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-rw-r--r--arch/arm64/kernel/fpsimd.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 84c68b14f1b2..58c53bc96928 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -159,25 +159,6 @@ static void sve_free(struct task_struct *task)
__sve_free(task);
}
-static void change_cpacr(u64 val, u64 mask)
-{
- u64 cpacr = read_sysreg(CPACR_EL1);
- u64 new = (cpacr & ~mask) | val;
-
- if (new != cpacr)
- write_sysreg(new, CPACR_EL1);
-}
-
-static void sve_user_disable(void)
-{
- change_cpacr(0, CPACR_EL1_ZEN_EL0EN);
-}
-
-static void sve_user_enable(void)
-{
- change_cpacr(CPACR_EL1_ZEN_EL0EN, CPACR_EL1_ZEN_EL0EN);
-}
-
/*
* TIF_SVE controls whether a task can use SVE without trapping while
* in userspace, and also the way a task's FPSIMD/SVE state is stored