diff options
Diffstat (limited to 'debian/patches/debian/android-enable-building-ashmem-and-binder-as-modules.patch')
| -rw-r--r-- | debian/patches/debian/android-enable-building-ashmem-and-binder-as-modules.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/debian/patches/debian/android-enable-building-ashmem-and-binder-as-modules.patch b/debian/patches/debian/android-enable-building-ashmem-and-binder-as-modules.patch new file mode 100644 index 000000000..8a565c6c0 --- /dev/null +++ b/debian/patches/debian/android-enable-building-ashmem-and-binder-as-modules.patch @@ -0,0 +1,62 @@ +From: Ben Hutchings <ben@decadent.org.uk> +Date: Fri, 22 Jun 2018 17:27:00 +0100 +Subject: android: Enable building ashmem and binder as modules +Bug-Debian: https://bugs.debian.org/901492 + +We want to enable use of the Android ashmem and binder drivers to +support Anbox, but they should not be built-in as that would waste +resources and increase security attack surface on systems that don't +need them. + +- Add a MODULE_LICENSE declaration to ashmem +- Change the Makefiles to build each driver as an object with the + "_linux" suffix (which is what Anbox expects) +- Change config symbol types to tristate + +Update: +In upstream commit 721412ed3d titled "staging: remove ashmem" the ashmem +driver was removed entirely. Secondary commit message: +"The mainline replacement for ashmem is memfd, so remove the legacy +code from drivers/staging/" +Consequently, the ashmem part of this patch has been removed. +--- + drivers/android/Kconfig | 2 +- + drivers/android/Makefile | 7 ++++--- + drivers/android/binder_alloc.c | 2 +- + 3 files changed, 6 insertions(+), 5 deletions(-) + +--- a/drivers/android/Kconfig ++++ b/drivers/android/Kconfig +@@ -2,7 +2,7 @@ + menu "Android" + + config ANDROID_BINDER_IPC +- bool "Android Binder IPC Driver" ++ tristate "Android Binder IPC Driver" + depends on MMU + default n + help +--- a/drivers/android/Makefile ++++ b/drivers/android/Makefile +@@ -1,6 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0-only + ccflags-y += -I$(src) # needed for trace events + +-obj-$(CONFIG_ANDROID_BINDERFS) += binderfs.o +-obj-$(CONFIG_ANDROID_BINDER_IPC) += binder.o binder_alloc.o +-obj-$(CONFIG_ANDROID_BINDER_IPC_SELFTEST) += binder_alloc_selftest.o ++obj-$(CONFIG_ANDROID_BINDER_IPC) += binder_linux.o ++binder_linux-y := binder.o binder_alloc.o ++binder_linux-$(CONFIG_ANDROID_BINDERFS) += binderfs.o ++binder_linux-$(CONFIG_ANDROID_BINDER_IPC_SELFTEST) += binder_alloc_selftest.o +--- a/drivers/android/binder_alloc.c ++++ b/drivers/android/binder_alloc.c +@@ -38,7 +38,7 @@ enum { + }; + static uint32_t binder_alloc_debug_mask = BINDER_DEBUG_USER_ERROR; + +-module_param_named(debug_mask, binder_alloc_debug_mask, ++module_param_named(alloc_debug_mask, binder_alloc_debug_mask, + uint, 0644); + + #define binder_alloc_debug(mask, x...) \ |