On Mon, Feb 18, 2019 at 07:52:18PM +0000, Dave Martin wrote:
> kvm_host.h uses DECLARE_BITMAP() to declare the features member of
> struct vcpu_arch, but the corresponding #include for this is
> missing.
> 
> This patch adds a suitable #include for <linux/bitmap.h>.  Although
> the header builds without it today, this should help to avoid
> future surprises.
> 
> Signed-off-by: Dave Martin <dave.mar...@arm.com>
> Reviewed-by: Alex Bennée <alex.ben...@linaro.org>
> ---
>  arch/arm64/include/asm/kvm_host.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/include/asm/kvm_host.h 
> b/arch/arm64/include/asm/kvm_host.h
> index 7732d0b..84056a4 100644
> --- a/arch/arm64/include/asm/kvm_host.h
> +++ b/arch/arm64/include/asm/kvm_host.h
> @@ -22,6 +22,7 @@
>  #ifndef __ARM64_KVM_HOST_H__
>  #define __ARM64_KVM_HOST_H__
>  
> +#include <linux/bitmap.h>
>  #include <linux/types.h>
>  #include <linux/kvm_types.h>
>  #include <asm/cpufeature.h>

From a quick scan of the file, we're also missing:

#include <linux/jump_label.h>
#include <linux/percpu.h>
#include <linux/thread_info.h>

#include <asm/barrier.h>

... which might be worth adding at the same time.

Thanks,
Mark.
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