diff options
Diffstat (limited to 'arch/arm64/kernel/cpufeature.c')
| -rw-r--r-- | arch/arm64/kernel/cpufeature.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 96b15d7b10a86..536d572e55967 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -838,19 +838,6 @@ static bool has_no_hw_prefetch(const struct arm64_cpu_capabilities *entry, int _ MIDR_CPU_VAR_REV(1, MIDR_REVISION_MASK)); } -static bool hyp_offset_low(const struct arm64_cpu_capabilities *entry, - int __unused) -{ - phys_addr_t idmap_addr = __pa_symbol(__hyp_idmap_text_start); - - /* - * Activate the lower HYP offset only if: - * - the idmap doesn't clash with it, - * - the kernel is not running at EL2. - */ - return idmap_addr > GENMASK(VA_BITS - 2, 0) && !is_kernel_in_hyp_mode(); -} - static bool has_no_fpsimd(const struct arm64_cpu_capabilities *entry, int __unused) { u64 pfr0 = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1); @@ -1121,12 +1108,6 @@ static const struct arm64_cpu_capabilities arm64_features[] = { .field_pos = ID_AA64PFR0_EL0_SHIFT, .min_field_value = ID_AA64PFR0_EL0_32BIT_64BIT, }, - { - .desc = "Reduced HYP mapping offset", - .capability = ARM64_HYP_OFFSET_LOW, - .type = ARM64_CPUCAP_SYSTEM_FEATURE, - .matches = hyp_offset_low, - }, #ifdef CONFIG_UNMAP_KERNEL_AT_EL0 { .desc = "Kernel page table isolation (KPTI)", |