microblaze: switch to generic sys_execve()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

4 files changed, 1 insertions, 26 deletions

diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h
index 6985e6e9d826..ea7442834294 100644
--- a/arch/microblaze/include/asm/unistd.h
+++ b/arch/microblaze/include/asm/unistd.h
@@ -422,6 +422,7 @@
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGACTION
 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_EXECVE
 
 /*
  * "Conditional" syscalls
diff --git a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S
index 8957c7760c47..673a49c04a02 100644
--- a/arch/microblaze/kernel/entry-nommu.S
+++ b/arch/microblaze/kernel/entry-nommu.S
@@ -567,10 +567,6 @@ sys_clone:
         brid    microblaze_clone
         addk    r7, r1, r0
 
-sys_execve:
-        brid    microblaze_execve
-        addk    r8, r1, r0
-
 sys_rt_sigreturn_wrapper:
         brid    sys_rt_sigreturn
         addk    r5, r1, r0
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index 9aa54def9985..10f360ed82b4 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -489,10 +489,6 @@ C_ENTRY(sys_clone):
         brid    do_fork         /* Do real work (tail-call) */
         add     r8, r0, r0;             /* Arg 3: (unused) */
 
-C_ENTRY(sys_execve):
-        brid    microblaze_execve;      /* Do real work (tail-call).*/
-        addik   r8, r1, 0;              /* add user context as 4th arg */
-
 C_ENTRY(sys_rt_sigreturn_wrapper):
         brid    sys_rt_sigreturn        /* Do real work */
         addik   r5, r1, 0;              /* add user context as 1st arg */
diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c
index b200ee7d1da9..a6a7bae9f5c6 100644
--- a/arch/microblaze/kernel/sys_microblaze.c
+++ b/arch/microblaze/kernel/sys_microblaze.c
@@ -48,24 +48,6 @@ asmlinkage long microblaze_clone(int flags, unsigned long stack,
         return do_fork(flags, stack, regs, 0, NULL, NULL);
 }
 
-asmlinkage long microblaze_execve(const char __user *filenamei,
-                                  const char __user *const __user *argv,
-                                  const char __user *const __user *envp,
-                                  struct pt_regs *regs)
-{
-        int error;
-        struct filename *filename;
-
-        filename = getname(filenamei);
-        error = PTR_ERR(filename);
-        if (IS_ERR(filename))
-                goto out;
-        error = do_execve(filename->name, argv, envp, regs);
-        putname(filename);
-out:
-        return error;
-}
-
 asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
                         unsigned long prot, unsigned long flags,
                         unsigned long fd, off_t pgoff)