From d55923bf471ae20874afdcb7ae90ddcb8a923abb Mon Sep 17 00:00:00 2001 From: Jacek Lawrynowicz Date: Tue, 11 Jun 2024 14:04:24 +0200 Subject: [PATCH] accel/ivpu: Make selected params read-only Make disable_mmu_cont_pages and force_snoop params read-only. It is unsafe to change these params after driver is loaded. Signed-off-by: Jacek Lawrynowicz Reviewed-by: Wachowski, Karol Link: https://patchwork.freedesktop.org/patch/msgid/20240611120433.1012423-8-jacek.lawrynowicz@linux.intel.com --- drivers/accel/ivpu/ivpu_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index ce91eafe5746f..c59c6f113098d 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -58,11 +58,11 @@ module_param_named(sched_mode, ivpu_sched_mode, int, 0444); MODULE_PARM_DESC(sched_mode, "Scheduler mode: 0 - Default scheduler, 1 - Force HW scheduler"); bool ivpu_disable_mmu_cont_pages; -module_param_named(disable_mmu_cont_pages, ivpu_disable_mmu_cont_pages, bool, 0644); +module_param_named(disable_mmu_cont_pages, ivpu_disable_mmu_cont_pages, bool, 0444); MODULE_PARM_DESC(disable_mmu_cont_pages, "Disable MMU contiguous pages optimization"); bool ivpu_force_snoop; -module_param_named(force_snoop, ivpu_force_snoop, bool, 0644); +module_param_named(force_snoop, ivpu_force_snoop, bool, 0444); MODULE_PARM_DESC(force_snoop, "Force snooping for NPU host memory access"); struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv) -- 2.50.1