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SubjectRe: arch/x86/xen/suspend.c:70:9: error: implicit declaration of function 'xen_pv_domain'
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On 12/22/2015 06:49 AM, Stefano Stabellini wrote:
> On Mon, 21 Dec 2015, Andrew Morton wrote:
>> On Mon, 21 Dec 2015 00:43:17 +0800 kbuild test robot <fengguang.wu@intel.com> wrote:
>>
>>> First bad commit (maybe != root cause):
>>>
>>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>>> head: 69c37a92ddbf79d9672230f21a04580d7ac2f4c3
>>> commit: 71458cfc782eafe4b27656e078d379a34e472adf kernel: add support for gcc 5
>>> date: 1 year, 2 months ago
>>> config: x86_64-randconfig-x006-201551 (attached as .config)
>>> reproduce:
>>> git checkout 71458cfc782eafe4b27656e078d379a34e472adf
>>> # save the attached .config to linux build tree
>>> make ARCH=x86_64
>>>
>>> All errors (new ones prefixed by >>):
>>>
>>> arch/x86/xen/suspend.c: In function 'xen_arch_pre_suspend':
>>>>> arch/x86/xen/suspend.c:70:9: error: implicit declaration of function 'xen_pv_domain' [-Werror=implicit-function-declaration]
>>> if (xen_pv_domain())
>>> ^
>> hm, tricky!
>>
>> --- a/arch/x86/xen/suspend.c~arch-x86-xen-suspendc-include-xen-xenh
>> +++ a/arch/x86/xen/suspend.c
>> @@ -1,6 +1,7 @@
>> #include <linux/types.h>
>> #include <linux/tick.h>
>>
>> +#include <xen/xen.h>
>> #include <xen/interface/xen.h>
>> #include <xen/grant_table.h>
>> #include <xen/events.h>
>
> Looks like the right fix. David? Boris?

Why are we trying to compile this if CONFIG_XEN is not set?

-boris


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