From: Jisheng Zhang <jszhang@kernel.org>
Date: Mon, 29 Mar 2021 18:25:51 +0000 (+0800)
Subject: riscv: module: Create module allocations without exec permissions
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=5387054b986e2d0d994b519020d81b8aa64789c5;p=linux.git

riscv: module: Create module allocations without exec permissions

The core code manages the executable permissions of code regions of
modules explicitly, it is not necessary to create the module vmalloc
regions with RWX permissions. Create them with RW- permissions instead.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
---

diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c
index ce153771e5e9b..68a9e3d1fe16a 100644
--- a/arch/riscv/kernel/module.c
+++ b/arch/riscv/kernel/module.c
@@ -412,7 +412,7 @@ void *module_alloc(unsigned long size)
 {
 	return __vmalloc_node_range(size, 1, MODULES_VADDR,
 				    MODULES_END, GFP_KERNEL,
-				    PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE,
+				    PAGE_KERNEL, 0, NUMA_NO_NODE,
 				    __builtin_return_address(0));
 }
 #endif