linux-kernel - [PATCH 8/9] drm/i915/gvt: Constify gtt_type_table

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Message-Id: <20211204105527.15741-9-rikard.falkeborn@gmail.com>
Date:   Sat,  4 Dec 2021 11:55:26 +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 8/9] drm/i915/gvt: Constify gtt_type_table_entry

It is never modified, so make it const to allow the compiler to put it
in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/gpu/drm/i915/gvt/gtt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index c8cd6bf28ea8..614156856f16 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -185,7 +185,7 @@ struct gtt_type_table_entry {
 		.pse_entry_type = pse_type, \
 	}
 
-static struct gtt_type_table_entry gtt_type_table[] = {
+static const struct gtt_type_table_entry gtt_type_table[] = {
 	GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_ROOT_L4_ENTRY,
 			GTT_TYPE_PPGTT_ROOT_L4_ENTRY,
 			GTT_TYPE_INVALID,
-- 
2.34.1