linux-kernel - [PATCH] Make DMABUF a menuconfig to ease disabling it all

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:   Mon, 17 Apr 2017 12:22:21 +0200
From:   Vincent Legoll <vincent.legoll@...il.com>
To:     linux-kernel@...r.kernel.org, sumit.semwal@...aro.org,
        daniel.vetter@...el.com, jani.nikula@...ux.intel.com,
        seanpaul@...omium.org, airlied@...ux.ie, robdclark@...il.com,
        linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org
Cc:     Vincent Legoll <vincent.legoll@...il.com>
Subject: [PATCH] Make DMABUF a menuconfig to ease disabling it all

No need to get into the submenu to disable all DMABUF-related config entries

Make the selecters also select the new DMABUF menuconfig

Signed-off-by: Vincent Legoll <vincent.legoll@...il.com>
---
 drivers/dma-buf/Kconfig     | 7 ++++---
 drivers/gpu/drm/Kconfig     | 1 +
 drivers/gpu/drm/msm/Kconfig | 1 +
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
index ed3b785..ad5075f 100644
--- a/drivers/dma-buf/Kconfig
+++ b/drivers/dma-buf/Kconfig
@@ -1,8 +1,10 @@
-menu "DMABUF options"
+menuconfig DMABUF
+	bool "DMABUF options"
 
 config SYNC_FILE
 	bool "Explicit Synchronization Framework"
 	default n
+	depends on DMABUF
 	select ANON_INODES
 	select DMA_SHARED_BUFFER
 	---help---
@@ -20,6 +22,7 @@ config SYNC_FILE
 config SW_SYNC
 	bool "Sync File Validation Framework"
 	default n
+	depends on DMABUF
 	depends on SYNC_FILE
 	depends on DEBUG_FS
 	---help---
@@ -29,5 +32,3 @@ config SW_SYNC
 
 	  WARNING: improper use of this can result in deadlocking kernel
 	  drivers from userspace. Intended for test and debug only.
-
-endmenu
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 88e01e08e..c9c21c8 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -12,6 +12,7 @@ menuconfig DRM
 	select I2C
 	select I2C_ALGOBIT
 	select DMA_SHARED_BUFFER
+	select DMABUF
 	select SYNC_FILE
 	help
 	  Kernel-level support for the Direct Rendering Infrastructure (DRI)
diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
index 5b8e23d..fdc621b 100644
--- a/drivers/gpu/drm/msm/Kconfig
+++ b/drivers/gpu/drm/msm/Kconfig
@@ -12,6 +12,7 @@ config DRM_MSM
 	select TMPFS
 	select QCOM_SCM
 	select SND_SOC_HDMI_CODEC if SND_SOC
+	select DMABUF
 	select SYNC_FILE
 	default y
 	help
-- 
2.9.3