diff options
| author | Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> | 2025-02-21 14:02:27 +0000 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2025-02-26 13:30:36 -0800 |
| commit | c8c2647e69bedf803244eabc80e2e0757f9c33d6 (patch) | |
| tree | 284e455b3d170899a4c2294802ed13b0752ba1f7 /arch/arm64/kernel/cpu_errata.c | |
| parent | c0000e58c74eed0702b8271e8475378c3c17cf0f (diff) | |
arm64: Make _midr_in_range_list() an exported function
Subsequent patch will add target implementation CPU support and that
will require _midr_in_range_list() to access new data. To avoid
exporting the data make _midr_in_range_list() a normal function and
export it.
No functional changes intended.
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20250221140229.12588-5-shameerali.kolothum.thodi@huawei.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/kernel/cpu_errata.c')
| -rw-r--r-- | arch/arm64/kernel/cpu_errata.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 99b55893fc4e..1f51cf6378c5 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -14,6 +14,21 @@ #include <asm/kvm_asm.h> #include <asm/smp_plat.h> +static inline bool is_midr_in_range(struct midr_range const *range) +{ + return midr_is_cpu_model_range(read_cpuid_id(), range->model, + range->rv_min, range->rv_max); +} + +bool is_midr_in_range_list(struct midr_range const *ranges) +{ + while (ranges->model) + if (is_midr_in_range(ranges++)) + return true; + return false; +} +EXPORT_SYMBOL_GPL(is_midr_in_range_list); + static bool __maybe_unused __is_affected_midr_range(const struct arm64_cpu_capabilities *entry, u32 midr, u32 revidr) |