Re: [PATCH v2] eal/linux: eal/linux: verify mmu type for DPDK support (ppc64le)

[David Christensen <drc@linux.vnet.ibm.com>]

On 10/23/23 4:19 PM, David Christensen wrote:

> diff --git a/lib/eal/common/eal_private.h b/lib/eal/common/eal_private.h
> index ebd496b537cf..7d84adb5b328 100644
> --- a/lib/eal/common/eal_private.h
> +++ b/lib/eal/common/eal_private.h
> @@ -354,6 +354,13 @@ unsigned eal_cpu_core_id(unsigned lcore_id);
>    */
>   int eal_cpu_detected(unsigned lcore_id);
> 
> +/**
> + * Check for architecture supported MMU.
> + *
> + * This function is private to the EAL.
> + */
> +bool eal_mmu_supported_arch(void);
> +
...
> diff --git a/lib/eal/ppc/rte_mmu.c b/lib/eal/ppc/rte_mmu.c
> new file mode 100644
> index 000000000000..017a8768bce3
> --- /dev/null
> +++ b/lib/eal/ppc/rte_mmu.c
> @@ -0,0 +1,53 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright (C) IBM Corporation 2023
> + */
> +
> +#include "rte_log.h"
> +#include "eal_private.h"
> +
> +bool
> +eal_mmu_supported_arch(void)
> +{
> +	static const char proc_cpuinfo[] = "/proc/cpuinfo";

Belatedly recognized that I'd implemented an OS specific detection 
mechanism for a function in the "common" library.  I'll resubmit a v3 
under the "linux" subtree shortly.

Dave