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authorAl Viro <viro@zeniv.linux.org.uk>2012-10-13 17:36:40 -0400
committerGuan Xuetao <gxt@mprc.pku.edu.cn>2012-11-09 17:30:10 +0800
commit60541d778e536455970281de25b2476e01c03aef (patch)
treea733b1d7e61015d52066a0fd2ea5e2e999948d60 /arch/unicore32
parent38e993535edda089a6956bf12a1dde2602649de9 (diff)
downloadlinux-60541d778e536455970281de25b2476e01c03aef.tar.gz
unicore32: switch to generic sys_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-and-Tested-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Diffstat (limited to 'arch/unicore32')
-rw-r--r--arch/unicore32/include/uapi/asm/unistd.h1
-rw-r--r--arch/unicore32/kernel/entry.S5
-rw-r--r--arch/unicore32/kernel/sys.c21
3 files changed, 1 insertions, 26 deletions
diff --git a/arch/unicore32/include/uapi/asm/unistd.h b/arch/unicore32/include/uapi/asm/unistd.h
index 2abcf61c615..d18a3be89b3 100644
--- a/arch/unicore32/include/uapi/asm/unistd.h
+++ b/arch/unicore32/include/uapi/asm/unistd.h
@@ -12,3 +12,4 @@
/* Use the standard ABI for syscalls. */
#include <asm-generic/unistd.h>
+#define __ARCH_WANT_SYS_EXECVE
diff --git a/arch/unicore32/kernel/entry.S b/arch/unicore32/kernel/entry.S
index 32648c99483..7049350c790 100644
--- a/arch/unicore32/kernel/entry.S
+++ b/arch/unicore32/kernel/entry.S
@@ -668,11 +668,6 @@ __cr_alignment:
#endif
.ltorg
-ENTRY(sys_execve)
- add r3, sp, #S_OFF
- b __sys_execve
-ENDPROC(sys_execve)
-
ENTRY(sys_clone)
add ip, sp, #S_OFF
stw ip, [sp+], #4
diff --git a/arch/unicore32/kernel/sys.c b/arch/unicore32/kernel/sys.c
index 8b6e4cc5739..9680134b31f 100644
--- a/arch/unicore32/kernel/sys.c
+++ b/arch/unicore32/kernel/sys.c
@@ -42,27 +42,6 @@ asmlinkage long __sys_clone(unsigned long clone_flags, unsigned long newsp,
parent_tid, child_tid);
}
-/* sys_execve() executes a new program.
- * This is called indirectly via a small wrapper
- */
-asmlinkage long __sys_execve(const char __user *filename,
- const char __user *const __user *argv,
- const char __user *const __user *envp,
- struct pt_regs *regs)
-{
- int error;
- struct filename *fn;
-
- fn = getname(filename);
- error = PTR_ERR(fn);
- if (IS_ERR(fn))
- goto out;
- error = do_execve(fn->name, argv, envp, regs);
- putname(fn);
-out:
- return error;
-}
-
/* Note: used by the compat code even in 64-bit Linux. */
SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags,