrew: Please consider for -mm

It's not needed because genapic always sets physflat when 
CONFIG_HOTPLUG_CPU is set.

In fact the other HOTPLUG_CPU ifdefs in genapic_flat you added
can be removed now.

-Andi
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