On Thu, Jun 28, 2012 at 05:54:30PM +0800, Yanfei Zhang wrote: > ? 2012?06?28? 03:22, Greg KH ??: > > 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 at 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 > > > > Sorry for my thoughtless, Here is the new patch. > > --- > 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..7b5266a 100644 > --- a/drivers/base/core.c > +++ b/drivers/base/core.c > @@ -30,6 +30,13 @@ > #include "base.h" > #include "power/power.h" > > +#if defined(CONFIG_KVM_INTEL) || defined(CONFIG_KVM_INTEL_MODULE) > +#include <asm/vmcsinfo.h> > +#else > +static inline int vmcs_sysfs_add(struct device *dev) { return 0; } > +static inline void vmcs_sysfs_remove(struct device *dev) { } > +#endif {sigh} No, again, you know better, don't do this. greg k-h