From: Nick Desaulniers <nick.desaulniers@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Nick Desaulniers <nick.desaulniers@gmail.com>,
Zhenyu Wang <zhenyuw@linux.intel.com>,
Zhi Wang <zhi.a.wang@intel.com>,
Daniel Vetter <daniel.vetter@intel.com>,
Jani Nikula <jani.nikula@linux.intel.com>,
David Airlie <airlied@linux.ie>,
intel-gvt-dev@lists.freedesktop.org,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] drm/i915/gvt: remove redundant -Wall
Date: Sun, 21 May 2017 00:15:27 -0700 [thread overview]
Message-ID: <20170521071527.17799-1-nick.desaulniers@gmail.com> (raw)
This flag is already set in the top level Makefile of the kernel.
Also, by having set CONFIG_DRM_I915_GVT, thereby appending -Wall to
ccflags, you undo all the -Wno-* cflags previously set in the Make
variable KBUILD_CFLAGS.
For example:
cc foo.c -Wall -Wno-format -Wall
resets -Wformat.
Signed-off-by: Nick Desaulniers <nick.desaulniers@gmail.com>
---
I verified that -Wall was redundant by compiling with V=1:
make V=1 -j4 drivers/gpu/drm/i915/i915_gem_request.o
drivers/gpu/drm/i915/gvt/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gvt/Makefile b/drivers/gpu/drm/i915/gvt/Makefile
index b123c20e2097..f5486cb94818 100644
--- a/drivers/gpu/drm/i915/gvt/Makefile
+++ b/drivers/gpu/drm/i915/gvt/Makefile
@@ -3,6 +3,6 @@ GVT_SOURCE := gvt.o aperture_gm.o handlers.o vgpu.o trace_points.o firmware.o \
interrupt.o gtt.o cfg_space.o opregion.o mmio.o display.o edid.o \
execlist.o scheduler.o sched_policy.o render.o cmd_parser.o
-ccflags-y += -I$(src) -I$(src)/$(GVT_DIR) -Wall
+ccflags-y += -I$(src) -I$(src)/$(GVT_DIR)
i915-y += $(addprefix $(GVT_DIR)/, $(GVT_SOURCE))
obj-$(CONFIG_DRM_I915_GVT_KVMGT) += $(GVT_DIR)/kvmgt.o
--
2.11.0
next reply other threads:[~2017-05-21 7:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-21 7:15 Nick Desaulniers [this message]
2017-05-29 20:01 ` [PATCH] drm/i915/gvt: remove redundant -Wall Nick Desaulniers
2017-05-31 7:59 ` Zhenyu Wang
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