arm64: add kernel modules text and rodata replication support (7b2ccab5) · Commits · EulixOS / Software / Kernel

arch/arm64/kernel/module.c

+33 −3

Original line number	Diff line number	Diff line
		@@ -110,7 +110,7 @@ static int __init module_init_limits(void)
		}
		subsys_initcall(module_init_limits);

		void *module_alloc(unsigned long size)
		static void *__module_alloc(unsigned long size, unsigned long vm_flags, int nid)
		{
		void *p = NULL;

		@@ -123,7 +123,7 @@ void *module_alloc(unsigned long size)
		module_direct_base,
		module_direct_base + SZ_128M,
		GFP_KERNEL \| __GFP_NOWARN,
		PAGE_KERNEL, 0, NUMA_NO_NODE,
		PAGE_KERNEL, vm_flags, nid,
		__builtin_return_address(0));
		}

		@@ -132,7 +132,7 @@ void *module_alloc(unsigned long size)
		module_plt_base,
		module_plt_base + SZ_2G,
		GFP_KERNEL \| __GFP_NOWARN,
		PAGE_KERNEL, 0, NUMA_NO_NODE,
		PAGE_KERNEL, vm_flags, nid,
		__builtin_return_address(0));
		}

		@@ -150,6 +150,36 @@ void *module_alloc(unsigned long size)
		return kasan_reset_tag(p);
		}

		#ifdef CONFIG_KERNEL_REPLICATION
		void *module_alloc(unsigned long size)
		{
		return __module_alloc(size, VM_NUMA_SHARED, NUMA_NO_NODE);
		}

		void *module_alloc_replica(unsigned long size)
		{
		return __module_alloc(size, VM_NUMA_SHARED, first_memory_node);
		}

		void module_replicate(void *ptr)
		{
		gfp_t gfp_mask = GFP_KERNEL;

		__vmalloc_node_replicate_range(ptr, gfp_mask,
		PAGE_KERNEL, 0);
		}
		#else
		void *module_alloc(unsigned long size)
		{
		return __module_alloc(size, 0, NUMA_NO_NODE);
		}

		void *module_alloc_replica(unsigned long size)
		{
		return module_alloc(size);
		}
		#endif /CONFIG_KERNEL_REPLICATION/

		enum aarch64_reloc_op {
		RELOC_OP_NONE,
		RELOC_OP_ABS,