Re: [PATCH v3] xen/arm: smmuv3: mark arm_smmu_disable_pasid __maybe_unused

[Julien Grall <julien@xxxxxxx>]

Hi,

On 15/12/2022 21:26, Stewart Hildebrand wrote:
> When building with clang 12 and CONFIG_ARM_SMMU_V3=y, we observe the
> following build error:
>
> drivers/passthrough/arm/smmu-v3.c:1408:20: error: unused function 
> 'arm_smmu_disable_pasid' [-Werror,-Wunused-function]
> static inline void arm_smmu_disable_pasid(struct arm_smmu_master *master) { }
>                     ^
>
> arm_smmu_disable_pasid is not currently called from anywhere in Xen, but
> it is inside a section of code guarded by CONFIG_PCI_ATS, which may be
> helpful in the future if the PASID feature is to be implemented. Add the
> attribute __maybe_unused to the function.
>
> Signed-off-by: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
> Reviewed-by: Rahul Singh <rahul.singh@xxxxxxx>
I have committed the patch.

Cheers,

--
Julien Grall