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authorAl Viro <viro@zeniv.linux.org.uk>2012-08-02 12:53:03 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-09-30 22:21:37 -0400
commit756144f8ea2e4fccbbf1a5644f3e1e889a48f765 (patch)
treeec40b98d02da8e5592b960a665ee67cd60e25b49 /arch/alpha
parenta63c97a000c9c9a03372943a40c3ba8652aa0ccf (diff)
alpha: switch to generic sys_execve()
get rid of sys_execve() wrapper, while we are at it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/alpha')
-rw-r--r--arch/alpha/include/asm/unistd.h1
-rw-r--r--arch/alpha/kernel/entry.S9
-rw-r--r--arch/alpha/kernel/process.c21
3 files changed, 1 insertions, 30 deletions
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index a31a78eac9b..7826e227e4d 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -481,6 +481,7 @@
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_EXECVE
/* "Conditional" syscalls. What we want is
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index ec0da0567ab..61ff145cab6 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -745,15 +745,6 @@ sys_rt_sigreturn:
.end sys_rt_sigreturn
.align 4
- .globl sys_execve
- .ent sys_execve
-sys_execve:
- .prologue 0
- mov $sp, $19
- jmp $31, do_sys_execve
-.end sys_execve
-
- .align 4
.globl alpha_ni_syscall
.ent alpha_ni_syscall
alpha_ni_syscall:
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index d6fde98b74b..14547390919 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -382,27 +382,6 @@ dump_elf_task_fp(elf_fpreg_t *dest, struct task_struct *task)
EXPORT_SYMBOL(dump_elf_task_fp);
/*
- * sys_execve() executes a new program.
- */
-asmlinkage int
-do_sys_execve(const char __user *ufilename,
- const char __user *const __user *argv,
- const char __user *const __user *envp, struct pt_regs *regs)
-{
- int error;
- char *filename;
-
- filename = getname(ufilename);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- goto out;
- error = do_execve(filename, argv, envp, regs);
- putname(filename);
-out:
- return error;
-}
-
-/*
* Return saved PC of a blocked thread. This assumes the frame
* pointer is the 6th saved long on the kernel stack and that the
* saved return address is the first long in the frame. This all