riscv: Constify sbi_ipi_ops

Constify the sbi_ipi_ops so that it will be placed in the .rodata
section. This will cause attempts to modify it to fail when strict
page permissions are in place.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index a404d648ef79..38f94926f2ee 100644
--- a/arch/riscv/kernel/sbi.c
+++ b/arch/riscv/kernel/sbi.c
@@ -571,7 +571,7 @@ static void sbi_send_cpumask_ipi(const struct cpumask *target)
 	sbi_send_ipi(cpumask_bits(&hartid_mask));
 }
 
-static struct riscv_ipi_ops sbi_ipi_ops = {
+static const struct riscv_ipi_ops sbi_ipi_ops = {
 	.ipi_inject = sbi_send_cpumask_ipi
 };