From d67bbacb4b557ece3b41abdcb616354ac0ce00e1 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 27 Feb 2008 09:39:52 +0100 Subject: [PATCH] x86: restore vsyscall64 prochandler a recent fix: commit ce28b9864b853803320c3f1d8de1b81aa4120b14 Author: Thomas Gleixner Date: Wed Feb 20 23:57:30 2008 +0100 x86: fix vsyscall wreckage removed the broken /kernel/vsyscall64 handler completely. This triggers the following debug check: sysctl table check failed: /kernel/vsyscall64 No proc_handler Restore the sane part of the proc handler. Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar --- arch/x86/kernel/vsyscall_64.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index b6be812fac05..edff4c985485 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -222,10 +222,19 @@ long __vsyscall(3) venosys_1(void) } #ifdef CONFIG_SYSCTL + +static int +vsyscall_sysctl_change(ctl_table *ctl, int write, struct file * filp, + void __user *buffer, size_t *lenp, loff_t *ppos) +{ + return proc_dointvec(ctl, write, filp, buffer, lenp, ppos); +} + static ctl_table kernel_table2[] = { { .procname = "vsyscall64", .data = &vsyscall_gtod_data.sysctl_enabled, .maxlen = sizeof(int), - .mode = 0644 }, + .mode = 0644, + .proc_handler = vsyscall_sysctl_change }, {} };