From c263294d2814812292e46fbfc04c082ebbfc1812 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 19 Jan 2016 21:09:11 +0000 Subject: kernel: modularize dma shared buffer code to eliminate kernel bloat Signed-off-by: Felix Fietkau git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48371 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../generic/patches-3.18/904-debloat_dma_buf.patch | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 target/linux/generic/patches-3.18/904-debloat_dma_buf.patch (limited to 'target/linux/generic/patches-3.18/904-debloat_dma_buf.patch') diff --git a/target/linux/generic/patches-3.18/904-debloat_dma_buf.patch b/target/linux/generic/patches-3.18/904-debloat_dma_buf.patch new file mode 100644 index 0000000000..dc6a3b93dc --- /dev/null +++ b/target/linux/generic/patches-3.18/904-debloat_dma_buf.patch @@ -0,0 +1,35 @@ +--- a/drivers/base/Kconfig ++++ b/drivers/base/Kconfig +@@ -229,7 +229,7 @@ config SOC_BUS + source "drivers/base/regmap/Kconfig" + + config DMA_SHARED_BUFFER +- bool ++ tristate + default n + select ANON_INODES + help +--- a/drivers/dma-buf/Makefile ++++ b/drivers/dma-buf/Makefile +@@ -1 +1,2 @@ +-obj-y := dma-buf.o fence.o reservation.o seqno-fence.o ++obj-$(CONFIG_DMA_SHARED_BUFFER) := dma-shared-buffer.o ++dma-shared-buffer-objs := dma-buf.o fence.o reservation.o seqno-fence.o +--- a/drivers/dma-buf/dma-buf.c ++++ b/drivers/dma-buf/dma-buf.c +@@ -904,4 +904,4 @@ static void __exit dma_buf_deinit(void) + { + dma_buf_uninit_debugfs(); + } +-__exitcall(dma_buf_deinit); ++module_exit(dma_buf_deinit); +--- a/kernel/sched/core.c ++++ b/kernel/sched/core.c +@@ -1801,6 +1801,7 @@ int wake_up_state(struct task_struct *p, + { + return try_to_wake_up(p, state, 0); + } ++EXPORT_SYMBOL_GPL(wake_up_state); + + /* + * This function clears the sched_dl_entity static params. -- cgit v1.2.3