[RFC 2/2] rust: sync: Add atomic support

Boqun Feng boqun.feng at gmail.com
Thu Jun 13 13:25:02 PDT 2024


On Wed, Jun 12, 2024 at 03:30:25PM -0700, Boqun Feng wrote:
[...]
> diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
> index 48e7029f1054..99e6e2b2867f 100644
> --- a/arch/arm64/kernel/cpufeature.c
> +++ b/arch/arm64/kernel/cpufeature.c
> @@ -1601,6 +1601,8 @@ static bool
>  has_cpuid_feature(const struct arm64_cpu_capabilities *entry, int scope)
>  {
>  	u64 val = read_scoped_sysreg(entry, scope);
> +	if (entry->capability == ARM64_HAS_LSE_ATOMICS)
> +		return false;
>  	return feature_matches(val, entry);
>  }
>  

Yeah, this part was mis-committed, will remove it in the next version.

Regards,
Boqun

[...]



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