[dpdk-dev] [PATCH v1] eal/arm64: fix aarch64 reg platform value

[Ruifeng Wang]

> -----Original Message-----
> From: Juraj Linkeš <juraj.linkes at pantheon.tech>
> Sent: Thursday, April 22, 2021 5:12 PM
> To: thomas at monjalon.net; david.marchand at redhat.com; Honnappa
> Nagarahalli <Honnappa.Nagarahalli at arm.com>; Ruifeng Wang
> <Ruifeng.Wang at arm.com>; jerinj at marvell.com
> Cc: dev at dpdk.org; Juraj Linkeš <juraj.linkes at pantheon.tech>;
> stable at dpdk.org
> Subject: [PATCH v1] eal/arm64: fix aarch64 reg platform value
> 
> REG_PLATFORM only uses bit 0 to indicate whether the value retrieved from
> hardware matches PLATFORM_STR.
> 
> Signed-off-by: Juraj Linkeš <juraj.linkes at pantheon.tech>
> Fixes: 97523f822ba9 ("eal/arm: add CPU flags for ARMv8")
> Cc: jerinj at marvell.com
> Cc: stable at dpdk.org
> ---
>  lib/eal/arm/rte_cpuflags.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/eal/arm/rte_cpuflags.c b/lib/eal/arm/rte_cpuflags.c index
> e3a53bcece..e709a2800e 100644
> --- a/lib/eal/arm/rte_cpuflags.c
> +++ b/lib/eal/arm/rte_cpuflags.c
> @@ -108,7 +108,7 @@ const struct feature_entry rte_cpu_feature_table[] =
> {
>  	FEAT_DEF(SVEF32MM,	REG_HWCAP2,   10)
>  	FEAT_DEF(SVEF64MM,	REG_HWCAP2,   11)
>  	FEAT_DEF(SVEBF16,	REG_HWCAP2,   12)
> -	FEAT_DEF(AARCH64,	REG_PLATFORM, 1)
> +	FEAT_DEF(AARCH64,	REG_PLATFORM, 0)
>  };
>  #endif /* RTE_ARCH */
> 
> --
> 2.20.1

Reviewed-by: Ruifeng Wang <ruifeng.wang at arm.com>