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authorH. Peter Anvin <hpa@zytor.com>2011-12-05 22:48:49 -0800
committerH. Peter Anvin <hpa@zytor.com>2011-12-05 22:56:38 -0800
commita074335a370eca6d72f2ec890e4ae22923a2aea4 (patch)
tree8ef61af965df0b69010aa7b936a65d7d42d45a90
parentx86, um: Use the same style generated syscall tables as native (diff)
downloadlinux-dev-a074335a370eca6d72f2ec890e4ae22923a2aea4.tar.xz
linux-dev-a074335a370eca6d72f2ec890e4ae22923a2aea4.zip
x86, um: Mark system call tables readonly
Mark the system call tables readonly, as they already are on native, and the 32-bit UM version was in the previous assembly version. The 32-bit version lost it due to copy and paste from the 64-bit version, which was missing the const. Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Link: http://lkml.kernel.org/r/tip-45db1c6176c8171d9ae6fa6d82e07d115a5950ca@git.kernel.org Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-rw-r--r--arch/x86/um/sys_call_table_32.c2
-rw-r--r--arch/x86/um/sys_call_table_64.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c
index b897fcae6205..0606aa3e92ae 100644
--- a/arch/x86/um/sys_call_table_32.c
+++ b/arch/x86/um/sys_call_table_32.c
@@ -43,7 +43,7 @@ typedef void (*sys_call_ptr_t)(void);
extern void sys_ni_syscall(void);
-sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
+const sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
/*
* Smells like a compiler bug -- it doesn't work
* when the & below is removed.
diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c
index 797a639bcca5..fe626c3ba01b 100644
--- a/arch/x86/um/sys_call_table_64.c
+++ b/arch/x86/um/sys_call_table_64.c
@@ -45,7 +45,7 @@ typedef void (*sys_call_ptr_t)(void);
extern void sys_ni_syscall(void);
-sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
+const sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
/*
* Smells like a compiler bug -- it doesn't work
* when the & below is removed.