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Diffstat (limited to 'pkgs/patches-linux-5.15/904-debloat_dma_buf.patch')
-rw-r--r--pkgs/patches-linux-5.15/904-debloat_dma_buf.patch92
1 files changed, 92 insertions, 0 deletions
diff --git a/pkgs/patches-linux-5.15/904-debloat_dma_buf.patch b/pkgs/patches-linux-5.15/904-debloat_dma_buf.patch
new file mode 100644
index 0000000..302c000
--- /dev/null
+++ b/pkgs/patches-linux-5.15/904-debloat_dma_buf.patch
@@ -0,0 +1,92 @@
+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
+@@ -187,7 +187,7 @@ config SOC_BUS
+ source "drivers/base/regmap/Kconfig"
+
+ config DMA_SHARED_BUFFER
+- bool
++ tristate
+ default n
+ select IRQ_WORK
+ help
+--- a/drivers/dma-buf/heaps/Makefile
++++ b/drivers/dma-buf/heaps/Makefile
+@@ -1,3 +1,3 @@
+ # SPDX-License-Identifier: GPL-2.0
+-obj-$(CONFIG_DMABUF_HEAPS_SYSTEM) += system_heap.o
+-obj-$(CONFIG_DMABUF_HEAPS_CMA) += cma_heap.o
++dma-buf-objs-$(CONFIG_DMABUF_HEAPS_SYSTEM) += system_heap.o
++dma-buf-objs-$(CONFIG_DMABUF_HEAPS_CMA) += cma_heap.o
+--- a/drivers/dma-buf/Makefile
++++ b/drivers/dma-buf/Makefile
+@@ -1,16 +1,20 @@
+ # SPDX-License-Identifier: GPL-2.0-only
+-obj-y := dma-buf.o dma-fence.o dma-fence-array.o dma-fence-chain.o \
++obj-$(CONFIG_DMA_SHARED_BUFFER) := dma-shared-buffer.o
++
++dma-buf-objs-y := dma-buf.o dma-fence.o dma-fence-array.o dma-fence-chain.o \
+ dma-resv.o seqno-fence.o
+-obj-$(CONFIG_DMABUF_HEAPS) += dma-heap.o
+-obj-$(CONFIG_DMABUF_HEAPS) += heaps/
+-obj-$(CONFIG_SYNC_FILE) += sync_file.o
+-obj-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o
+-obj-$(CONFIG_UDMABUF) += udmabuf.o
+-obj-$(CONFIG_DMABUF_SYSFS_STATS) += dma-buf-sysfs-stats.o
++dma-buf-objs-$(CONFIG_DMABUF_HEAPS) += dma-heap.o
++obj-$(CONFIG_DMABUF_HEAPS) += heaps/
++dma-buf-objs-$(CONFIG_SYNC_FILE) += sync_file.o
++dma-buf-objs-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o
++dma-buf-objs-$(CONFIG_UDMABUF) += udmabuf.o
++dma-buf-objs-$(CONFIG_DMABUF_SYSFS_STATS) += udmabuf.o
+
+ dmabuf_selftests-y := \
+ selftest.o \
+ st-dma-fence.o \
+ st-dma-fence-chain.o
+
+-obj-$(CONFIG_DMABUF_SELFTESTS) += dmabuf_selftests.o
++dma-buf-objs-$(CONFIG_DMABUF_SELFTESTS) += dmabuf_selftests.o
++
++dma-shared-buffer-objs := $(dma-buf-objs-y)
+--- a/drivers/dma-buf/dma-buf.c
++++ b/drivers/dma-buf/dma-buf.c
+@@ -1513,4 +1513,5 @@ static void __exit dma_buf_deinit(void)
+ kern_unmount(dma_buf_mnt);
+ dma_buf_uninit_sysfs_statistics();
+ }
+-__exitcall(dma_buf_deinit);
++module_exit(dma_buf_deinit);
++MODULE_LICENSE("GPL");
+--- a/kernel/sched/core.c
++++ b/kernel/sched/core.c
+@@ -4184,6 +4184,7 @@ 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.
+--- a/fs/d_path.c
++++ b/fs/d_path.c
+@@ -316,6 +316,7 @@ char *dynamic_dname(struct dentry *dentr
+ buffer += buflen - sz;
+ return memcpy(buffer, temp, sz);
+ }
++EXPORT_SYMBOL_GPL(dynamic_dname);
+
+ char *simple_dname(struct dentry *dentry, char *buffer, int buflen)
+ {