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authorAl Viro <viro@zeniv.linux.org.uk>2012-10-10 13:11:01 -0400
committerMichal Simek <michal.simek@xilinx.com>2012-11-16 08:45:55 +0100
commit5f6c4ab6ee781c9aace7c8548ad9bd87f5678df7 (patch)
treeff78a2d102a665f148aab661e943caf87570bec5 /arch/microblaze
parent99c59f60fd751876c37fbea01e55606441ac6db4 (diff)
downloadblackbird-op-linux-5f6c4ab6ee781c9aace7c8548ad9bd87f5678df7.tar.gz
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microblaze: switch to generic sys_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/microblaze')
-rw-r--r--arch/microblaze/include/asm/unistd.h1
-rw-r--r--arch/microblaze/kernel/entry-nommu.S4
-rw-r--r--arch/microblaze/kernel/entry.S4
-rw-r--r--arch/microblaze/kernel/sys_microblaze.c18
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)
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