Re: [PATCH v3 4/5] Sysfs: Export VMCSINFO via sysfs

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, Jun 27, 2012 at 04:54:54PM +0800, Yanfei Zhang wrote:
> This patch export offsets of fields via /sys/devices/cpu/vmcs/.
> Individual offsets are contained in subfiles named by the filed's
> encoding, e.g.: /sys/devices/cpu/vmcs/0800
> 
> Signed-off-by: zhangyanfei <zhangyanfei@cn.fujitsu.com>
> ---
>  drivers/base/core.c |   13 +++++++++++++
>  1 files changed, 13 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index 346be8b..dd05ee7 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -26,6 +26,7 @@
>  #include <linux/async.h>
>  #include <linux/pm_runtime.h>
>  #include <linux/netdevice.h>
> +#include <asm/vmcsinfo.h>

Did you just break the build on all other arches?  Not nice.

> @@ -1038,6 +1039,11 @@ int device_add(struct device *dev)
>  	error = dpm_sysfs_add(dev);
>  	if (error)
>  		goto DPMError;
> +#if defined(CONFIG_KVM_INTEL) || defined(CONFIG_KVM_INTEL_MODULE)
> +	error = vmcs_sysfs_add(dev);
> +	if (error)
> +		goto VMCSError;
> +#endif

Oh my no, that's no way to ever do this, you know better than that,
please fix.

greg k-h