Re: [dpdk-dev] [PATCH v5] eal: arm: fix out of tree build

[Jerin Jacob <jerinjacobk@gmail.com>]

On Wed, Jun 9, 2021 at 3:48 PM Michael Pfeiffer
<michael.pfeiffer@tu-ilmenau.de> wrote:
>
> Including various headers may fail for ARM builds with 'Platform must
> be built with RTE_FORCE_INTRINSICS' if rte_config.h is not included
> before. Move the error message after the includes to ensure rte_config.h
> is always included.
>
> Fixes: de966ccdcd7f ("eal/arm: add byte order operations for ARM")
> Fixes: 17d5fa0fa90d ("eal/arm: add atomic operations for ARMv7")
> Fixes: d708f01b7102 ("eal/arm: add atomic operations for ARMv8")
> Fixes: 2173f3333b61 ("mcslock: add MCS queued lock implementation")
> Fixes: 7860c3965483 ("eal/arm: add spinlock operations for ARM")
> Fixes: ca49b92079df ("ticketlock: enable generic ticketlock on all arch")
> Cc: stable@dpdk.org
> Cc: kosar@rehivetech.com
> Cc: phil.yang@arm.com
> Cc: joyce.kong@arm.com
>
> Signed-off-by: Michael Pfeiffer <michael.pfeiffer@tu-ilmenau.de>


