diff mbox

drm/i915/gvt: remove redundant -Wall

Message ID 20170521071527.17799-1-nick.desaulniers@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Nick Desaulniers May 21, 2017, 7:15 a.m. UTC
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(-)

Comments

Nick Desaulniers May 29, 2017, 8:01 p.m. UTC | #1
ping for review
Zhenyu Wang May 31, 2017, 7:59 a.m. UTC | #2
On 2017.05.21 00:15:27 -0700, Nick Desaulniers wrote:
> 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
> -- 

Pushed, thanks!
diff mbox

Patch

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