• C
    kvm: provide kvm.h for all architecture: fixes headers_install · dd135ebb
    Christian Borntraeger 提交于
    Currently include/linux/kvm.h is not considered by make headers_install,
    because Kbuild cannot handle " unifdef-$(CONFIG_FOO) += foo.h.  This problem
    was introduced by
    
    commit fb56dbb3
    Author: Avi Kivity <avi@qumranet.com>
    Date:   Sun Dec 2 10:50:06 2007 +0200
    
        KVM: Export include/linux/kvm.h only if $ARCH actually supports KVM
    
        Currently, make headers_check barfs due to <asm/kvm.h>, which <linux/kvm.h>
        includes, not existing.  Rather than add a zillion <asm/kvm.h>s, export kvm.
        only if the arch actually supports it.
    Signed-off-by: NAvi Kivity <avi@qumranet.com>
    
    which makes this an 2.6.25 regression.
    
    One way of solving the issue is to enhance Kbuild, but Avi and David conviced
    me, that changing headers_install is not the way to go.  This patch changes
    the definition for linux/kvm.h to unifdef-y.
    
    If  unifdef-y is used for linux/kvm.h "make headers_check" will fail on all
    architectures without asm/kvm.h.  Therefore, this patch also provides
    asm/kvm.h on all architectures.
    Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
    Acked-by: NAvi Kivity <avi@qumranet.com>
    Cc: Sam Ravnborg <sam@ravnborg.org
    Cc: David Woodhouse <dwmw2@infradead.org>
    Cc: <linux-arch@vger.kernel.org>
    Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
    dd135ebb
kvm.h 89 字节