android-enable-building-binder-as-module.patch

--- a/drivers/android/Kconfig~	2025-11-30 23:42:10.000000000 +0100
+++ b/drivers/android/Kconfig	2025-12-03 18:43:47.909352635 +0100
@@ -2,7 +2,7 @@
 menu "Android"
 
 config ANDROID_BINDER_IPC
-	bool "Android Binder IPC Driver"
+	tristate "Android Binder IPC Driver"
 	depends on MMU
 	depends on NET
 	default n
--- a/drivers/android/Makefile~	2025-11-30 23:42:10.000000000 +0100
+++ b/drivers/android/Makefile	2025-12-03 18:48:33.118536606 +0100
@@ -1,7 +1,8 @@
 # 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 binder_netlink.o
-obj-$(CONFIG_ANDROID_BINDER_ALLOC_KUNIT_TEST)	+= tests/
-obj-$(CONFIG_ANDROID_BINDER_IPC_RUST)	+= binder/
+obj-$(CONFIG_ANDROID_BINDER_IPC)       += binder_linux.o
+binder_linux-y := binder.o binder_alloc.o binder_netlink.o
+binder_linux-$(CONFIG_ANDROID_BINDERFS)        += binderfs.o
+binder_linux-$(CONFIG_ANDROID_BINDER_ALLOC_KUNIT_TEST) += tests/
+binder_linux-$(CONFIG_ANDROID_BINDER_IPC_RUST)   += binder/
--- 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...) \
--- a/fs/file.c
+++ b/fs/file.c
@@ -813,6 +813,7 @@ struct file *file_close_fd(unsigned
 
 	return file;
 }
+EXPORT_SYMBOL_GPL(file_close_fd);
 
 void do_close_on_exec(struct files_struct *files)
 {
--- a/kernel/sched/syscalls.c
+++ b/kernel/sched/syscalls.c
@@ -7052,6 +7052,7 @@ static bool is_nice_reduction(const stru
 
 	return (nice_rlim <= task_rlimit(p, RLIMIT_NICE));
 }
+EXPORT_SYMBOL_GPL(can_nice);
 
 /*
  * can_nice - check if a task can reduce its nice value
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
@@ -73,6 +73,7 @@ int task_work_add(struct task_struct *ta
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(task_work_add);
 
 /**
  * task_work_cancel_match - cancel a pending work added by task_work_add()
--- a/security/security.c
+++ b/security/security.c
@@ -798,6 +798,7 @@ int security_binder_set_context_mgr(cons
 {
 	return call_int_hook(binder_set_context_mgr, mgr);
 }
+EXPORT_SYMBOL_GPL(security_binder_set_context_mgr);
 
 /**
  * security_binder_transaction() - Check if a binder transaction is allowed
@@ -813,6 +814,7 @@ int security_binder_transaction(const st
 {
 	return call_int_hook(binder_transaction, from, to);
 }
+EXPORT_SYMBOL_GPL(security_binder_transaction);
 
 /**
  * security_binder_transfer_binder() - Check if a binder transfer is allowed
@@ -828,6 +830,7 @@ int security_binder_transfer_binder(cons
 {
 	return call_int_hook(binder_transfer_binder, from, to);
 }
+EXPORT_SYMBOL_GPL(security_binder_transfer_binder);
 
 /**
  * security_binder_transfer_file() - Check if a binder file xfer is allowed
@@ -844,6 +847,7 @@ int security_binder_transfer_file(const
 {
 	return call_int_hook(binder_transfer_file, from, to, file);
 }
+EXPORT_SYMBOL_GPL(security_binder_transfer_file);
 
 /**
  * security_ptrace_access_check() - Check if tracing is allowed
--- a/ipc/namespace.c~	2025-11-30 23:42:10.000000000 +0100
+++ b8/ipc/namespace.c	2025-12-03 18:49:49.032978968 +0100
@@ -208,6 +208,7 @@ void put_ipc_ns(struct ipc_namespace *ns
 			schedule_work(&free_ipc_work);
 	}
 }
+EXPORT_SYMBOL_GPL(put_ipc_ns);
 
 static struct ns_common *ipcns_get(struct task_struct *task)
 {
--- a/kernel/sched/wait.c~	2022-12-11 23:15:18.000000000 +0100
+++ b/kernel/sched/wait.c	2022-12-29 16:11:51.746470281 +0100
@@ -243,6 +243,7 @@
 	/* POLLFREE must have cleared the queue. */
 	WARN_ON_ONCE(waitqueue_active(wq_head));
 }
+EXPORT_SYMBOL_GPL(__wake_up_pollfree);
 
 /*
  * Note: we use "set_current_state()" _after_ the wait-queue add,
--- a/ipc/msgutil.c~	2025-11-30 23:42:10.000000000 +0100
+++ b/ipc/msgutil.c	2025-12-03 18:50:45.802371237 +0100
@@ -30,6 +30,7 @@ struct ipc_namespace init_ipc_ns = {
 	.ns = NS_COMMON_INIT(init_ipc_ns),
 	.user_ns = &init_user_ns,
 };
+EXPORT_SYMBOL_GPL(init_ipc_ns);
 
 struct msg_msgseg {
 	struct msg_msgseg *next;
--- linux-6.3/mm/memory.c.orig	2023-04-23 21:02:52.000000000 +0200
+++ linux-6.3/mm/memory.c	2023-04-26 10:57:23.873394940 +0200
@@ -2050,6 +2050,7 @@ void zap_page_range_single(struct vm_are
 	zap_vma_range_batched(&tlb, vma, address, size, NULL);
 	tlb_finish_mmu(&tlb);
 }
+EXPORT_SYMBOL_GPL(zap_vma_range);
 
 /**
  * zap_special_vma_range - zap all page table entries in a special vma range
--- linux-6.14/mm/list_lru.c.orig	2025-03-24 15:02:41.000000000 +0100
+++ linux-6.14/mm/list_lru.c	2025-04-04 15:00:26.574714908 +0200
@@ -273,6 +273,7 @@
 	list_lru_unlock(l);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(list_lru_del);
 
 bool list_lru_del_obj(struct list_lru *lru, struct list_head *item)
 {
--- linux-6.16/mm/mmap_lock.c~	2025-07-27 23:26:38.000000000 +0200
+++ linux-6.16/mm/mmap_lock.c	2025-07-31 17:46:12.853651399 +0200
@@ -178,6 +178,7 @@ inval:
 	count_vm_vma_lock_event(VMA_LOCK_ABORT);
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(lock_vma_under_rcu);
 
 static struct vm_area_struct *lock_next_vma_under_mmap_lock(struct mm_struct *mm,
 							    struct vma_iterator *vmi,

--- a/drivers/android/binder.c~	2025-11-30 23:42:10.000000000 +0100
+++ b/drivers/android/binder.c	2025-12-03 19:11:49.969621371 +0100
@@ -78,6 +78,9 @@
 #include "binder_internal.h"
 #include "binder_trace.h"
 
+MODULE_DESCRIPTION("Android Binder");
+MODULE_LICENSE("GPL");
+
 static HLIST_HEAD(binder_deferred_list);
 static DEFINE_MUTEX(binder_deferred_lock);