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| author | Thomas Gleixner <tglx@linutronix.de> | 2008-02-27 09:39:52 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-02-29 18:55:39 +0100 |
| commit | d67bbacb4b557ece3b41abdcb616354ac0ce00e1 (patch) | |
| tree | 9ce2927bb34e60816675b9460a2ee968bc000d73 | |
| parent | cded932b75ab0a5f9181ee3da34a0a488d1a14fd (diff) | |
| download | linux-d67bbacb4b557ece3b41abdcb616354ac0ce00e1.tar.bz2 | |
x86: restore vsyscall64 prochandler
a recent fix:
commit ce28b9864b853803320c3f1d8de1b81aa4120b14
Author: Thomas Gleixner <tglx@linutronix.de>
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 <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/vsyscall_64.c | 11 |
1 files changed, 10 insertions, 1 deletions
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 }, {} }; |