summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/x86/kernel/ldt.c4
-rw-r--r--arch/x86/vdso/vdso32-setup.c8
2 files changed, 1 insertions, 11 deletions
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 3e0ccbffff6b..4ac453114d7e 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -21,8 +21,6 @@
#include <asm/mmu_context.h>
#include <asm/syscalls.h>
-int sysctl_ldt16 = 0;
-
#ifdef CONFIG_SMP
static void flush_ldt(void *current_mm)
{
@@ -237,7 +235,7 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode)
* IRET leaking the high bits of the kernel stack address.
*/
#ifdef CONFIG_X86_64
- if (!ldt_info.seg_32bit && !sysctl_ldt16) {
+ if (!ldt_info.seg_32bit) {
error = -EINVAL;
goto out_unlock;
}
diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
index 51bdc0546733..468d591dde31 100644
--- a/arch/x86/vdso/vdso32-setup.c
+++ b/arch/x86/vdso/vdso32-setup.c
@@ -41,7 +41,6 @@ enum {
#ifdef CONFIG_X86_64
#define vdso_enabled sysctl_vsyscall32
#define arch_setup_additional_pages syscall32_setup_pages
-extern int sysctl_ldt16;
#endif
/*
@@ -389,13 +388,6 @@ static ctl_table abi_table2[] = {
.mode = 0644,
.proc_handler = proc_dointvec
},
- {
- .procname = "ldt16",
- .data = &sysctl_ldt16,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec
- },
{}
};