Re: [dpdk-dev] [PATCH v2] vfio: fix stdbool usage without include

["Burakov, Anatoly" <anatoly.burakov@intel.com>]

On 01-Jun-21 9:28 AM, Christian Ehrhardt wrote:
> This became visible by backporting the following for the 19.11 stable tree:
>   c13ca4e8 "vfio: fix DMA mapping granularity for IOVA as VA"
> 
> The usage of type bool in the vfio code would require "#include
> <stdbool.h>", but rte_vfio.h has no direct paths to stdbool.h.
> It happens that in eal_vfio_mp_sync.c it comes after "#include
> <rte_log.h>".
> 
> And rte_log.h since 20.05 includes stdbool since this change:
>   241e67bfe "log: add API to check if a logtype can log in a given level"
> and thereby mitigates the issue.
> 
> It should be safe to include stdbool.h from rte_vfio.h itself
> to be present exactly when needed for the struct it defines using that
> type.
> 
> Fixes: c13ca4e81cac ("vfio: fix DMA mapping granularity for IOVA as VA")
> 
> Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
> ---
>   lib/eal/include/rte_vfio.h | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/lib/eal/include/rte_vfio.h b/lib/eal/include/rte_vfio.h
> index e7a87454bea..2d90b364801 100644
> --- a/lib/eal/include/rte_vfio.h
> +++ b/lib/eal/include/rte_vfio.h
> @@ -14,6 +14,7 @@
>   extern "C" {
>   #endif
>   
> +#include <stdbool.h>
>   #include <stdint.h>
>   
>   /*
> 
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>

-- 
Thanks,
Anatoly