On 2020/4/3 12:58, Michael Ellerman wrote:
> YueHaibing <yuehaibing@huawei.com> writes:
>> gcc build fails:
> 
> What config? Custom?

A randconfig, CONFIG_PPC_PSERIES  is not set,  see attach.

> 
>> arch/powerpc/mm/ptdump/hashpagetable.c: In function ‘pseries_find’:
>> arch/powerpc/mm/ptdump/hashpagetable.c:262:18: error: ‘H_SUCCESS’ undeclared (first use in this function); did you mean ‘FL_ACCESS’?
>>    if (lpar_rc != H_SUCCESS)
>>                   ^~~~~~~~~
>>                   FL_ACCESS
>>
>> Reported-by: Hulk Robot <hulkci@huawei.com>
>> Fixes: 65e701b2d2a8 ("powerpc/ptdump: drop non vital #ifdefs")
>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
>> ---
>>  arch/powerpc/mm/ptdump/hashpagetable.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/powerpc/mm/ptdump/hashpagetable.c b/arch/powerpc/mm/ptdump/hashpagetable.c
>> index b6ed9578382f..8ea5f9a3b658 100644
>> --- a/arch/powerpc/mm/ptdump/hashpagetable.c
>> +++ b/arch/powerpc/mm/ptdump/hashpagetable.c
>> @@ -20,6 +20,7 @@
>>  #include <asm/page.h>
>>  #include <asm/pgalloc.h>
>>  #include <asm/plpar_wrappers.h>
>> +#include <asm/vio.h>
> 
> I don't think you want vio.h, hvcall.h has the definition of H_SUCCESS.

Ok, will resend.

> 
> cheers
> 
> .
>