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- From e3692cb2fcd5ba1244512a0f43b8118f65f1c375 Mon Sep 17 00:00:00 2001
- From: Felix Fietkau <nbd@nbd.name>
- Date: Sat, 8 Jul 2017 08:20:43 +0200
- Subject: debloat: dmabuf
- Signed-off-by: Felix Fietkau <nbd@nbd.name>
- ---
- drivers/base/Kconfig | 2 +-
- drivers/dma-buf/Makefile | 10 +++++++---
- drivers/dma-buf/dma-buf.c | 4 +++-
- kernel/sched/core.c | 1 +
- 4 files changed, 12 insertions(+), 5 deletions(-)
- --- a/drivers/base/Kconfig
- +++ b/drivers/base/Kconfig
- @@ -246,7 +246,7 @@ config SOC_BUS
- source "drivers/base/regmap/Kconfig"
-
- config DMA_SHARED_BUFFER
- - bool
- + tristate
- default n
- select ANON_INODES
- select IRQ_WORK
- --- a/drivers/dma-buf/Makefile
- +++ b/drivers/dma-buf/Makefile
- @@ -1,3 +1,7 @@
- -obj-y := dma-buf.o dma-fence.o dma-fence-array.o reservation.o seqno-fence.o
- -obj-$(CONFIG_SYNC_FILE) += sync_file.o
- -obj-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o
- +obj-$(CONFIG_DMA_SHARED_BUFFER) := dma-shared-buffer.o
- +
- +dma-buf-objs-y := dma-buf.o dma-fence.o dma-fence-array.o reservation.o seqno-fence.o
- +dma-buf-objs-$(CONFIG_SYNC_FILE) += sync_file.o
- +dma-buf-objs-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o
- +
- +dma-shared-buffer-objs := $(dma-buf-objs-y)
- --- a/drivers/dma-buf/dma-buf.c
- +++ b/drivers/dma-buf/dma-buf.c
- @@ -34,6 +34,7 @@
- #include <linux/poll.h>
- #include <linux/reservation.h>
- #include <linux/mm.h>
- +#include <linux/module.h>
-
- #include <uapi/linux/dma-buf.h>
-
- @@ -1205,4 +1206,5 @@ static void __exit dma_buf_deinit(void)
- {
- dma_buf_uninit_debugfs();
- }
- -__exitcall(dma_buf_deinit);
- +module_exit(dma_buf_deinit);
- +MODULE_LICENSE("GPL");
- --- a/kernel/sched/core.c
- +++ b/kernel/sched/core.c
- @@ -2164,6 +2164,7 @@ int wake_up_state(struct task_struct *p,
- {
- return try_to_wake_up(p, state, 0);
- }
- +EXPORT_SYMBOL_GPL(wake_up_state);
-
- /*
- * Perform scheduler related setup for a newly forked process p.
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