[PATCH 1/1] kexec-tools: fix build on pre 4.4 kernels

[Dave Young]

Added Kairui in cc since he contributed that part
On 02/05/21 at 09:15am, Federico Pellegrin wrote:
> kexec build will fail on older kernels (pre 4.4) as the define
> VIDEO_CAPABILITY_64BIT_BASE was not present at that time.
> 
> This patch adds it, as per linux/include/uapi/linux/screen_info.h,
> if not present.
> 
> Signed-off-by: Federico Pellegrin <fede at evolware.org>
> ---
>  kexec/arch/i386/x86-linux-setup.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/kexec/arch/i386/x86-linux-setup.c b/kexec/arch/i386/x86-linux-setup.c
> index 76e1185..ab54a4a 100644
> --- a/kexec/arch/i386/x86-linux-setup.c
> +++ b/kexec/arch/i386/x86-linux-setup.c
> @@ -37,6 +37,10 @@
>  #include "x86-linux-setup.h"
>  #include "../../kexec/kexec-syscall.h"
>  
> +#ifndef VIDEO_CAPABILITY_64BIT_BASE
> +#define VIDEO_CAPABILITY_64BIT_BASE (1 << 1)	/* Frame buffer base is 64-bit */
> +#endif
> +
>  void init_linux_parameters(struct x86_linux_param_header *real_mode)
>  {
>  	/* Fill in the values that are usually provided by the kernel. */
> -- 
> 2.26.2
> 
> 
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>