* [PATCH] riscv: Constify ctl_table variables
@ 2024-12-05 15:31 Ricardo B. Marliere
0 siblings, 0 replies; only message in thread
From: Ricardo B. Marliere @ 2024-12-05 15:31 UTC (permalink / raw)
To: Paul Walmsley, Palmer Dabbelt, Albert Ou
Cc: linux-riscv, linux-kernel, Thomas Weißschuh, Ricardo B. Marliere
Since 7abc9b53bd51 ("sysctl: allow registration of const struct
ctl_table"), it is possible to put ctl_table variables into read-only
storage. So, make tagged_addr_sysctl_table and riscv_v_default_vstate_table
const.
Cc: Thomas Weißschuh <linux@weissschuh.net>
Suggested-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Ricardo B. Marliere <rbm@suse.com>
---
arch/riscv/kernel/process.c | 2 +-
arch/riscv/kernel/vector.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 58b6482c2bf662bf5224ca50c8e21a68760a6b41..7891294abf4937de3c7e440573844253e856b39f 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -364,7 +364,7 @@ static bool try_to_set_pmm(unsigned long value)
* disable it for tasks that already opted in to the relaxed ABI.
*/
-static struct ctl_table tagged_addr_sysctl_table[] = {
+static const struct ctl_table tagged_addr_sysctl_table[] = {
{
.procname = "tagged_addr_disabled",
.mode = 0644,
diff --git a/arch/riscv/kernel/vector.c b/arch/riscv/kernel/vector.c
index 821818886fab06aa054e2ba3266897e9b4d161c0..d022b028ac3ff5375f522947d34166266ceb424a 100644
--- a/arch/riscv/kernel/vector.c
+++ b/arch/riscv/kernel/vector.c
@@ -287,7 +287,7 @@ long riscv_v_vstate_ctrl_set_current(unsigned long arg)
#ifdef CONFIG_SYSCTL
-static struct ctl_table riscv_v_default_vstate_table[] = {
+static const struct ctl_table riscv_v_default_vstate_table[] = {
{
.procname = "riscv_v_default_allow",
.data = &riscv_v_implicit_uacc,
---
base-commit: 8d4f1e05ff821a5d59116ab8c3a30fcae81d8597
change-id: 20241205-sysctl_const-riscv-ba93ddd07156
Best regards,
--
Ricardo B. Marliere <rbm@suse.com>
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