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SubjectRe: [PATCH v6 02/21] arm64: Allow mismatched 32-bit EL0 support
On Tue, May 18, 2021 at 10:47:06AM +0100, Will Deacon wrote:
> +static bool has_32bit_el0(const struct arm64_cpu_capabilities *entry, int scope)
> +{
> + if (!has_cpuid_feature(entry, scope))
> + return allow_mismatched_32bit_el0;
> +
> + if (scope == SCOPE_SYSTEM)
> + pr_info("detected: 32-bit EL0 Support\n");
> +
> + return true;
> +}

We may have discussed this before: AFAICT this will print 32-bit EL0
detected even if there's no 32-bit EL0 on any CPU. Should we instead
print 32-bit EL0 detected on CPU X when allow_mismatched_32bit_el0 is
passed? It would also give us an indication of the system configuration
when people start reporting bugs.

--
Catalin

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