[PATCH v1] iommu/vt-d: Move intel_iommu_gfx_mapped to Intel IOMMU header

[Lu Baolu]

Hi Andy,

On 8/29/20 12:12 AM, Andy Shevchenko wrote:
> Static analyzer is not happy about intel_iommu_gfx_mapped declaration:
> 
> .../drivers/iommu/intel/iommu.c:364:5: warning: symbol 'intel_iommu_gfx_mapped' was not declared. Should it be static?
> 
> Move its declaration to Intel IOMMU header file.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
> ---
>   include/drm/intel-gtt.h     | 5 +----
>   include/linux/intel-iommu.h | 1 +
>   2 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h
> index 71d81923e6b0..abfefaaf897a 100644
> --- a/include/drm/intel-gtt.h
> +++ b/include/drm/intel-gtt.h
> @@ -5,6 +5,7 @@
>   #define	_DRM_INTEL_GTT_H
>   
>   #include <linux/agp_backend.h>
> +#include <linux/intel-iommu.h>
>   #include <linux/kernel.h>
>   
>   void intel_gtt_get(u64 *gtt_total,
> @@ -33,8 +34,4 @@ void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);
>   /* flag for GFDT type */
>   #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
>   
> -#ifdef CONFIG_INTEL_IOMMU
> -extern int intel_iommu_gfx_mapped;
> -#endif
> -
>   #endif
> diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
> index 64fa5c56c825..fbd3bb64649b 100644
> --- a/include/linux/intel-iommu.h
> +++ b/include/linux/intel-iommu.h
> @@ -794,6 +794,7 @@ extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
>   extern int dmar_disabled;
>   extern int intel_iommu_enabled;
>   extern int intel_iommu_tboot_noforce;
> +extern int intel_iommu_gfx_mapped;
>   #else
>   static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
>   {
> 

Looks good to me.

Reviewed-by: Lu Baolu <baolu.lu at linux.intel.com>

Best regards,
baolu