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Diffstat (limited to 'arch/riscv/kernel/cpufeature.c')
-rw-r--r--arch/riscv/kernel/cpufeature.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index ac202f44a670..d959d207a40d 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -19,7 +19,7 @@ unsigned long elf_hwcap __read_mostly;
static DECLARE_BITMAP(riscv_isa, RISCV_ISA_EXT_MAX) __read_mostly;
#ifdef CONFIG_FPU
-bool has_fpu __read_mostly;
+__ro_after_init DEFINE_STATIC_KEY_FALSE(cpu_hwcap_fpu);
#endif
/**
@@ -59,7 +59,7 @@ bool __riscv_isa_extension_available(const unsigned long *isa_bitmap, int bit)
}
EXPORT_SYMBOL_GPL(__riscv_isa_extension_available);
-void riscv_fill_hwcap(void)
+void __init riscv_fill_hwcap(void)
{
struct device_node *node;
const char *isa;
@@ -146,6 +146,6 @@ void riscv_fill_hwcap(void)
#ifdef CONFIG_FPU
if (elf_hwcap & (COMPAT_HWCAP_ISA_F | COMPAT_HWCAP_ISA_D))
- has_fpu = true;
+ static_branch_enable(&cpu_hwcap_fpu);
#endif
}