Acked-by: Jerin Jacob <jerinj@marvell.com>


> ---
> v5:
> * Add Fixes: tag.
>
> v4:
> * Apply to fix to rte_atomic_{32,64}.h, rte_{mcs,spin,ticket}lock.h as
>   well.
> * Remove unnecessary include of rte_config.h.
> * Adjust commit message.
>
> v3:
> * Proper in-reply-to.
>
> v2:
> * Fixed subject line.
>
>  lib/eal/arm/include/rte_atomic_32.h  | 8 ++++----
>  lib/eal/arm/include/rte_atomic_64.h  | 8 ++++----
>  lib/eal/arm/include/rte_byteorder.h  | 8 ++++----
>  lib/eal/arm/include/rte_mcslock.h    | 8 ++++----
>  lib/eal/arm/include/rte_spinlock.h   | 8 ++++----
>  lib/eal/arm/include/rte_ticketlock.h | 8 ++++----
>  6 files changed, 24 insertions(+), 24 deletions(-)
>
> diff --git a/lib/eal/arm/include/rte_atomic_32.h b/lib/eal/arm/include/rte_atomic_32.h
> index c00ab78dba..138abd3a8b 100644
> --- a/lib/eal/arm/include/rte_atomic_32.h
> +++ b/lib/eal/arm/include/rte_atomic_32.h
> @@ -5,16 +5,16 @@
>  #ifndef _RTE_ATOMIC_ARM32_H_
>  #define _RTE_ATOMIC_ARM32_H_
>
> -#ifndef RTE_FORCE_INTRINSICS
> -#  error Platform must be built with RTE_FORCE_INTRINSICS
> -#endif
> -
>  #ifdef __cplusplus
>  extern "C" {
>  #endif
>
>  #include "generic/rte_atomic.h"
>
> +#ifndef RTE_FORCE_INTRINSICS
> +#  error Platform must be built with RTE_FORCE_INTRINSICS
> +#endif
> +
>  #define        rte_mb()  __sync_synchronize()
>
>  #define        rte_wmb() do { asm volatile ("dmb st" : : : "memory"); } while (0)
> diff --git a/lib/eal/arm/include/rte_atomic_64.h b/lib/eal/arm/include/rte_atomic_64.h
> index fa6f334c0d..2907a95196 100644
> --- a/lib/eal/arm/include/rte_atomic_64.h
> +++ b/lib/eal/arm/include/rte_atomic_64.h
> @@ -6,10 +6,6 @@
>  #ifndef _RTE_ATOMIC_ARM64_H_
>  #define _RTE_ATOMIC_ARM64_H_
>
> -#ifndef RTE_FORCE_INTRINSICS
> -#  error Platform must be built with RTE_FORCE_INTRINSICS
> -#endif
> -
>  #ifdef __cplusplus
>  extern "C" {
>  #endif
> @@ -19,6 +15,10 @@ extern "C" {
>  #include <rte_compat.h>
>  #include <rte_debug.h>
>
> +#ifndef RTE_FORCE_INTRINSICS
> +#  error Platform must be built with RTE_FORCE_INTRINSICS
> +#endif
> +
>  #define rte_mb() asm volatile("dmb osh" : : : "memory")
>
>  #define rte_wmb() asm volatile("dmb oshst" : : : "memory")
> diff --git a/lib/eal/arm/include/rte_byteorder.h b/lib/eal/arm/include/rte_byteorder.h
> index df2f1d87ba..c00bebf680 100644
> --- a/lib/eal/arm/include/rte_byteorder.h
> +++ b/lib/eal/arm/include/rte_byteorder.h
> @@ -5,10 +5,6 @@
>  #ifndef _RTE_BYTEORDER_ARM_H_
>  #define _RTE_BYTEORDER_ARM_H_
>
> -#ifndef RTE_FORCE_INTRINSICS
> -#  error Platform must be built with RTE_FORCE_INTRINSICS
> -#endif
> -
>  #ifdef __cplusplus
>  extern "C" {
>  #endif
> @@ -17,6 +13,10 @@ extern "C" {
>  #include <rte_common.h>
>  #include "generic/rte_byteorder.h"
>
> +#ifndef RTE_FORCE_INTRINSICS
> +#  error Platform must be built with RTE_FORCE_INTRINSICS
> +#endif
> +
>  /* fix missing __builtin_bswap16 for gcc older then 4.8 */
>  #if !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
>
> diff --git a/lib/eal/arm/include/rte_mcslock.h b/lib/eal/arm/include/rte_mcslock.h
> index 896d678073..915a3ed647 100644
> --- a/lib/eal/arm/include/rte_mcslock.h
> +++ b/lib/eal/arm/include/rte_mcslock.h
> @@ -5,16 +5,16 @@
>  #ifndef _RTE_MCSLOCK_ARM_H_
>  #define _RTE_MCSLOCK_ARM_H_
>
> -#ifndef RTE_FORCE_INTRINSICS
> -#  error Platform must be built with RTE_FORCE_INTRINSICS
> -#endif
> -
>  #ifdef __cplusplus
>  extern "C" {
>  #endif
>
>  #include "generic/rte_mcslock.h"
>
> +#ifndef RTE_FORCE_INTRINSICS
> +#  error Platform must be built with RTE_FORCE_INTRINSICS
> +#endif
> +
>  #ifdef __cplusplus
>  }
>  #endif
> diff --git a/lib/eal/arm/include/rte_spinlock.h b/lib/eal/arm/include/rte_spinlock.h
> index a973763c23..e29ddab89a 100644
> --- a/lib/eal/arm/include/rte_spinlock.h
> +++ b/lib/eal/arm/include/rte_spinlock.h
> @@ -5,10 +5,6 @@
>  #ifndef _RTE_SPINLOCK_ARM_H_
>  #define _RTE_SPINLOCK_ARM_H_
>
> -#ifndef RTE_FORCE_INTRINSICS
> -#  error Platform must be built with RTE_FORCE_INTRINSICS
> -#endif
> -
>  #ifdef __cplusplus
>  extern "C" {
>  #endif
> @@ -16,6 +12,10 @@ extern "C" {
>  #include <rte_common.h>
>  #include "generic/rte_spinlock.h"
>
> +#ifndef RTE_FORCE_INTRINSICS
> +#  error Platform must be built with RTE_FORCE_INTRINSICS
> +#endif
> +
>  static inline int rte_tm_supported(void)
>  {
>         return 0;
> diff --git a/lib/eal/arm/include/rte_ticketlock.h b/lib/eal/arm/include/rte_ticketlock.h
> index e66beefbe2..22eb40fb66 100644
> --- a/lib/eal/arm/include/rte_ticketlock.h
> +++ b/lib/eal/arm/include/rte_ticketlock.h
> @@ -5,16 +5,16 @@
>  #ifndef _RTE_TICKETLOCK_ARM_H_
>  #define _RTE_TICKETLOCK_ARM_H_
>
> -#ifndef RTE_FORCE_INTRINSICS
> -#  error Platform must be built with RTE_FORCE_INTRINSICS
> -#endif
> -
>  #ifdef __cplusplus
>  extern "C" {
>  #endif
>
>  #include "generic/rte_ticketlock.h"
>
> +#ifndef RTE_FORCE_INTRINSICS
> +#  error Platform must be built with RTE_FORCE_INTRINSICS
> +#endif
> +
>  #ifdef __cplusplus
>  }
>  #endif
> --
> 2.32.0
>