On 07/21/2017 03:26 PM, Stefano Stabellini wrote:
> On Fri, 21 Jul 2017, Arnd Bergmann wrote:
>> __WARN() is an internal helper that is only available on
>> some architectures, but causes a build error e.g. on ARM64
>> in some configurations:
>>
>> drivers/xen/pvcalls-back.c: In function 'set_backend_state':
>> drivers/xen/pvcalls-back.c:1097:5: error: implicit declaration of function
>> '__WARN' [-Werror=implicit-function-declaration]
>>
>> Unfortunately, there is no equivalent of BUG() that takes no
>> arguments, but WARN_ON(1) is commonly used in other drivers
>> and works on all configurations.
>>
>> Fixes: 7160378206b2 ("xen/pvcalls: xenbus state handling")
>> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
>
Applied to for-linus-4.14
-boris
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