Commit c8c2647e authored by Shameer Kolothum's avatar Shameer Kolothum Committed by Oliver Upton
Browse files

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: default avatarShameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20250221140229.12588-5-shameerali.kolothum.thodi@huawei.com
Signed-off-by: default avatarOliver Upton <oliver.upton@linux.dev>
parent c0000e58

arch/arm64/include/asm/cputype.h

+1 −14
Original line number Diff line number Diff line
@@ -276,20 +276,7 @@ static inline bool midr_is_cpu_model_range(u32 midr, u32 model, u32 rv_min, 
	return _model == model && rv >= rv_min && rv <= rv_max;

}



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);

}



static inline bool

is_midr_in_range_list(struct midr_range const *ranges)

{

	while (ranges->model)

		if (is_midr_in_range(ranges++))

			return true;

	return false;

}

bool is_midr_in_range_list(struct midr_range const *ranges);



static inline u64 __attribute_const__ read_cpuid_mpidr(void)

{

arch/arm64/kernel/cpu_errata.c

+15 −0
Original line number Diff line number Diff line
@@ -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)

arch/arm64/kernel/image-vars.h

+1 −0
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ PROVIDE(__pi_arm64_sw_feature_override = arm64_sw_feature_override); 
PROVIDE(__pi_arm64_use_ng_mappings	= arm64_use_ng_mappings);

#ifdef CONFIG_CAVIUM_ERRATUM_27456

PROVIDE(__pi_cavium_erratum_27456_cpus	= cavium_erratum_27456_cpus);

PROVIDE(__pi_is_midr_in_range_list	= is_midr_in_range_list);

#endif

PROVIDE(__pi__ctype			= _ctype);

PROVIDE(__pi_memstart_offset_seed	= memstart_offset_seed);