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Diffstat (limited to 'arch/mips/kernel/syscall.c')
-rw-r--r--arch/mips/kernel/syscall.c57
1 files changed, 2 insertions, 55 deletions
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 2bd561bc05ae..201cb76b4df9 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -92,7 +92,7 @@ save_static_function(sys_fork);
static int __used noinline
_sys_fork(nabi_no_regargs struct pt_regs regs)
{
- return do_fork(SIGCHLD, regs.regs[29], &regs, 0, NULL, NULL);
+ return do_fork(SIGCHLD, regs.regs[29], 0, NULL, NULL);
}
save_static_function(sys_clone);
@@ -123,32 +123,10 @@ _sys_clone(nabi_no_regargs struct pt_regs regs)
#else
child_tidptr = (int __user *) regs.regs[8];
#endif
- return do_fork(clone_flags, newsp, &regs, 0,
+ return do_fork(clone_flags, newsp, 0,
parent_tidptr, child_tidptr);
}
-/*
- * sys_execve() executes a new program.
- */
-asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs)
-{
- int error;
- struct filename *filename;
-
- filename = getname((const char __user *) (long)regs.regs[4]);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- goto out;
- error = do_execve(filename->name,
- (const char __user *const __user *) (long)regs.regs[5],
- (const char __user *const __user *) (long)regs.regs[6],
- &regs);
- putname(filename);
-
-out:
- return error;
-}
-
SYSCALL_DEFINE1(set_thread_area, unsigned long, addr)
{
struct thread_info *ti = task_thread_info(current);
@@ -313,34 +291,3 @@ asmlinkage void bad_stack(void)
{
do_exit(SIGSEGV);
}
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename,
- const char *const argv[],
- const char *const envp[])
-{
- register unsigned long __a0 asm("$4") = (unsigned long) filename;
- register unsigned long __a1 asm("$5") = (unsigned long) argv;
- register unsigned long __a2 asm("$6") = (unsigned long) envp;
- register unsigned long __a3 asm("$7");
- unsigned long __v0;
-
- __asm__ volatile (" \n"
- " .set noreorder \n"
- " li $2, %5 # __NR_execve \n"
- " syscall \n"
- " move %0, $2 \n"
- " .set reorder \n"
- : "=&r" (__v0), "=r" (__a3)
- : "r" (__a0), "r" (__a1), "r" (__a2), "i" (__NR_execve)
- : "$2", "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24",
- "memory");
-
- if (__a3 == 0)
- return __v0;
-
- return -__v0;
-}