Re: Xen on ARM: upstream kernel compile fails with defconfig

[Zoltan Kiss <zoltan.kiss@citrix.com>]

On 04/02/14 23:35, Julien Grall wrote:
> (Add Ian Campbell for sunxi bits)
>
> Hello Zoltan,
>
> On 04/02/14 21:28, Zoltan Kiss wrote:
>> However both cases the build fails quite early with the same error:
>>
>>     CC      arch/arm/kernel/asm-offsets.s
>> In file included from /local/repo/linux-net-next/include/linux/cache.h:5:0,
>>                    from /local/repo/linux-net-next/include/linux/printk.h:8,
>>                    from
>> /local/repo/linux-net-next/include/linux/kernel.h:13,
>>                    from /local/repo/linux-net-next/include/linux/sched.h:15,
>>                    from
>> /local/repo/linux-net-next/arch/arm/kernel/asm-offsets.c:13:
>> /local/repo/linux-net-next/include/linux/prefetch.h: In function
>> ‘prefetch_range’:
>> /local/repo/linux-net-next/arch/arm/include/asm/cache.h:7:25: error:
>> ‘CONFIG_ARM_L1_CACHE_SHIFT’ undeclared (first use in this function)
>>    #define L1_CACHE_SHIFT  CONFIG_ARM_L1_CACHE_SHIFT
>
> I can't get the same error with net-next + your V7. I have this following error:
>
> drivers/xen/grant-table.c: In function ‘__gnttab_unmap_refs’:
> drivers/xen/grant-table.c:1047:3: error: implicit declaration of function ‘get_phys_to_machine’ [-Werror=implicit-function-declaration]
>     mfn = get_phys_to_machine(page_to_pfn(pages[i]));
>     ^
>
> I'm using this config for Linux: http://xenbits.xen.org/people/julieng/config-midway

OK, I've fixed that, will run some tests before sending v8. I managed to 
fix the compile by checking out the mainline repo. Either net-next has 
some issue, or my checked out repo has some nasty failur (more likely :)

Thanks,

Zoli