diff options
Diffstat (limited to 'arch/x86/vdso')
-rw-r--r-- | arch/x86/vdso/vdso32-setup.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c index e0feb66a240..348f1341e1c 100644 --- a/arch/x86/vdso/vdso32-setup.c +++ b/arch/x86/vdso/vdso32-setup.c @@ -377,6 +377,39 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int exstack) __initcall(sysenter_setup); +#ifdef CONFIG_SYSCTL +/* Register vsyscall32 into the ABI table */ +#include <linux/sysctl.h> + +static ctl_table abi_table2[] = { + { + .procname = "vsyscall32", + .data = &sysctl_vsyscall32, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec + }, + {} +}; + +static ctl_table abi_root_table2[] = { + { + .ctl_name = CTL_ABI, + .procname = "abi", + .mode = 0555, + .child = abi_table2 + }, + {} +}; + +static __init int ia32_binfmt_init(void) +{ + register_sysctl_table(abi_root_table2); + return 0; +} +__initcall(ia32_binfmt_init); +#endif + #else /* CONFIG_X86_32 */ const char *arch_vma_name(struct vm_area_struct *vma) |