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From: Olaf Hering <olaf@aepfle.de>
To: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	devel@linuxdriverproject.org, apw@canonical.com,
	jasowang@redhat.com
Subject: Re: [PATCH RESEND 5/6] Drivers: hv: balloon: Implement hot-add functionality
Date: Wed, 13 Mar 2013 17:50:16 +0100	[thread overview]
Message-ID: <20130313165015.GC23945@aepfle.de> (raw)
In-Reply-To: <1363111342-30242-5-git-send-email-kys@microsoft.com>

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?


Olaf

  reply	other threads:[~2013-03-13 16:50 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-12 18:01 [PATCH RESEND 0/6] Drivers: hv K. Y. Srinivasan
2013-03-12 18:02 ` [PATCH RESEND 1/6] Drivers: hv: balloon: Do not request completion notification K. Y. Srinivasan
2013-03-12 18:02   ` [PATCH RESEND 2/6] Drivers: hv: balloon: Execute balloon inflation in a separate context K. Y. Srinivasan
2013-03-12 18:02   ` [PATCH RESEND 3/6] Drivers: hv: balloon: Execute hot-add code " K. Y. Srinivasan
2013-03-12 18:02   ` [PATCH RESEND 4/6] Drivers: hv: balloon: Make the balloon driver not unloadable K. Y. Srinivasan
2013-03-12 18:02   ` [PATCH RESEND 5/6] Drivers: hv: balloon: Implement hot-add functionality K. Y. Srinivasan
2013-03-13 16:50     ` Olaf Hering [this message]
2013-03-13 17:25       ` KY Srinivasan
2013-03-12 18:02   ` [PATCH RESEND 6/6] Drivers: hv: vmbus: Handle channel rescind message correctly K. Y. Srinivasan

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