summaryrefslogtreecommitdiffstats
path: root/arch/x86/entry/vsyscall
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/entry/vsyscall')
-rw-r--r--arch/x86/entry/vsyscall/vsyscall_64.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
index 05eebbf9b989..20b3d4a88ee4 100644
--- a/arch/x86/entry/vsyscall/vsyscall_64.c
+++ b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -127,9 +127,7 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
int vsyscall_nr, syscall_nr, tmp;
int prev_sig_on_uaccess_err;
long ret;
-#ifdef CONFIG_SYSCALL_PTREGS
unsigned long orig_dx;
-#endif
/*
* No point in checking CS -- the only way to get here is a user mode
@@ -230,38 +228,22 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
ret = -EFAULT;
switch (vsyscall_nr) {
case 0:
-#ifdef CONFIG_SYSCALL_PTREGS
/* this decodes regs->di and regs->si on its own */
ret = sys_gettimeofday(regs);
-#else
- ret = sys_gettimeofday(
- (struct timeval __user *)regs->di,
- (struct timezone __user *)regs->si);
-#endif /* CONFIG_SYSCALL_PTREGS */
break;
case 1:
-#ifdef CONFIG_SYSCALL_PTREGS
/* this decodes regs->di on its own */
ret = sys_time(regs);
-#else
- ret = sys_time((time_t __user *)regs->di);
-#endif /* CONFIG_SYSCALL_PTREGS */
break;
case 2:
-#ifdef CONFIG_SYSCALL_PTREGS
/* while we could clobber regs->dx, we didn't in the past... */
orig_dx = regs->dx;
regs->dx = 0;
/* this decodes regs->di, regs->si and regs->dx on its own */
ret = sys_getcpu(regs);
regs->dx = orig_dx;
-#else
- ret = sys_getcpu((unsigned __user *)regs->di,
- (unsigned __user *)regs->si,
- NULL);
-#endif /* CONFIG_SYSCALL_PTREGS */
break;
}