> -----Original Message-----
> From: Juraj Linkeš <juraj.lin...@pantheon.tech>
> Sent: Tuesday, August 17, 2021 6:57 PM
> To: tho...@monjalon.net; david.march...@redhat.com;
> bruce.richard...@intel.com; Honnappa Nagarahalli
> <honnappa.nagaraha...@arm.com>; Ruifeng Wang
> <ruifeng.w...@arm.com>; fengcheng...@huawei.com;
> ferruh.yi...@intel.com; jerinjac...@gmail.com; jer...@marvell.com;
> pbhagavat...@marvell.com
> Cc: dev@dpdk.org; Juraj Linkeš <juraj.lin...@pantheon.tech>
> Subject: [PATCH v4 2/2] config/arm: make n2 'crypto' an optional feature
>
> Not all Neoverse-N2 cpus must support the crypto feature/extension which
> makes it an optional feature. Only enable the feature for SoCs which support
> it.
>
> Signed-off-by: Juraj Linkeš <juraj.lin...@pantheon.tech>
> ---
> v4: rebase
> ---
> config/arm/meson.build | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/config/arm/meson.build b/config/arm/meson.build index
> c11efa1583..c9bcd089df 100644
> --- a/config/arm/meson.build
> +++ b/config/arm/meson.build
> @@ -76,7 +76,7 @@ part_number_config_arm = {
> },
> '0xd49': {
> 'march': 'armv8.5-a',
> - 'march_features': ['crypto', 'sve2'],
> + 'march_features': ['sve2'],
> 'flags': [
> ['RTE_MACHINE', '"neoverse-n2"'],
> ['RTE_ARM_FEATURE_ATOMICS', true], @@ -278,6 +278,7 @@
> soc_cn10k = {
> ['RTE_MAX_NUMA_NODES', 1]
> ],
> 'part_number': '0xd49',
> + 'extra_march_features': ['crypto'],
> 'numa': false
> }
>
> --
> 2.20.1
Yes, 'crypto' is an optional extension. N2 has this extension enabled, and
there could be variants without crypto extension.
Acked-by: Ruifeng Wang <ruifeng.w...@arm.com>
