[PATCH v3 02/14] arm64: Allow mismatched 32-bit EL0 support
Valentin Schneider
valentin.schneider at arm.com
Thu Nov 19 06:27:41 EST 2020
On 13/11/20 09:37, Will Deacon wrote:
> +const struct cpumask *system_32bit_el0_cpumask(void)
> +{
> + if (!system_supports_32bit_el0())
> + return cpu_none_mask;
> +
> + if (static_branch_unlikely(&arm64_mismatched_32bit_el0))
> + return cpu_32bit_el0_mask;
> +
> + return cpu_present_mask;
> +}
Nit: this is used in patch 13 to implement arch_cpu_allowed_mask(). Since
that latter defaults to cpu_possible_mask, this probably should too.
More information about the linux-arm-kernel
mailing list