failed to compile kexec from git

[WANG Chao]

On 03/13/2013 11:19 AM, Zhang Yanfei wrote:
> 于 2013年03月13日 10:52, CAI Qian 写道:
>> Looks like this is broken recently. I cloned the tree
>> at the top commit been,
>>
>> e73d481c4add17ee953c80bb4be72372d90d93d3
>> ppc/uImage: Add support for RAM Disks
>>
>> Then, error out.
>>
>> kexec/arch/i386/x86-linux-setup.c: In function ‘setup_linux_system_parameters’:
>> kexec/arch/i386/x86-linux-setup.c:511:9: error: ‘kexec_flags’ undeclared (first use in this function)
>> kexec/arch/i386/x86-linux-setup.c:511:9: note: each undeclared identifier is reported only once for each function it appears in
>> make: *** [kexec/arch/i386/x86-linux-setup.o] Error 1
>>
>> CAI Qian
>>
> 
> Hello CAI,
> 
> The below patch should fix the bug.
> 
> ---
> From 3511ddae28f50ec13f73c0d124c587ae5fe78048 Mon Sep 17 00:00:00 2001
> From: Zhang Yanfei <zhangyanfei at cn.fujitsu.com>
> Date: Wed, 13 Mar 2013 11:10:36 +0800
> Subject: [PATCH] kexec: i386: fix a bug due to parameter change
> 
> The kexec-tools fails to be compiled and here is the error message:
> 
> kexec/arch/i386/x86-linux-setup.c: In function ‘setup_linux_system_parameters’:
> kexec/arch/i386/x86-linux-setup.c:511:9: error: ‘kexec_flags’ undeclared (first use in this function)
> kexec/arch/i386/x86-linux-setup.c:511:9: note: each undeclared identifier is reported only once for each function it appears in
> make: *** [kexec/arch/i386/x86-linux-setup.o] Error 1
> 
> This is due to the parameter change of function setup_linux_system_parameters,
> and the bug was imported by commit 6df15d1cca55b2cd59c79aed69f004e1b2a6ba36
>     kexec x86: drop truncation warning for crash kernel
> 
> The patch fix the bug.
> 
> Reported-by: "CAI Qian" <caiqian at redhat.com>
> Signed-off-by: Zhang Yanfei <zhangyanfei at cn.fujitsu.com>
> ---
>  kexec/arch/i386/x86-linux-setup.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/kexec/arch/i386/x86-linux-setup.c b/kexec/arch/i386/x86-linux-setup.c
> index b903d43..454fad6 100644
> --- a/kexec/arch/i386/x86-linux-setup.c
> +++ b/kexec/arch/i386/x86-linux-setup.c
> @@ -508,7 +508,7 @@ void setup_linux_system_parameters(struct kexec_info *info,
>  	range = info->memory_range;
>  	ranges = info->memory_ranges;
>  	if (ranges > E820MAX) {
> -		if (!(kexec_flags & KEXEC_ON_CRASH))
> +		if (!(info->kexec_flags & KEXEC_ON_CRASH))
>  			/*
>  			 * this e820 not used for capture kernel, see
>  			 * do_bzImage_load()
> 

It works for me.

Thanks,
WANG Chao