linux-kernel - [PATCH 4/9] drm/i915/gvt: Constify intel_gvt_sched_policy

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Message-Id: <20211204105527.15741-5-rikard.falkeborn@gmail.com>
Date:   Sat,  4 Dec 2021 11:55:22 +0100
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Zhenyu Wang <zhenyuw@...ux.intel.com>,
        Zhi Wang <zhi.a.wang@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 4/9] drm/i915/gvt: Constify intel_gvt_sched_policy_ops

These are never modified, so make them const to allow the compiler to
put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/gpu/drm/i915/gvt/sched_policy.c | 2 +-
 drivers/gpu/drm/i915/gvt/scheduler.h    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c b/drivers/gpu/drm/i915/gvt/sched_policy.c
index 036b74fe9298..c077fb4674f0 100644
--- a/drivers/gpu/drm/i915/gvt/sched_policy.c
+++ b/drivers/gpu/drm/i915/gvt/sched_policy.c
@@ -368,7 +368,7 @@ static void tbs_sched_stop_schedule(struct intel_vgpu *vgpu)
 	vgpu_data->active = false;
 }
 
-static struct intel_gvt_sched_policy_ops tbs_schedule_ops = {
+static const struct intel_gvt_sched_policy_ops tbs_schedule_ops = {
 	.init = tbs_sched_init,
 	.clean = tbs_sched_clean,
 	.init_vgpu = tbs_sched_init_vgpu,
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h
index 7c86984a842f..1f391b3da2cc 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.h
+++ b/drivers/gpu/drm/i915/gvt/scheduler.h
@@ -56,7 +56,7 @@ struct intel_gvt_workload_scheduler {
 	wait_queue_head_t waitq[I915_NUM_ENGINES];
 
 	void *sched_data;
-	struct intel_gvt_sched_policy_ops *sched_ops;
+	const struct intel_gvt_sched_policy_ops *sched_ops;
 };
 
 #define INDIRECT_CTX_ADDR_MASK 0xffffffc0
-- 
2.34.1