> -----Original Message-----
> From: Olaf Hering [mailto:[email protected]]
> Sent: Wednesday, March 13, 2013 12:50 PM
> To: KY Srinivasan
> Cc: [email protected]; [email protected];
> [email protected]; [email protected]; [email protected]
> Subject: Re: [PATCH RESEND 5/6] Drivers: hv: balloon: Implement hot-add
> functionality
>
> On Tue, Mar 12, K. Y. Srinivasan wrote:
>
> > Implement the memory hot-add functionality. With this, Linux guests can
> > fully
> > participate in the Dynamic Memory protocol implemented in the Windows
> hosts.
>
> > +++ b/drivers/hv/Kconfig
> > @@ -15,7 +15,7 @@ config HYPERV_UTILS
> >
> > config HYPERV_BALLOON
> > tristate "Microsoft Hyper-V Balloon driver"
> > - depends on HYPERV
> > + depends on HYPERV && MEMORY_HOTPLUG
> > help
> > Select this option to enable Hyper-V Balloon driver.
>
> This driver now depends on CONFIG_MEMORY_HOTPLUG, which is disabled in
> openSuSE i386 kernel. As a result, the hv_balloon driver disappears for
> 32bit kernels.
>
> Any chance that the Kconfig dependency can be moved inside the code so
> that a 32bit guest can still do balloon operations?
I can preserve the old behavior by getting rid of the config dependency and
adding in
the MEMORY_HOTPLUG dependency around the affected code. Greg, shall I just
re-send
this one patch.
Regards,
K. Y
>
>
> Olaf
>
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